|

12. gvB‡µv A¨vbvjvBwmm c×wZi †ÿ‡Î bgybv KZ cwigvY

অধ্যায় ০১: ল্যাবরেটরেে রিোপদ cÖ‡qvRb nq?
K 100mg L 90mg
বযবহাে M 30mg N 5mg
13. wd«qb-12 Gi ms‡KZ n‡jv-
1. ‡eviv· Gi ms‡KZ n‡jv- K CFCl3 L CF2Cl2
K Na2B4O7.10H2O L Na2B3O7.10H2O M CF3Cl N C2F2Cl4
M Na2S3O8.10H2O N Na2B4O8.10H2O 14. wb‡¤œ †Kvb †hŠMwU KvP `ªe¨ cwi®‹vi Kivi Rb¨ e¨envi Kiv
2. ‡Kvb cøvw÷‡Ki Møvfm ¯^v¯’¨m¤§Z? nq?
K j¨v‡U· L bvBUªvBj K ‡µvwgK GwmW L mvjwdDwiK GwmW
M wfbvBj N †Udjb M bvBwUªK GwmW N cvi‡K¬vwiK GwmW
3. ‡mwg gvB‡µv GbvjvBwm‡m bgybvi cwigvY _v‡K .... 15. evqy `~lY †iva Ki‡Z M‡elYvMv‡i H2S Gi cwie‡Z© †Kvb
K 1g L 0.01g †hŠM e¨eüZ nq?
M 0.001g N 0.0001g K _v‡qvBDwiqv L _v‡qv A¨vwm‡UvgvBW
4. imvqb cixÿvMv‡i e¨eüZ ey¨‡i‡Ui AvqZb cwigv‡ci M A¨v‡gvwbqv N dmwdb
m~²Zv KZ? 16. cj-eyw½ e¨v‡j‡Ýi mvnv‡h¨ wbfz©jfv‡e cwigvc Kiv hvq-
K 0.05 ml L 0.01ml K 0.01g L 0.1g
M 0.1ml N 1 ml M 0.001g N 0.0001g
5. 0.5M bvBwUªK Gwm‡Wi bgybv †_‡K 100mL 0.1M 17. wc‡c‡Ui †¯‹j ‡Kvb GK‡K `vMvsK…Z _v‡K?
HNO3 `ªeY cÖ¯‘Z Ki‡Z KZ mL cvwb cÖ‡qvRb n‡e? K wjUvi L wK‡jvwgUvi
K 20 L 50 M wgwjwjUvi N wgwjwgUvi
M 80 N 90 18. 100mL 0.1M H2SO4 `ªeY ˆZwi Ki‡Z wK cwigvY
6. Pvi wWwRU e¨v‡jÝ w`‡q me©wb¤œ KZ wgwjMÖvg fi †bIqv H2SO4 cÖ‡qvRb n‡e?
hvq? K 0.098g L 0.98g
K 0.1 L 0.01 M 9.8g N 98g
M 0.001 N 0.0001 19. 250ml †Wwm‡gvjvi `ªe‡Y KZ MÖvg H2SO4 Av‡Q?
7. 250ml 0.1M Na2CO3 `ªeY cÖ¯‘Z Ki‡Z KZ cwigvY K 2.45g L 2.54g
Na2CO3 `iKvi? M 4.9g N 9.8g
K 160g L 2.65g 20. ‡Pv‡Li wbivcËvi Rb¨ j¨ve‡iUwi‡Z Kx ai‡bi Pkgv
M 26.5g N 10.6g e¨envi Kiv nq?
8. wb‡¤œv³ †Kvb c`v_©wU nvucvwb †ivM m„wó K‡i? K wbivc` Pkgv L ivmvqwbK ¯úøvm MMjm
K KOH L NH4OH M mvaviY Pkgv N iwOb Pkgv
M H2SO4 N HNO3 21. Iqvk †evZ‡ji KvP bj `ywU KZ wWwMÖ †Kv‡Y evuKv‡bv _v‡K?
9. j¨ve‡iUwi‡Z A‡cvjvi ˆRe c`v_© cwi®‹vi Ki‡Z †KvbwU K 60 I 120 L 45 I 135
e¨eüZ nq?
M 50 I 130 N 55 I 125
K A¨vj‡Kvnj L †ebwRb 22. j¨ve‡iUwi‡Z Kv‡Pi hš¿cvwZ cwi®‹vi Kivi ci wb‡Pi †Kvb
M cvwb N wg_vbj †hŠMwU Øviv wic Ki‡Z nq?
10. 10.6 MÖvg Na2CO3 cwigv‡ci Rb¨ wb‡Pi †Kvb hš¿wU K ‡cÖvcvbj L †cÖvcvb¨vj
e¨envi Kiv nq?
M †cÖvcv‡bvb N †cÖvcvbwqK GwmW
K wc‡cU L ey‡iU 23. eZ©gvb we‡k¦i eR¨© cwiZ¨v‡Mi me‡P‡q ¸iæZ¡c~Y© welq
M cj eyw½ e¨v‡jÝ N AvqZbwgwZK d¬v¯‹ n‡jv-
11. ‡cv‡m©wjb evwU‡Z m‡ev©”P KZ wWwMÖ †mjwmqvm ZvcgvÎv K wimvB‡Kwjs
†Zvjv hvq?
L cywo‡q †djv
K 1700C L 1500C
M mywbw`©ó RvqMvq msiÿY
M 1000C N 500C
N mvaviYfv‡e †Wª‡b †djv
 |

24. 0.1 †gvjvi Na2CO3 Gi Rjxq `ªe‡Y KZ MÖvg Na2CO3 K ‡µvwgK GwmW L Ca nvB‡cv‡K¬vivBU
`ªexf~Z Av‡Q? M †divm ‡K¬vivBW N Na bvBUªvBU
K 10.6 L 1.06 37. GwmW e„wói Rb¨ `vqx †KvbwU?
M 10.5 N 0.106 K NH3 L CH4
25. eyb‡mb `xc wkLvi `xwßgvb wkLv‡K wK e‡j? M SO2 N CO
K RviY wkLv L weRviY wkLv 38. ‡KvbwU DØvqx?
M wiW· wkLv N AwMœ wkLv K C6H6 L NaCl
26. wbLyuZfv‡e †Kvb Zij cwigv‡ci Rb¨ wb‡Pi †KvbwU e¨eüZ M PbCl2 N MgCl2
nq? 39. ievU© eyb‡m‡bi `x‡c KqwU Ask Av‡Q?
K exKvi L KwbK¨vj d¬v¯‹ K1 L2
M gvcb †PvO N wc‡cU M3 N4
+
27. F Gi Zwor FYvZ¥KZv KZ? 40. wkLv cixÿvq K †Kvb eY© aviY K‡i?
K4 L3 K ‡e¸wY L jvj
M 2.8 N 2.5 M njy` N †mvbvjx njy`
28. eR¨© ivmvqwbK c`v‡_©i Rb¨ †Kvb ai‡bi Kb‡UBbvi e¨envi 41. 4-wWwRU e¨v‡j‡Ýi m~²Zv KZ?
Ki‡Z nq? K 0.01 L 0.001
K Kv‡Pi L Kv‡Vi M 0.0001 N 0.00001
M †jvnvi N gvwUi 42. wdwRI‡_ivwc‡Z e¨envi Kiv nq-
29. ‡Kv‡bv wbw`©ó AvqZ‡bi `ªeY‡K GKcvÎ †_‡K Ab¨cv‡Î K IR iwk¥ L UV iwk¥
mwVKfv‡e ¯’vbvšÍi Kiv hvq wb‡Pi †KvbwU Øviv? M X-ray N  iwk¥
K wc‡cU L ey¨‡iU 43. ivmvqwbK `ªe¨vw` †h cv‡Î ivLv nq †m cv‡Îi Mv‡q †j‡ewjs
M †U÷wUDe N weKvi Kiv nq †Kb?
30. ‡Kvb M¨vmwU gvby‡li g„Zz¨ NUv‡Z mÿg? K `ªe¨wUi cwiPq Rvbvi Rb¨ L `ªe¨wUi fi Rvbvi Rb¨
K O2 L N2 M `ªe¨wUi AvqZb Rvbvi Rb¨ N `ªe¨wUi `ªve¨Zv Rvbvi
M C2H5OH N HCN Rb¨
31. ‡KvbwU `vn¨ c`v_©? 44. gv‡µv GbvjvBwUK c×wZ‡Z †h ivmvqwbK c`v_© e¨eüZ nq
K CH3CH2OH L CHCl3 Zvi fi I AvqZb KZ?
M NH3 N C6H6 K 50mg 1 mL L 5mg 0.1mL
32. ‡µvwgK GwmW †KvbwU? M 1g 10mL N 0.5mg 1 mL
K Mvp K2Cr2O7 I H2SO4 Gi `ªeY 45. welv³ †K¬v‡ivdig Gi cwie‡Z© †KvbwU e¨envi DËg?
L K2Cr2O7 I Mvp H2SO4 `ªeY K C6H14 L C6H12
M K2Cr2O7 I jNy H2SO4 Gi `ªeY M C5H12 N C5H10
N Na2Cr2O7 I Mvp H2SO4 Gi `ªeY 46. ey¨‡iU cwi®‹vi Kivi †ÿ‡Î †KvbwU e¨eüZ nq?
33. m‡›`nfvRb K¨vÝvi m„wóKvix c`v_© †KvbwU? K HNO3 L K2Cr2O7+H2SO4
K K2Cr2O7 L CrO2Cl2 M N2SO4 N HCl
M Na2Cr2O7 N HClO4 47. j¨ve‡iUwi‡Z e¨eüZ toxic Dcv`vb †KvbwU?
34. GHS Gi c~Y©iƒc- K ‡ebwRb L B_vbj
K Global Health System M †mvwWqvg †K¬vivBW N †divm mvj‡dU
L Globalised Health Security 48. wb‡¤œi †Kvb ivmvqwbK Dcv`vbwU K¨vÝvi m„wói Rb¨ `vqx?
M Global Harmonised System K SO2 M¨vm L bvB‡UªvwMømvwib
N Global Haritage Security M A¨vm‡e÷m N †jW
35. ‡Kvgj Møvm‡K Kx e‡j? 49. A‡cvjvi ˆRe †hŠM cwi®‹vi Ki‡Z e¨envi Kiv nq-
K wd¬›U KvP L cvB‡i· KvP K A¨vj‡Kvnj L †ebwRb
M wKg¨v· KvP N IqvP KvP M cvwb N B_vbj
36. ‡KvbwU RviY Zij c`v_©? 50. ey¨‡iU †_‡K KZ AvqZb ch©šÍ mwVK cwigvc Kiv hvq?
 |

K .1 cm3 L .01 cm3 63. we‡ùviK c`v_© †KvbwU?

M 1 cm3 N .001 cm3 K KCN L cviA·vBW
51. wb‡¤œi †KvbwU nvucvbx m„wó K‡i? M Wvqv‡Rvwbqvg jeY N P2O5
K KOH L NaOH 64. wb‡Pi †Kvb c`v_©‡K eyb‡mb `xc wkLvq mivmwi Zvc †`qv
M NH4OH N Al(OH)3 hvq bv?
52. wb‡¤œi †KvbwU weRviK c`v_©? K ‡ebwRb L cvwb
K H2SO4 L HNO3 M B_vbj N †K¬v‡ivdig
M K2Cr2O7 N LiAlH4 65. wb‡¤œi †Kvb ivmvqwbK `ªe¨ RwÛm/wjfvi wm‡ivwm‡mi Rb¨
3
53. 200cm `ªeY 10.6g Na2CO3 `ªe¨ `ªexf~Z _vK‡j `vqx?
`ªe‡Yi †gvjvwiwU n‡e- K NaOH/KOH L HCl/H2SO4
K 0.05M L 0.5M M n¨v‡jv‡Rbhy³ †hŠM N Na/NaH
M 0.1M N 0.01M 66. n¨v‡jv‡Rbhy³ †hŠ‡Mi ÿwZ wb‡`©kK mZK©xKiY wPý
54. Aby¾¡j wkLvq KqwU †Rvb Av‡Q? †KvbwU?
K1 L2
M3 N4 K L
55. e¨envwiK †ÿ‡Î CCl4 welv³ weavq Gi cwie‡Z© †KvbwU
e¨envi Kiv DËg? M N
67. ey¨‡i‡Ui ÷cK‡K©i ˆZjv³ c`v_© cwi®‹vi Ki‡Z Kx
K UjyBb L †n‡·b
cÖ‡qvRb nq?
M weDUvbj N K2CO3
K A¨vj‡Kvnj L cvwb
56. we‡ùviK c`v_© †KvbwU?
M jNy HCl `ªeY N †µvwgK GwmW wgkÖY
K cviA·vBW L Wvqv‡Rvwbqvg jeY
68. cj-eyw½ e¨v‡j‡Ýi m~²-cwigv‡ci ÿgZv KZ ch©šÍ?
M KCN N P2O5
K 0.1g L 0.01g
57. bxj KvP ˆZwi‡Z e¨eüZ nq-
M 0.003g N 0.00004g
K NiO L Fe2O3
69. 0.1M HCl `ªeY ˆZwi‡Z Mvp HCl GwmW cwigv‡ci Rb¨
M MnO2 N CoO †Zvgvi e¨envi Ki‡Z n‡e-
58. ‡KvbwU †cÖvwUqvg?
1 2
K AvqZwbK d¬v¯‹ L wc‡cU
K 1H L 1H M gvcb wmwjÛvi N Iqvk †evZj
M Pr N Po 70. ‡MvjZjx d¬v‡· HCl M¨vm ˆZwi‡Z d¬v·wU‡K DËß Kivi
59. 2-wWwRU e¨v‡jÝ me©wb¤œ KZ ch©šÍ cwigvc Kiv hvq? †ÿ‡Î †KvbwU cÖ‡qvRb n‡e bv?
K 1 MÖv‡gi 10000 fv‡Mi GK fvM K ZviRvwj L K¬¨v¤ú, wis ÷¨vÛ
L 1 MÖv‡gi 1000 fv‡Mi GK fvM M evbv©i N A¨vm‡e÷m
M 1 MÖv‡gi 100 fv‡Mi GK fvM 71. GKwU Zij e¯‘i †h †Kvb AvqZ‡b mwVKfv‡e cwigv‡ci
N 1 fv‡Mi 10 fv‡Mi GK fvM Rb¨ wb‡Pi †Kvb hš¿wU e¨envi Kiv DwPr n‡e?
60. wbLyuZfv‡e †h‡Kv‡bv cwigvY Zi‡ji AvqZb gvcvi Rb¨ K ey‡iU L wc‡cU
wb‡Pi †Kvb hš¿wU e¨envi Kiv nq? M `vMvvw¼Z I AvqZbwgwZK d¬v¯‹
K weKvi L KwbK¨vj d¬v· N `vMvw¼Z wc‡cU
M ‡gRvwis wmwjÛvi N ey¨‡iU 72. Møvm †_‡K me ai‡bi gqjv `~i Kivi Rb¨ me‡P‡q mwµq
61. eZ©gv‡b Iqvk †evZj wn‡m‡e ‡KvbwU e¨envi Kiv n‡”Q? e¯‘ †KvbwU?
K ‡jvnvi †evZi L cøvw÷‡Ki †evZj K HCl(aq)
M gvwUi †evZj N w÷‡ji †evZj L HF(aq)
M HNO3(aq)
62. UvB‡Uªk‡bi mgq `ªeY‡K cvÎ n‡Z KwbK¨vj d¬v‡¯‹ wb‡Z N K2CrO7(aq) wgwkÖZ H2SO4(aq)
e¨eüZ nq- 73. UvB‡Uªkb Ki‡Z e¨eüZ nq-
K ‡gRvwis wmwjÛvi L ey¨‡iU K ‡MvjZwj d¬v¯‹ L P¨vÞvZjx d¬v¯‹
M wc‡cU N Wªcvi M kxZK N KwbK¨vj d¬v¯‹
 |

74. gvwUi pH - K K2Cr2O7 + HSO4 L K2Cr2O7 + K2SO4

K 7.0 -8.0 L 13.0-14.0 M K2Cr2O7 + H2SO4 N Cr2(SO4)3 + HCl
M 2.0-3.0 N 5.0-6.0 86. wb‡Pi †Kvb `ªveKhy³ Møvm mvgMÖx ‡aŠZKi‡Y wdDg ûW
75. ‡cv‡m©wjb evwU‡Z m‡ev©”P KZ wWwMÖ †mw›U‡MÖW ch©šÍ Zvc e¨eüZ nq?
†`qv hvq? K ‡n‡·b L jNy HCl
K 1700 L 1500 M Mvp H2SO4 N jNy H2SO4
M 1000 N 500 87. `ªæZ ﮋKi‡Yi Rb¨ wb‡Pi †Kvb †hŠMwU e¨eüZ nq?
76. Mvp GwmW wb‡q KvR Kivi mgq wb‡Pi †Kvb wbivcËv mvgMÖx K A¨vwm‡Uvb L †K¬v‡ivdg©
e¨envi Kiv Riæix? M †n‡·b N †eb‡RvwqK GwmW
K n¨vÛ Møvfm L gv¯‹ 88. gvB‡µvI‡f‡b KvuPcv·K KZ C ZvcgvÎvq ïKv‡bv nq?
M A¨v‡cÖvb N wbivc` KvP K 100-118C L 100-110C
77. 5g Na2CO3 cwigv‡ci Rb¨ wb‡Pi †Kvb hš¿wU e¨envi M 70-90C N 95-98C
Kiv nq? 89. cwigvYMZ we‡køl‡Y wb‡Pi †Kvb hš¿wU e¨eüZ nq?
K wc‡cU L ey¨‡iU K eys‡M e¨v‡jÝ L wWwRUvj e¨v‡jÝ
M cj eyw½ e¨v‡jÝ N AvqZbwgwZK d¬v¯‹ M m¨v‡Uv©wiqvj e¨v‡jÝ N ‡gRvwis wmwjÛvi
78. 250ml, 350ml cvwZZ cvwb †g‡c `ywU †MvjZjx d¬v‡¯‹ 90. wb‡Pi †KvbwU †m‡KÛvix ÷¨vÛvW© c`v_©?
ivLv `ªe‡Y †hvM Ki‡Z wb‡Pi †Kvb DcKiYwU e¨envi K K2Cr2O7 L Na2CO3
Ki‡e? M H2C2O4 N HCl
K wc‡cU L ey¨‡iU 91. cÖvBgvix ÷¨vÛvW© c`v‡_©i fi cwigv‡c †Kvb hš¿wU
M †gRvwis wmwjÛvi N exKvi Dc‡hvMx?
79. j¨ve‡iUwi‡Z KvR Kivi mgq †eªvwgb Øviv nvZ cyo‡j wb‡Pi K 2-wWwRUj e¨v‡jÝ L eys‡M e¨v‡jÝ
†KvbwU e¨envi Kiv DwPr? M 4-wWwRU e¨v‡jÝ N m¨v‡U©vwiqvj e¨v‡jÝ
K `ye©j NH4OH ÿvi L wMømvwib 92. 200mL `ªe‡Y Na2CO3 Gi fi KZ? hLb NbgvÎv 2M?
M LyeB `ye©j GwmW N jNy A¨v‡gvwbqv `ªeY K 4.2410–3 kg L 4.14 gm
80. ey¨‡iU I Kwb‡Kj d¬v‡¯‹i g‡a¨ mv`„k¨ †Kv_vq? M 3.21 gm N 2.41 gm
K DfqwU‡Z ivmvqwbK `ª‡e¨i mswgkÖY NUv‡bv nq 93. ‡m‡KÛvix `ªeY cÖ¯‘Z Kivi Rb¨ †KvbwU e¨eüZ nq?
L DfqB `ªeY‡K DËß Ki‡Z e¨eüZ nq K gvcb wmwjÛvi L 2-wWwRU e¨v‡jÝ
M DfqB UvB‡Uªk‡b e¨eüZ nq M 4-wWwRU e¨v‡jÝ N m¨v‡U©wiqvj e¨v‡jÝ
N ey¨‡iU AvqZwbK we‡køl‡Y e¨eüZ n‡jI Kwb‡Kj d¬v¯‹ 94. wb‡Pi wewµqv †_‡K HCl Gi NbgvÎv wnmve Ki?
AvqZwbK we‡køl‡Y e¨eüZ nq bv Ca(OH)2 + 2HCl  CaCl2 + 2H2O, ‡hLv‡b,
81. j¨ve‡iUwi‡Z kix‡ii Z¡K I †cvkvKw`‡K myiÿvi Rb¨ Kx Ca(OH)2 Gi AvqZb 3.110–3L. NbgvÎv .02M,
cwiavb Ki‡Z nq? HCl Gi AvqZb 1.0310–3L.
K G‡cÖvb L gv¯‹ K .03 L .03M
M n¨vÛ Møvf N wbivc` Pkgv M .02 N .01M
82. j¨ve‡iUwi‡Z e¨eüZ ivmvqwbK c`v_© Kxiƒc †ivM m„wó K‡i? 95. wb‡Pi †KvbwU `vn¨ c`v_©?
K K¨vÝvi L h²v K KO2 L N2O
M nvucvbx N Wvqwiqv M Na2O2 N CaO
83. A‰Re bgybv Gi avivevwnK Avw½K we‡kølY wb‡Pi †Kvb 96. c`v‡_©i a‡g©i Rb¨ G‡K †K‡ivwm‡bi wb‡P ivLv nq?
M¨vmwU Drcbœ nq? K weRviY L RviY
K O2 L CO2 M we‡ùviK N `vn¨
M Cl2 N N2O 97. ‡Kvb †hŠMmg~n dzmdz‡m cÖ‡ek Ki‡j i‡³ Aw·‡Rb PjvPj
84. j¨ve‡iUwi‡Z †Kgb †cvkvK cwiavb Kiv DwPZ? n«vm cvq?
K nvdnvZv kvU© L †Xvjv dzjnvZv K A¨vRvBW L cvi·vBW
M wmb‡_wUK Kvc‡oi N KUb ev mywZ Kvc‡oi M I‡RvbvBW N mvqvbvBW
85. wb‡Pi †KvbwU ‡µvwgK GwmW? 98. wb‡Pi wP‡Î †Kvb mZ©KxKiY cÖZxK †`Lv‡bv n‡q‡Q?
 |

অধ্যায় ০২: গুণগত েসায়ি

1. wb‡Pi †Kvb AiweUvjwU Am¤¢e?
K 1s L 2p
M 3f N 4d
K ÿwZKviK L welv³
2. gw¯Í‡®‹i wPwKrmvq †KvbwU e¨eüZ nq?
M D‡ËRK N ÿqKvix
K MRI L X-ray
99. wb‡Pi wP‡Î †Kvb mZ©KxKiY cÖZxK †`Lv‡bv n‡q‡Q? M IR N UV
3. Rf Gi gvb m‡ev©”P KZ n‡Z cv‡i?
K1 L2
M3 N4
4. ‡Kvb †RvowU AvB‡mv‡Uv‡bi D`vniY?
K `vn¨ c`v_© L we‡õviK
2
M †ZRw¯Œq N RviK K
32
S, 1530P
16 L 1H, 42 He
100. AwZwi³ ÿviK‡K cÖkwgZ Kivi Rb¨ †KvbwU e¨eüZ nq? 37
M Cl, 17Cl
35 16 14
N O, 6 C
17 8
K Na2SO4 L KHSO4
5. Rvj UvKv kbv³Ki‡Y wb‡¤œi †KvbwU e¨eüZ nq?
M NaHSO4 N H2SO4
K IR L NMR
M MRI N UV
6. myMwÜ dzj †_‡K wbhv©m †ei Kiv nq †Kvb c×wZ‡Z?
K cvZb L ev®ú cvZb
M DaŸ©cvZb N weaŸsmx cvZb
7. wb‡Pi †Kvb AiweUvj me©wb¤œ kw³ m¤úbœ?
K 3d L 4s
M 4p N 3s
8. cÖæwmqvb eªæ i‡Oi `ªeY nq wb‡¤œi †Kvb †hŠ‡Mi Rb¨?
K KFe[Fe(CN)6] L Fe3[Fe(CN)6]3
M K2[Fe(CN)6] N K3[Fe(CN)6]
9. 150 MÖvg Gi mgcwigvY GKwU `ªe‡Y 50 MÖvg `ªe `ªexf~Z
Av‡Q| †mB `ªeY‡K kxZj Ki‡j hw` 10 MÖvg `ªe Aatwÿß
nq Z‡e †k‡lv³ Ae¯’vq `ªve¨Zv KZ n‡e?
K 10 L 40
M 50 N 100
10. GKB Dckw³ ¯Í‡ii †hme AiweUv‡ji kw³ Awfbœ Zv‡`i‡K
ejv nq
K wW‡Rbv‡iU L bb-wWRvbv‡iU
M Equivalent N Aa©c~Y© AiweUvj
11. wiWevM© aªæ‡Ki gvb KZ?
K 1.097107 m–1 L 1.097107 cm–1
–1
M 1.09710 m 5
N 1097107 m–1
12. A¨v‡gvwbqvi je‡Y †bmjvi weKviK †hvM Ki‡j †KvbwUi
Aat‡ÿc c‡o?
K HgI2 L Hg2I4
M NH2[Hg2I3] N [Cu(NH)4]SO4
13. `„k¨gvb Av‡jvi Zi½‰`N¨© KZ (nm)?
K 200-500 L 300-600
M 400-700 N 500-800
 |

14. ‡K¬vwib cigvYyi AhyM¥ B‡jKUªb Gi †ÿ‡Î †Kvb †Kvqv›Uvg M 3d44s2 N 3d54s0
‡mUwU cÖ‡hvR¨? 27. wg_vbj, †ebwRb Ges UjyB‡bi wgkÖY †_‡K †ebwRb
K n = 2, ℓ = 1, m = 0 L n = 2, ℓ = 1, m = –1 c„_KKv‡j KZ ZvcgvÎvq †ebwR‡bi cvZb ïiæ nq?
M n = 3, ℓ = 1, m = 1 N n = 3, ℓ = 0, m = 0 K 64C L 78.15C
15. cÖ‡Z¨K d AiweUv‡j mev©waK KqwU B‡jKUªb _vK‡Z cv‡i? M 81C N 111C
K2 L5 28. ‡Mvjv‡ci cvcwo †_‡K †MvjvcRj ˆZwii cÖwµqv n‡jv-
M 6. N 10 K cvZb L wid¬v¯‹
16. fi msL¨vi wfbœZvi Kvi‡Y †KvbwU Drcbœ nq? M `ªveK wb¯‹vkb N ev®úcvZb
K AvB‡mv‡Uvc L AvB‡mvevi 29. Rvj UvKv kbv³ Kivi Rb¨ UvKvq hy³ i‡q‡Q?
M AvB‡mv‡Uvb N AvB‡mvgvi K cÖwZcÖfv c`v_© L AbycÖfv c`v_©
17. ‡Kvb `ywU cigvYy ci¯ú‡ii AvB‡mv‡Uvb? M ‡PŠ¤^K c`v_© N †ZRw¯Œq c`v_©
30 32 31
K 14 Si, 16 S L 15 P, 1433S
14 16 1 2 30. ‡e¸wY iwk¥i Zi½ ˆ`N¨© 4100Å n‡j Zi½ msL¨v KZ?
M 7 N, 8 O N 1 H, 1 H K 2.43910–4 cm–1 L 2.439104 cm–1
18. mvaviY B‡jKUªb web¨v‡mi wbq‡gi e¨wZµg †`Lvq wb‡Pi M 2.43910–8 nm–1 N 2.439104 m–1
†Kvb †gŠjwU? 31. s-Dc¯Í‡i KqwU AiweUvj Av‡Q?
K Mn L Br K 1wU L 4wU
M La N As M 7wU N 14wU
19. wb‡Pi †Kvb †mUwU AvB‡mv B‡jKUªb? 32. wb‡¤œi †Kvb wmwi‡Ri eYv©wj `„k¨gvb GjvKvq cvIqv hvq?
K Mg2+, Ne, O2– L Mg2+, Na+, Cl– K jvBg¨vb wmwiR L dvÛ wmwiR
2– +
M O , Ne, K N Al3+, Ne, Cu2+ M evgvi wmwiR N eªv‡KU wmwiR
20. cvwb‡Z A`ªeYxq wKš‘ ÷xg I D×vqx ˆRe †hŠM †Kvb
33. weøwPs cvDWv‡ii ivmvqwbK bvg Kx?
cÖwµqvq we‡kvab Kiv nq-
K K¨vjwmqvg nvB‡cv‡K¬vivBU
K ev®ú cvZb L DaŸ©cvZb
L K¨vjwmqvg †K¬vivBU
M †Kjvmb N cvZb
M K¨vjwmqvg †K¬v‡iv nvB‡cv †K¬vivBU
21. mwbœKU IR(NIR) Gi AvIZv n‡”Q-
N K¨vjwmqvg †K¬v‡iv nvB‡cv †eªvgvBU
K 3000-8000 nm L 750-1400 nm
34. wm³ cixÿvq Na+ Gi eY©?
M 647-700nm N 585-647m.
22. Mv‡Qi cvZ I evKj n‡Z A¨vjKvj‡qW RvZxq Jla wb®‹vkb K mv`v L †mvbvjx njy`
Kiv nq †Kvb c×wZ‡Z? M njy` N jvj
K ev®ú cvZb L `ªveK wb®‹vkb 35. cÖavb †Kvqv›Uvg msL¨v Kx wb‡`©k K‡i?
M DaŸ©cvZb N wb¤œPv‡c cvZb K Kÿc‡_i AvKvi
23. nvB‡Wªv‡Rb eYv©wji c¨v‡ðb wmwi‡Ri †iLv¸wj wb‡Pi †Kvb L Kÿc_ †_‡K Kÿc‡_i `~iZ¡
A‡j cvIqv hvq? M Kÿc‡_i AvK…wZ
K Ae‡jvwnZ L `„k¨gvb N Kÿc‡_i e¨vm
M AwZ‡e¸wb N gvB‡µvI‡qf 36. MRI c×wZ cÖwZwôZ-
24. i³Pvc cÖkg‡b wb‡¤œi †Kvb iwk¥ e¨eüZ nq? K wbDwK¬qvi †PŠ¤^Kxq AbyiYb Gi Dci
K AwZ‡e¸wb L `„k¨gvb L †gwW‡Kj Ae‡jvwnZ _vg©MÖvwdi Dci
M Ae‡jvwnZ N G·‡i M †iwWI wd«Kz‡qÝxi wmMbv‡ji Dci
25. iv`vi‡dv‡W©i Avjdv KYv we”QziY cixÿv wb‡Pi †KvbwU N †PŠ¤^Kxq AbyiYb cÖwZ”Qwei Dci
m¤úK‡K© aviYv †`q? 37. kix‡ii †fZi wUDgvi RvZxq †Kv‡bv wKQzi Dcw¯’wZ kbv³
K cigvYyi L wbDwK¬qv‡mi Kiv nq wK‡mi gva¨‡g?
M B‡jKUª‡bi N wbDUª‡bi K Laser †_ivwc L X-ray †_ivwc
26. Cr Gi †hvRbx ¯Í‡ii B‡jKUªb web¨vm †KvbwU? M IR †_ivwc N MRI †_ivwc
K 3d54s1 L 3d64s0 38. MRI Gi †Kvb wbDwK¬qvmwU mPivPi e¨eüZ nq?
 |

KH LF 52. ‡KvbwU wPwKrmvkv‡¯¿ eZ©gvb eûj e¨eüZ?

MP NC K MRI L X-ray
39.
24
12 Mg 2 Gi kw³¯Í‡i B‡jKUªb KqwU? M †µv‡gv‡UvMÖvdx N IR
53. wb‡¤œi †Kvb eY©vjx †iLv `„k¨gvb A‡j †`Lv hvq-
K 12 L 24 M 10 N 18
40. wkLv cixÿvq wb‡Pi †Kvb Avq‡bi eY© †cvov B‡Ui g‡Zv K wjg¨vb wmwiR L evgvi wmwiR
jvj? M c¨v‡kb wmwiR N dzÛ wmwiR
K Na+ L K– 54. ‡KvbwU `ªve¨Zv bxwZ‡Z mwVK?
M Cu ++
N Ca++ K K sp  S L S = Ksp
41. ‡bmjvi `ªeY I NH3 mn‡hv‡M ev`vwg Aat‡ÿ‡ci ms‡KZ MS= Ks2P N Ksp = S
n‡jv- 55. ‡Kvb KwYKvi ¯’vwqZ¡ me‡P‡q Kg?
K NH4ClHgI2 L HgI2 K B‡jKUªb L †gmb
M Cu2[Fe(CN)6] N NH2[Hg2I3]
M wbDUªb N †cÖvUb
42. ‡ewiqvg wkLv cixÿvq wK eY© †`q?
56. Cr3+ Avq‡b AhyM¥ ev we‡Rvo B‡jKUªb msL¨v KZwU?
K ‡mvbvjx njy` L meyRvf bxj
K 6wU L 5wU
M njy`vf meyR N B‡Ui g‡Zv jvj
M 4wU N 3wU
43. Mo(42) Gi B‡jKUªb web¨vm-
57. nvB‡Wªv‡Rb eYv©wj‡Z cÖvß jvB‡gb wmwiR †Kvb A‡ji?
K –4d25s1 L 4d55s1
K `„k¨gvb L AwZ‡e¸wb
M 4d65s0 N –5s15p6
44. ‡KvbwU i‡³ O2 Gi cwigvY evovq? M Ae‡jvwnZ N `~i Ae‡jvwnZ
K Ae‡jvwnZ iwk¥ L `„k¨gvb Av‡jv 58. myMwÜhy³ dzj n‡Z wbhv©m msMÖn Kiv nq-
M AwZ‡e¸wb iwk¥ N Mvgv iwk¥ K cvZb cÖYvjx L AvswkK cvZb cÖYvjx
45. wkLv cixÿv KLb e¨envi Kiv nq? M ev®úcvZb cÖYvjx N DaŸ©cvZb cÖYvjx
K n¨vjvBW kbv³ Ki‡Z 59. M GKwU cigvYy, hvi cvigvYweK msL¨v 24| †gŠjwUi
Ae¯’vb AvaywbK chv©q mviwY‡Z-
L AavZzi GwmW kbv³ Ki‡Z
K MÖæc-6 chv©q-3q L MÖæc-6 chv©q-4_©
M ARvbv avZe Avqb‡K kbv³ Ki‡Z
M MÖæc-2 chv©q-4_© N MÖæc-1 chv©q-4_©
N ARvbv Gwm‡Wi NbgvÎv wbY©q Ki‡Z
60. ‡KŠwYK fi‡eM welqK gZev` n‡Z cvIqv hvq †KvbwU?
46. ‡K¬vwib M¨v‡mi eY© Kxiƒc?
h h
K bxjvf mv`v L bxjvf meyR K mv  L mv 
2 
M jvj N eY©nxb h nh
47. ‡ivM kbv³Ki‡Y †KvbwU e¨eüZ n‡e? M mc  N mvr 
 2
K ‡µvgv‡UvMÖvwd L MRI 61. n = 1 n‡j m = ?
M IR N NMR K0 L1
48. ‡KvbwU cvwb MÖvmx? M 1, 0, 1 N –1, 0, +1
K CaCl2 L MgSO4 62. `„k¨gvb Av‡jvi Zi½ ˆ`N¨© n‡jv-
M CaSO4 N NaCl K 380-780 nm L 500-575 nm
49. Al3+ Avqb kbv³Ki‡Y †Kvb e‡Y©i Aat‡ÿc c‡o? M 780 nm N 380 nm
K nvjKv bxj L Mvp bxj
M ev`vgx N mv`v 63. wb‡¤œi †Kvb c`v_©wUi Kvi‡Y wkLv cixÿvq eY© †`Lv hv‡e?
50. me‡P‡q fvix KYv n‡jv- K HCl GwmW L †eviv·¸wU
K Avjdv L weUv M FeSO4 N H2SO4
M †cÖvUb N wbDUb 64. 3d AiweUv‡ji †ÿ‡Î n Ges Gi gvb †KvbwU?
51. ‡Kvb iwk¥i Zi½ ˆ`N¨© †ewk? K n = 3, ℓ = 1 L n = 3, ℓ = 2
K `„k¨gvb L Ae‡jvwnZ M n = 4, ℓ = 2 N n = 3, ℓ = 3
M Mvgv N gnvRvMwZK
 |

65. avivevwnK MÖæc we‡køl‡Y wb‡Pi †Kvb g~jKwU gp v Gi 79. B‡jKUªbmg~n kw³ wewKiY K‡i 5g kw³¯Í‡i wd‡i Avm‡j
G‡`i †Kvb wmwiR ejv nq?
AšÍfz©³?
K evgvi wmwiR L dzbW wmwiR
K Zn2+ L Fe2+
 M c¨v‡kb wmwiR N c¨v‡ðb wmwiR
M Ca2+ N NH 4 80. weUv iwk¥ Kx?
66. iv`vi‡dvW© ¯^Y©cvZ cixÿvi Rb¨ KZ cyiæ‡Z¡i ¯^Y©cvZ K ‡cÖvU‡bi cÖevn L B‡jKUª‡bi cÖevn
e¨envi K‡i‡Qb? M wnwjqvg wbDwK¬qv‡mi cÖevn N wbDUª‡bi cÖevn
K 0.004 cm L 0.004 m 81. AiweUv‡ji kw³ wbiƒc‡Yi MvwYwZK mgxKiY †KvbwU?
M 0.0004 cm N 0.000004m
2+ K n +1 Lm+1
67. wkLv cixÿvq Ca Avq‡bi eY©-
Ms+1 Nm+n
K Mvp jvj L nvjKv meyR 82. ‡iLv eYv©jx m„wói KviY †KvbwU?
M B‡Ui gZ jvj N †mvbvjx njy` K D‡ËwRZ B‡jKUª‡bi †kvlY
68. ‡µvgv‡UvMÖvwd‡Z KqwU `kv _v‡K? L B‡jKUª‡bi N~Y©b
K1 L2 M3 N4 M D‡ËwRZ B‡jKUª‡bi c~e©eZx kw³¯Í‡i AvMgb
69. BD‡iwbqv‡gi cvigvYweK msL¨v †KvbwU?
N D‡ËwRZ B‡jKUª‡bi cieZx© kw³¯Íi AvMgb
K 82 L 92 M 102 N 112 83. 3p AiweUv‡ji †ejvq n I Gi gvb †KvbwU n‡e?
70. ‡µvgv‡UvMÖvwd c×wZ D™¢veb K‡ib †K?
K n = 2, ℓ = 1 L n = 3, ℓ = 0
K ‡mv‡qU L wMjvW©
M n = 3, ℓ = 1 N n = 3, ℓ = 2
M ncwKbm N GWIqvW© 84. ‡evi gZev` Abyhvqx 3q Aiwe‡Ui †KŠwYK fi‡eM KZ?
71. AiweUvj msL¨v wbY©‡qi m~Î †KvbwU? h 3h
K (2+2) L 2(2+1) K L
2 
M (2+1) N (4+2) 2h 3h
72. bxj e‡Y©i Zi½‰`N¨© 520nm Gi kw³ KZ? M N
 2
K 0.03810–17J L 3.821015J 85. wkLv cixÿvq K Gi eY©-
M 3.810–10J N 3.8810–11J K njy` L KvuPv Av‡c‡ji g‡Zv
73. jvj Av‡jvi Zi½ ˆ`N¨© KZ nm? M B‡Ui g‡Zv jvj N †e¸wb
K 380-424 nm L 500 nm 86. ‡e¸wb iwk¥i Zi½ ˆ`N¨© KZ b¨v‡bvwgUvi?
M 590 nm N 780 nm K 380-424 L 451-500
74. 92 U ‡_‡K  KYv wewKwiZ n‡j Drcbœ nq-
M 576-590 N 648-780
K 80AC L 90Th 87. ‡Kvb †gŠ‡ji GKwU cigvYyi †hvRbx ¯Í‡ii `ywU AiweUv‡ji
M 91Pa N 93Np
B‡jKUªb web¨vm n‡jv .....3d104s1| †gŠjwUi chv©q
75. ‡Kvb AiweUvjwUi kw³ †ewk?
mviwY‡Z Ae¯’vb n‡e †KvbwU?
K 4s L 3p
K 3q chv©q MÖæc IA L 3q chv©q MÖæc IIB
M 4p N 3d
M 4_© chv©q MÖæc IA N 4_© chv©q MÖæc IB
76. CO †hŠ‡Mi m‡ev©”P Absorbance Gi Zi½ msL¨v-
K 3958 cm–1 L 2143 cm–1
88. ‡h‡Kv‡bv Dckw³¯Í‡i m‡ev©”P B‡jKUªb aviY ÿgZv-
M 2885 cm–1 N 2230 cm–1
77. wkLv cixÿvq †mvwWqvg †Kvb eY© aviY K‡i? K 2n2 L (2ℓ+1)
M 2(ℓ+1) N 2(2ℓ+1)
K bxj L jvj
89. ‰Re †hŠ‡Mi c„_KKxiY I we‡kva‡bi c×wZ †KvbwU?
M †mvbvjx njy` N †e¸wb
K Aby‡cÖl cvZb L DaŸ©cvZb
78. ‡evi g‡W‡j e„ËvKvi Kÿc‡_ B‡jKUª‡bi †KŠwYK fi‡eM
M †µvgv‡UvMÖvwd N ivmvqwbK cÖYvwj
KZ?
nh n
90. 2p AiweUv‡ji n Ges Gi gvb KZ?
K mvr  L mvr  K n = 3, ℓ = 1 L n = 2, ℓ = 1
2 2r
nh h M n = 1, ℓ = 2 N n = 2, ℓ = 0
M mvr  N mvr 
2r 2
 |

91. A (`ªve¨Zv 25), B (`ªve¨Zv 62) Ges C (`ªve¨Zv 12) 102. Aat‡ÿc‡bi Rb¨ kZ© †KvbwU?
wewkó 3wU KwVb c`v‡_©i wgkÖY †_‡K Dcv`vb¸‡jv‡K K ki  ks L ks  ki
Kxfv‡e c„_K Kiv hvq? M ks = ki N †KvbwUB bq
K `ªveK wb®‹vkb L †Kjvmb 103. 3d AiweUv‡ji †ejvq n I ℓ Gi gvb †KvbwU n‡e?
M AvswkK †Kjvmb N AvswkK cvZb K n = 3, ℓ = 0 L n = 3, ℓ = 1
92. ‡Kvb `ywU ci¯úi AvB‡mvevi? M n = 2, ℓ = 3 N n = 3, ℓ = 2
K
35
Cl, 1432Si L
204
Pb, 80204Hg 104. cigvYyi e¨vm wb‡Pi †KvbwUi KvQvKvwQ nq?
17 82
14 14 16 14
K 110–10cm L 110–13 cm
M C, 7 N
6 N O, 8 O
8 M 110–8 cm N 110–5 cm
93. `ywU AvB‡mv‡Uv‡ci g‡a¨ Kx †`Lv hvq? 105. we`y¨r Py¤^Kxq wewKi‡Yi mev©waK Zi½‰`N¨© cwimi wb‡Pi
K cvigvYweK msL¨v GKB †KvbwU‡Z?
L cvigvYweK fi msL¨v mgvb K UV-iwk¥ L X-ray
M wbDUªb msL¨v mgvb M Ae‡jvwnZ iwk¥ N †Uwjwfkb Zi½
N chv©q mviwY‡Z GKB Ae¯’vb 106. wnwjqvg cigvYyi eYv©wj wb‡Pi †KvbwUi mv‡_ m`„k n‡e?
94. Cr Gi B‡jKUªb web¨vm †KvbwU? KH L Li+ M He+ N Na
14 12
K 6 C L 8 O
107. ‡Kvb cigvYy †_‡K GKwU B‡jKUªb mwi‡q wb‡j †h Avqb
14
M8 O N †Kvb cwieZ©b bq m„wó nq, Zv n‡jv-
95. `ywU †gŠ‡ji cigvYyi ewnt¯Í‡i B‡jKUªbxq KvVv‡gv ns2np1 K abvZ¥K PvR©hy³ K¨vUvqb
Ges ns2np4 n‡j †Kvb †gŠjwU chv©q mviwYi †Kvb MÖæ‡c L FYvZ¥K PvR©hy³ A¨vbvqb
Aew¯’Z? M FYvZ¥K PvR©hy³ K¨vUvqb
K MÖæc-I, MÖæc-VI L MÖæc-III, MÖæc-VIII N GKK abvZ¥K PvR©hy³ K¨vUvqb
M MÖæc-III, MÖæc-O N MÖæc-I, MÖæc-O 108. cvigvYweK MVb KvVv‡gv Abymv‡i, GKwU cigvbyi †Kvb
96. fvix cvwb Kx? GKwU Aiwe‡Ui B‡jKUªb aviY ÿgZv m‡ev©”P-
K H2O L D2O K wecixZ w¯úbhy³ `ywU
M H2O2 N D”P Nb‡Z¡i LwbR cvwb L 32wU
97. Awa‡kvl‡bi gvÎv Ges mPj `kvq `ªve¨Zv nv‡ii wfbœZv M 2n2 (GLv‡b n = cÖavb †Kvqv›Uvg msL¨v)
_vK‡j †Kvb wgkÖ‡Yi Dcv`vb¸‡jv‡K †Kvb c×wZ‡Z N `ywU
ci¯úi †_‡K c„_K Kiv hvq? 109. GKwU wbi‡cÿ †gŠj Y Gi B‡jKUªb web¨vm nj
K `ªveK wb®‹vkb L †µv‡g‡UvMÖvwd 1s22s22p63s1| Bnv †hvR¨Zv kw³¯Í‡i B‡jKUªb MÖnY ev
M AvswkK †Kjvmb N AvswkK cvZb eR©b K‡i KZ Pv‡R©i Avqb ˆZwi K‡i?
98. gw¯Í‡®‹i wUDgvi wbY©‡q mev©waK e¨eüZ nq †Kvb c×wZ? K –2 L –1
K IR L UV M +1 N +2
M MRI N NIR 110. ‡bmjvi `ªeY I NH3 mn‡hv‡M ev`vwg Aat‡ÿ‡ci ms‡KZ
99. nvB‡Wªv‡Rb eYv©wj n‡”Q- n‡jv-
K wewKiY eYv©wj L †kvlY eYv©wj K NH4Cl.HgI2 L HgI2
M K¤úb eYv©wj N wbDwK¬q †Pi¤^K AbyiY M Cu2[Fe(CN)6] N NH2[Hg2I3]
eY©vwj 111. (n + ℓ) Gi wbqgvbyhvqx cUvwmqv‡gi †kl B‡jKUªbwU
100. Na Gi wkLv cixÿvq KZ Zi½ ˆ`N¨© eYv©wj cvIqv hvq? cÖ‡ek Ki‡e-
K 616nm L 590 nm M 578 nm N K 3d AiweUv‡j L 3s AiweUv‡j
690 nm M 4d AiweUv‡j N 4s AiweUv‡j
101. wb‡Pi †Kvb mgxKiYwU mwVK bq? 112. mvj‡dU Avq‡bi kbv³Ki‡Yi Rb¨ †Kvb weKviKwU e¨eüZ
K 
1
L 
c nq?
  K wmjfvi bvB‡UªU L †ewiqvg bvB‡UªU
M E =   N E   M A¨v‡gvwbqvi A·v‡jU N jNy nvB‡Wªv‡K¬vwiK GwmW
 |

K 6.62610–27 Js–1 L 6.22610–27 kJs–1

113. MRI cÖhyw³ e¨envi K‡i ------ Kiv hvq? M 6.62610–27 kJs–1 N 6.22610–30 kJs–1
K ‡ivM wbY©q L Rvj UvKv kbv³ 124. wb‡Pi †Kvb cigvYy ev Avq‡bi eYv©wji e¨vL¨v ‡evi cigvYy
M Rvj cvm‡cvU© N †ivM Dckg g‡Wj w`‡Z cv‡i bv?
114. GKwU AiweUv‡ji †PŠ¤^Kxq †Kvqv›Uvg msL¨v Øviv cÖKvwkZ K Li+ L He+
2+
nq? M Li NH
K AiweUv‡ji kw³¯Íi L AiweUv‡ji AvK…wZ 125. Kÿc_ wfwËK †Kvqv›Uvg msL¨v KqwU?
M AiweUv‡ji ¯’vwbK Awfweb¨vm N AiweUv‡ji K 4wU L 3wU
B‡jKUªb w¯úb M 2wU N 1wU
115. wb¤œZi kw³¯Íi †_‡K B‡jKUª‡bi D”Pkw³¯Í‡i DcbxZ 126. ‡Kvb cigvYyi L †k‡ji Rb¨ †KŠwYK fi‡eM KZ n‡e?
nIqvi cÖv°v‡j- K mvr 
h
L mv 
h
K kw³ †kvwlZ nq  r
L kw³ wbM©Z nq h h
M mvr  N mv 
M wbiew”Qbœ eYv©wji m„wó nq 2 2
127. -------- g‡Z cigvYy‡Z B‡j±ª‡bi AveZ©‡bi Rb¨ cÖwZwU
N cigvYy AvqwbZ nq
cÖavb kw³¯Íi wbw`©ó msL¨K Dckw³¯Í‡i wef³ _v‡K?
116. B‡jKUªb hLb D”PZi kw³¯Íi †_‡K wb¤œZi kw³¯Í‡i
AebwgZ nq, ZLb- K ‡evi L mgviwdì
K ‰ewkó¨g~jK eYv©wj‡iLvi D™¢e N‡U M iv`vi‡dvW© N †¯ªvwWÄvi
L cigvYy †_‡K Zv‡ci D`MxiY N‡U 128. n = 4, ℓ = 0, 1 n‡j Dckw³¯Íi KqwU?
M B‡jKUªb, wbDUªb KZ…©K AvKwl©Z nq K 4wU L 3wU
N †kvlY eYv©wj †iLvi m„wó nq M 1wU N 2wU
117. wkLv cixÿvq wb‡Pi †Kvb Avqb D¾¡j †mvbvwj njy` e‡Y©i 129. 4f Dckw³¯Í‡i mev©waK KqwU B‡jKUªb _vK‡Z cv‡i?
wkLv ˆZwi K‡i? K 14wU L 7wU
K Na+ L K+ M 3wU N 5wU
M Ca+ N Al3+ 1
130. n = 3, ℓ = 2 Ges s   n‡j 3d Dckw³¯Í‡i B‡j±ªb
118. atom k‡ãi A_© Kx? 2
K wefvR¨ L AwefvR¨ msL¨v KZ?
M e„nr N ÿz`ª K 2wU L 6wU
119. cÖ‡Z¨K cigvYy‡Z FYvZ¥K PvR©wewkó KwYKv we`¨gvb| --- M 1wU N 10wU
†Kvb weÁvbx G wm×v‡šÍ DcwbZ nb? 131. 4_© kw³¯Í‡i Aby‡gvw`Z †gvU Awe©Uvj msL¨v KZ?
K ‡W‡gvwµUvm L iv`vi‡dvW© K 14wU L 16wU
M _gmb N †evi M 7wU N 18wU
120. ÒcigvYy we`y¨r wbi‡cÿÓ †Kvb cigvYy g‡W‡ji ¯^xKvh©? 132. wb‡Pi †Kvb AiweUv‡ji kw³ me‡P‡q Kg?
K ‡evi cigvYy g‡Wj K 4s L 3d
L iv`vi‡dv‡W©i cigvYy g‡Wj M 4d N 5s
133. wb‡Pi †Kvb B‡jKUªb web¨vmwU mwVK?
M †evi-mgviwdì cigvYy g‡Wj
K K(19) - [Ar] 3d1
N _gmb cigvYywWs g‡Wj
L Sc(21) - [Ar] 3d3
121. ‡Kvb cigvYy g‡W‡ji wbDwK¬qv‡mi aviYv †`Iqv n‡q‡Q?
M Y(39) - [Kr] 4d15s2
K Zi½ ejwe`¨v L †evi-cigvYy g‡Wj N Cr (24) - [Ar] 3d44s2
M †evi-mgviwdì N iv`vi‡dvW© 134. s AiweUv‡ji AvK…wZ wKiƒc?
122. ‡Kvb wewKi‡Yi kw³i mv‡_ Zi½‰`‡N¨©i m¤úK© wK? K ‡MvjvKvi L eZz©jvKvi
K e¨¯ÍvbycvwZK L e‡M©i mgvbycvwZK M Wv‡¤^j AvK…wZi N Wvej Wv‡¤^j
M mivmwi mgvbycvwZK N e‡M©i e¨v¯ÍvbycvwZK 135. m = –1 Gi Rb¨ wb‡Pi †Kvb AiweUvjwU cvIqv hvq?
123. cøv¼ aªæe‡Ki gvb KZ?
K d x 2 y2 L d xy
 |

M d zx N d z2 K AwZ‡e¸bx L Aejvj
136. ‡Kvb †gŠ‡ji B‡j±ªb web¨v‡m AvDdevD wbq‡gi e¨wZµg M iÄb N gnvRvMwZK
†`Lv hvq? 149. UV-ray KZ Zi½ ˆ`‡N¨©i eYv©wj wewKib K‡i?
K Cu LY K 200-375 nm L 400-780 nm
M La NV M 175-300 nm N 480-700 nm
150. Zvi‡K †Kvb Gwm‡W w¯‹Z Kiv nq?
137. wb‡Pi †KvbwU me‡P‡q w¯’wZkxj? K jNy HCl L Mvp H2SO4
K np3 L nd4 M Mvp HCl N jNy H2SO4
M nf14 N nd10 151. Ba avZz wkLv cixÿvq wK eY© †`Lvq?
138. `„k¨gvb Av‡jvi Zi½‰`N¨© KZ? K meyR L Av‡cj meyR
K 380-700Å L 3800-7000Å M †mvbvjx njy` N njy`vf meyR
M  380 nm N  700 nm 152. 2+
Cu wkLv cixÿvq wKiƒc eY© cÖ`k©b K‡i?
139. ‡Kvb iwk¥i Zi½‰`N¨© me‡P‡q Kg? K meyR L bxjvf meyR M jvj N njy`
K gnvRvMwZK L Ae‡jvwnZ 153. UV-Ray cÖ‡ÿcY Kivi ci Avmj UvKv AÜKv‡i mwi‡q
M Mvgv N iÄb iwk¥ †Kvb Av‡jvi we”QziY †`Lv hvq?
140. ‡iwWI †Uwjwfkb Zi½-‰`N¨© KZ? K mv`v L jvj M †e¸bx N bxj
K 2.2105 nm L  2.2104 nm 154. gvbe‡`‡n ¯^vfvweK wecvK wµqvi d‡j Drcbœ Zvc wK iwk¥
M  2.2105 nm N 700 nm wn‡m‡e wewKwiZ nq?
141. ‡Kvb iwk¥i wewKiY me‡P‡q kw³kvjx? K Ae‡jvwnZ L AwZ‡e¸Yx
K ‡e¸Yx L AwZ‡e¸Yx M gnvRvMwZK N iÄb
M gnvRvMwZK N Mvgv 155. mvbevb© Gi wPwKrmvq †Kvb iwk¥ cÖ‡ÿc Kiv nq?
142. ‡Kvb MÖæ‡c AvKl©Y ej †ewk `ye©j? K IR L Mvgv M UV N iÄb
K – OH LC=C 156. Mvg Bbd¬v‡gkb I cÖvšÍxq jwmKvi wPwKrmvq †Kvb iwk¥
M – NH2 NKIL e¨eüZ nq?
143. Zwor Pz¤^Kxq eYv©wj‡Z Zwor †ÿÎ I Pz¤^K †ÿ‡Îi ga¨eZ©x K Mvgv L Ae‡jvwnZ
†Kv‡Yi gvb KZ? M X-ray N AwZ‡e¸Yx
K 180 L 90 a b
M 120 N 150 157. CH3   CH2   Cl
144. ℓ = 3 Gi Rb¨ cvigvYweK eYv©wj‡Z KqwU m~² †iLv cvIqv
hv‡e? ‡Kvb ai‡bi H G †iwWI iwk¥ †ewk cwigv‡Y †kvwlZ n‡e?
K 7wU L 9wU Ka Lb
M †kvwlZ n‡e bv N mgfv‡e †kvwlZ n‡e
M 4wU N 3wU
158. ‡cÖvU‡bi kw³ †kvlY I wewKi‡Yi ga¨eZx© mgqKvj‡K wK
145. -------- msiwÿZ nvB‡Wªv‡Rb M¨v‡mi †fZi --------
e‡j?
†fv‡ë‡Ri we`y¨r Pvjbv Ki‡j M¨v‡mi †fZi †Mvjvcx e‡Y©i
Avfv †`Lv hvq? K AbyiYbKvj L e¨wßKvj
K D”PPv‡c, wb¤œ L wb¤œPv‡c, D”P M ¯^w¯ÍKvj N MgbKvj
M D”PPv‡c, D”P N wb¤œPv‡c, wb¤œ 159. ‡PŠ¤^K‡ÿ‡Îi AvKl©‡Y †cÖvU‡bi gyg~ly© jvwU‡gi gZ N~Y©b‡K
wK e‡j?
146. eªv‡KU wmwi‡Ri Rb¨ cÖwZ ‡mw›UwgUv‡i Zi½ msL¨v KZ?
hLb, n2 = 7 K N~Y©b MwZ L †jgi MwZ
K 4616.54 L 461.65 M AveZ©b MwZ N †PŠ¤^Kxq N~Y©b
M 46115 N 416.45 160. 1kg `ªve‡K m‡ev©”P 10gm `ªe `ªexf~Z _vK‡j `ªve¨Zv KZ?
147. ‡Kvb A‡j evgvi wmwi‡Ri DrcwË nq? K3 L1
K AwZ‡e¸Yx L `„k¨gvb M 10 N2
M Ae‡jvwnZ N Mvgv 161. wbw`©ó ZvcgvÎvq AgCl Gi `ªve¨Zv ¸Ydj 6.61010|
148. Rvj UvKv kbv³Ki‡Y †Kvb iwk¥ e¨eüZ nq? hLb, Ag+ Gi NbgvÎv 0.2M Ges Cl– Gi NbgvÎv
 |

0.3M| GKB ZvcgvÎvq Ag+ I Cl– Gi NbgvÎv h_vµ‡g 175. Pz‡bi †Nvjv‡U cvwb Øviv wK‡mi wbwðZKiY cixÿv Kiv nq?
0.1M Ges 0.4M Kiv n‡j wb‡¤œv³ mgxKiY Abymv‡i Gi K CO3
2
L NH 4
`ªve¨Zvi ¸Ydj wnmve Ki|
2
[Ag  ][Cl  ] M Cl– N SO4
K 176. ‡KvbwU A‰Re `ªveK?
[AgCl]
K 3.7310 10
L 7.461010 K HCl L †ebwRb
M 5.61010 N 2.481010 M CS2 N CHCl3
162. wb‡Pi †Kvb †ÿ‡Î mgAvqb cÖfve NU‡e? 177. NaCl Gi †Kjv‡mi AvK…wZ-
K NaCl, KOH L NH4Cl, NH4OH K e¯‘‡Kw›`ªK L cvk¦©‡Kw›`ªK
 M mij NbK N PzZz¯ÍjKxq
M KCl, NaOH N CaCl2, NH 4
178. ‡Kjv‡mi IRb 10gm, Aweï× Lv`¨ je‡Yi IRb
163. MÖæc II Gi †ÿ‡Î avZe mvjdvBW Aat‡ÿc cixÿvq HCl 100gm n‡j †Kjv‡mi Drcv`b gvÎv-
Gi NbgvÎv KZ _v‡K?
K 1gm L 20gm
K 0.03 L 0.02M M 0.03M N M 2 gm N 10gm
0.01M
179. cvZ‡bi †ÿ‡Î `yB Zi‡ji ùzUbv‡¼i e¨eavb KZ n‡Z n‡e?
164. wb‡Pi †Kvb avZe mvjdvBW me‡P‡q c‡i Aatwÿß n‡e?
K 40C Gi Kg L 35C Gi †ewk
K CoS L HgS M CdS N PbS
165. wb‡Pi †KvbwU †cvjvi `ªveK? M 40C Gi †ewk N 35C Gi Kg
180. A¨vwbwj‡bi we‡kvab †Kvb c×wZ‡Z Kiv nq?
K NH3 L CCl4 M HNO3 N SO2
166. MÖæc II Gi mvj‡dUmg~‡ni K¨vUvqb I A¨vbvq‡bi Avavb 2 K ev®úcvZb L AvswkK cvZb
nIqv ‡KvbwU nq? M cvZb N DaŸ©cvZb
K j¨vwUm kw³ Kg L nvB‡Wªkb kw³ †ewk 181. ‡KvbwU DØvqx c`v_© bq?
M nvB‡Wªkb kw³ †gvUvgywU N j¨vwUk kw³ †ewk K Kc~©i L Av‡qvwWb
167. cvwb‡Z `ªve¨Zvi µg wn‡m‡e †KvbwU mwVK? M †eb‡RvwqK GwmW N CaCl2
K Be(OH)2 Ca(OH)2 L MgSO4SrSO4 182. wb‡Pi †KvbwU wbiæ`K?
M BaSO4SrSO4 N Ca(OH)2Mg(OH)2 K CaCl2 L CO2
168. wb‡Pi †Kvb avZzi nvB‡Wªv·vBW cvwb‡Z `ªeYxq bq? M HSO4 N Na2CO3
K NaOH L Fe(OH)2 183. ‡µvgv‡UvMÖvwd cÖwµqvwU KqwU gva¨‡gi mvnv‡h¨ N‡U?
M KOH N CH3 – OH K wZbwU L `yBwU
169. ‡KvbwU `ªexf~Z nIqvi mgq †Zgb Zvc †kvlY K‡i bv? M GKwU N 5wU
K KCl L Na2SO4 184. ‡cvjvwiwUi µg wn‡m‡e †KvbwU mwVK?
M NaCl N KNO3 K NH2  OH L  C = C  Cl
170. Na2SO4 Gi cwie„Ë ZvcgvÎv KZ? M OH  NH2 N NH2  CHO
K 32C L 31C 185. Zij-KwVb †µvgv‡UvMÖvwdi w¯’i `kv †KvbwU?
M 35C N 30C K KwVb L M¨vmxq
171. K4[Fe(CN)6] ‡hŠ‡M Avqi‡bi †hvRbx KZ? M Zij N Aa©Zij
K –2 L +3 M +2 N +4 186. Zij-Zij †µvgv‡UvMÖvwdi w¯’i/mPj `kv †KvbwU?
172. ‡KvbwU cÖæwkqvb eøy? K Zij L KwVb
K KFe[Fe(CN)6](s) L K3Fe[Fe(CN)6] M M¨vmxq N Aa©Zij
M K3[Fe(CN)2] N Fe[Fe(CN)6]
173. ‡KvbwU kbv³Ki‡Y †bmjvi `ªeY e¨eüZ nq?
K NH4Cl L KCl
M Na2SO4 N CaCl2
174. ZnSO4 kbv³Ki‡Y †KvbwU e¨eüZ n‡q _v‡K?
K Be(NO3)2 L KNO3
M Ba(NO3)2 N NH4(NO3)
 |

Aa¨vq 03t ‡gŠ‡ji chv©qe„Ë ag© I M Al3+ N Fe3+

13. P I S Gi A·vBW `ywU cvwbi mv‡_ wewµqvq GwmW Drcbœ
ivmvqwbK eÜb K‡i †KvbwU?
K H3PO3 I H2SO4
1. ‡KvbwU mg‡hvRx †hŠM?
L H3PO4 I H2SO4
K CsCl L FrCl
M BeCl2 N HBr M H3PO4 I H2SO4
2. [Cu(NH3)4]Cl2 ‡hŠMwU‡Z Cu Gi mwbœ‡ek msL¨v KZ? N H3PO2 I H2SO
K3 L4 14. Cl Gi A·vBW NaOH I Ca(OH)2 Gi mv‡_ c„_K
M5 N2 wewµqvq Drcbœ jeY n‡jv-
3. H2S Gi nvB‡Wªv‡Rb eÜb KZ ZvcgvÎvq fv‡½? K NaClO4 I CaClO4
K 4 C L 10 C L Na2ClO4 I CaClO4
M 50 C N 100 C M NaClO4 I Ca(ClO4)2
4. ‡hŠMw¯’Z †gŠj mg~‡ni Zwor FYvZœKZvi cv_©K¨ KZ n‡j N NaClO3 I Ca(ClO3)2
†hŠMwU‡Z †giæ _vK‡e? 15. ‡Kv‡bv †gŠ‡ji cigvYyi †hvR¨Zv B‡jKUªb ns2 np6 n‡j
K 0.5-1.7 L 1-2.1 GwUi MÖæc msL¨v n‡e †KvbwU?
M 2.5-3 N 3.1-3.5 K 8(8A) L 18(8A)
5. H2O I I2 Gi g‡a¨ †Kvb cÖKvi AvšÍtwµqv we`¨vgvb? M 6(6B) N 8(8A)
K WvB‡cvj-Avweó WvB‡cvj 16. wb‡¤œv³ B‡jKUªb web¨v‡mi cigvYyi †KvbwUi cvigvYweK
L Avweó WvB‡cvj-Avweó WvB‡cvj e¨vmv©a me‡P‡q eo n‡e?
M cwjgvi-cwjgvi eÜb K 1s2 2s1 L 1s2 2s2
2 2 1
N cwjgvi-g‡bvgvi eÜb M 1s 2s 2p N 2s2 2p2
6. ‡KvbwU cvwb‡Z A`ªeYxq? 17. wb‡Pi AYy¸‡jvi †KvbwU‡Z eÜb `~iZ¡ me‡P‡q Kg?
K C6H12O6 L C12H22O11 K H2 L N2
M SiO2 N NaCl M O2 N F2
7. ‡dwiK cvi‡K¬v‡iU Gi ms‡KZ †KvbwU? 18. ‡Kvb AiweUvjwU KLbI cvB (  ) eÜb MV‡b Ask †bq bv?
K Fe(ClO4)3 L Fe(ClO3)2
M Fe(ClO3)3 N Fe(Cl2O4)2 K s- AiweUvj L p- AiweUvj
8. ‡Kvb †gŠ‡ji cigvYy †hvR¨Zv¯Í‡i ns2np5 B‡jKUªb web¨vm M d- AiweUvj N f- AiweUvj
_vK‡j H †gŠ‡ji Ae¯’vb chv©q mviwY‡Z †Kv‡bv MÖæ‡c n‡e? 19. POCl3 MVbKv‡j †K›`ªxq cigvYyi †Kvb cÖKvi msKiY
K 15(5A) L 15(5B) N‡U?
M 15(7A) N 2(2A) K sp L sp2
9. PviwU n¨v‡jv‡R‡bi B‡jKUªb Avmw³i gvb (kJ/mol) M sp3 N sp3d
wb¤œiæc; G‡`i g‡a¨ †KvbwUi A¨vbvqb MV‡bi cÖeYZv †ewk 20. B‡jKUªb Avmw³i gvb Cl = –361 kJ mol-1, Br=–340
n‡e? kJ mol-1, I = –380 kJ mol-1 ‡Kvb ‡gŠjwUi FYvZœK
K F (–238) L Br(-325) Avqb MV‡bi cÖeYZv mev©waK?
M Cl(-349) N I(-295) K Br LI
10. wb‡Pi †Kvb Avq‡bi AvKvi me‡P‡q †QvU n‡e? M Cl N Cl Ges Br
K F– L O2– 21. C, H, O, N Ges S Gi Zwor FYvZ¥KZv h_vµ‡g 2.5,
MN 3-
N Na+ 2.1, 3.5, 3.0 Ges 2.5| wb‡Pi †Kvb eÜb me‡P‡q
11. chv©q mviwYi †Kvb MÖæ‡ci †gŠj¸‡jv Zxeª RviK? MÖæ †cvjvi?
K MÖæc-1 L MÖæc-2 K C–H L N–H
M MÖæc-17 N MÖæc-16 M S–H N O–H
12. wb‡Pi †Kvb AvqbwUi A¨vbvqb‡K AwaK †cvjvwiZ Ki‡Z 22. ‡KvbwU‡Z eÜb †KvY me‡P‡q eo?
cvi‡e? K H2O L SO2
K N3- L Mg2+ M NH3 N CH4
 |

23. ei‡di GKwU AYy‡Z KqwU nvB‡Wªv‡Rb eÜb we`¨gvb? M HClO4 N HCl
K1 L2 36. Avgiv †h Pzb †L‡q _vwK Zvi ms‡KZ-
M3 N4 K Na2O LMgO
24. Fe(26) ‡gŠjwU †Kvb eø‡Ki AšÍ©MZ? M CaCO3 N Ca(OH)2
Ks Lp 37. SiO2 Gi Rjxq `ªeY-
Md Nf K Dfagx© L A¤øxq
25. M–2e  M+2 MVb Ki‡j M avZz †KvbwU? M ÿvixq N wbi‡cÿ
K ÿvi avZz L g„rÿvi avZz 38. ‡Kvb †gŠjwUi AvqwbKiY wefe me‡P‡q †ewk?
M Ae¯’všÍi avZz N AavZz KH L Li
26. M+  H  M +e ; GLv‡b  H ‡KvbwU?
+ –
M Na NF
K B‡jKUªb Avmw³ L AvqwbKiY kw³ 39. ‡Kvb MÖæ‡ci †Kv‡bv DcMÖæc †bB?
M Zwor FYvZœK N Zwor abvZœK K VIII L III
27. F Gi B‡jKUªb Avmw³ KZ? M VII N IV
K -333kJ/mol L -348kJ/mol 40. ‡Kvb †kÖYxf~³ †gŠj‡K Pvj‡Kv‡Rb ejv nq?
M -350kJ/mol N -390kJ/mol K IA L IIA
28. Cl Gi B‡jKUªb Avmw³ F ‡_‡K †ewk Gi KviY †KvbwU? M VIA N VIIA
K F Gi cvigvYweK fi 41. wb‡¤œi †Kvb †gŠjwU mvaviY ZvcgvÎvq Zij?
L Cl Gi 2q ¯Í‡ii B‡jKUª‡bi NbZ¡ K ns1 n‡Z ns2 L ns1 n‡Z ns2np5
M F Gi AvKvi M ns2 n‡Z ns2np5 N ns2 n‡Z ns2np6
N Cl Gi AvKvi 42. wb‡¤œi †Kvb †gŠwjK c`v_© mvaviY ZvcgvÎvq Zij?
29. GKwU †gŠ‡ji cvigvYweK msL¨v 35 ‡gŠjwUi Ae¯’vb †Kvb K Rb L Cs
eø‡K? M Cl2 N I2
K s- eøK L p-eøK 43. ‡Kvb †hŠMwU mn‡R cvwb‡Z `ªexf~Z n‡e?
M d- eøK N f- eøK K XCl2 L YCl3
30. A Gi Zwor FYvZœKZv 0.9 Ges B Gi Zwor FYvZœKZv M XF2 N ZCl4
44. OF2 ‡hŠMwU †Kvb agx©?
3.0| †gŠj A Ges B Gi g‡a¨ MwVZ †hŠ‡Mi eÜb Kx
ai‡bi? K cÖkg L A¤øagx©
K AvqwbK L mg‡hvRx M ÿviagx© N Dfqagx©
M mwbœ‡ek N avZe eÜb 45. ‡hŠM¸‡jv‡Z mg‡hvRx ˆewk‡ó¨i mwVK µg †KvbwU?
31. wb‡Pi †Kvb †gŠjwUi A·vBW me‡P‡q ÿvixq? K BeCl2>CaCl2>MgCl2
L BeCl2> MgCl2>CaCl2
K Na L Cs
M MgCl2>CaCl2 > BeCl2
M Mg N Sr
32. wb‡Pi †Kvb †gŠjwUi B‡jKUªb Avmw³ me‡P‡q †ewk? N CaCl2  MgCl2  BeCl2
46. K4[Fe(CN)6]- Gi eÜb n‡jv-
KF L Cl
MO N Br K me¸‡jv AvqwbK
33. wb‡Pi †Kvb †hŠMwUi eÜb †KvY me‡P‡q †ewk? L me¸‡jv mg‡hvRx
K wg‡_b L cvwb M AvqwbK Ges mg‡hvRx
M A¨v‡gvwbqv N Kve©b WvB-A·vBW N AvqwbK, mg‡hvRx Ges mwbœ‡ek mg‡hvRx
34. H2O ‡hŠ‡M H Ges O e܇b we`¨gvb- 47. A¤øagx© A·vBW †KvbwU?
K s-sp msKi AiweUvj K CO L Al2O3
L s-sp2 msKi AiweUvj M pbO2 N B2O3
48. ‡Kvb †hŠMwU odd (we‡Rvo) B‡jKUªb AYy?
M s-sp3 msKi AiweUvj
K CO L CO2
N sp- sp3 msKi AiweUvj
M N2O N NO2
35. Cl2O7 cvwbi mv‡_ wewµqv K‡i ˆZwi K‡i-
49. ‡Kvb ai‡bi †gŠj cÖwZwbwaZ¡Kvix †gŠj ejv nq?
K Cl2 L HOCl
 |

K s I d eøK †gŠj L p I s eøK †gŠj 64. ‡Kvb †gŠ‡ji ewnt¯’ B‡jKUªb web¨vm ns1?
M s I f eøK †gŠj N d I f eøK †gŠj K ÿvi avZz L g„rÿvi avZz
50. wb‡Pi †Kvb †gŠjwUi AvqwbKiY kw³ me‡P‡q †ewk? M p- eøK N Ae¯’všÍi avZz
K Na L As 65. Ca I Mg Kx cÖK…wZi avZz?
MS N Cl K ÿvi L g„rÿvi
51. Sr ‡Kvb ai‡bi avZz? M Ae¯’všÍi N gy`ªv
K ÿvixq L g„rÿvixq 66. ‡Kvb †gŠ‡ji ewnt¯’ B‡jKUªb web¨vm ns2?
M A¤øxq N wbi‡cÿ K gy`ªv avZz L g„rÿvi
52. Xe- Gi cvigvYweK msL¨v 54 Gi A_© Kx? M ÿvi avZz N wbw®Œq ‡gŠj
K †cÖvUb msL¨v 54 L B‡jKUªb msL¨v 54 67. Cl (17) ‡Kvb eø‡Ki †gŠj?
M wbDUªb msL¨v 54 N fimsL¨v 54 Ks Lp
53. wb‡Pi †Kvb MÖæ‡ci †gŠjmg~n Ae¯’všÍi †gŠj? Md Nf
K Sc, Fe, Cu, Cr L Fe, Co, Ni, Zn 68. chv©q mviwYi MÖæc IIIA n‡Z VIIA ‡gŠj¸‡jv †Kvb eø‡Ki
M Cr, Mn, Fe, Cu N Sc, Cr, Fe, Zn AšÍ©MZ?
54. ‡KvbwU AvqwbKiY wef‡ei mwVK µg? Ks Lp
K Be>B>N>O L Be>B> O > N Md Nf
M N>O>B>Be N N>O>Be>N 69. ‡Kvb †gŠ‡ji ewnt¯’ kw³¯Í‡ii B‡jKUªb web¨vm ns2 np5?
55. ‡Kvb Avq‡bi AvKvi ÿz`ªZg? K s- eøK †gŠj L d-eøK †gŠj
K Na+ L Mg2+ M n¨v‡jv‡Rb N g„rÿvi avZz
M Al3+ N Ne 70. Fe(26) ‡gŠjwU †Kvb eø‡Ki AšÍ©MZ?
56. ‡Kvb †d¬vivBW me‡P‡q †ewk AvqwbK? Ks Lp
K NaF L CsF Md Nf
M MgF2 N BaF2 71. ÔBÕ DcMÖæ‡ci †gŠjmg~n †Kvb eø‡Ki AšÍ©MZ?
57. ‡Kvb †gŠ‡ji †Rvo¸wj `ªæZ wewµqv K‡i? Ks Lp
K Li+Br2 L Li+Cl2 Md Nf
M K+Br2 N K+Cl2 72. d-eøK †gŠjmg‡ni wmwiR KqwU?
58. chv©q mviwYi †gŠjmg~n‡K B‡jKUªb web¨v‡mi Dci wfwË K2 L3
K‡i KZ cÖKv‡i wef³ Kiv nq? M4 N5
K1 L2 73. d-eøK †gŠ‡ji wmwi‡Ri cÖKvi‡f` bq †KvbwU?
M3 N4 K 2d L 3d
59. ‡KvbwU chv©q mviwYi †gŠjmg~‡ni cÖKvi‡f` bq? M 4d N 5d
K wbw®Œq M¨vm L cÖwZwbwaZ¡ †gŠj 74. d-eøK †gŠjmg~‡ni cÖK„wZ Kxiæc?
M d-eøK †gŠj N Ae¯’všÍi †gŠj K avZz L AavZz
60. chv©q mviwYi k~b¨ MÖæ‡c †KvbwU Aew¯’Z ? M ÿvi avZz N wbw®Œq
K ÿvi avZz L n¨v‡jv‡Rb 75. d-eøK †gŠjmg~‡ni mv‡_ m¤ú©wKZ ˆewkó¨ †KvbwU?
M g„rÿvi avZz N †bv‡ej M¨vm K Giv RviYagx©
61. ‡bv‡ej M¨vm mg~‡ni ewnt¯’ ¯Í‡ii B‡jKUªb web¨vm †KvbwU? L Gi weRviYagx©
K (n-1)d2 ns2 L ns2 np6 M G‡`i A·vBW A¤øxq
M ns2 N ns1 N Giv mevB Ae¯’všÍi avZz
62. cÖwZwbwaZ¡ †gŠjmg~n †Kvb MÖæ‡ci m`m¨? 76. ÔGiv weRviYagx©Õ cwieZb©kxj †hvRbx cÖ`k©b K‡i Ges
K A DcMÖæc L B DcMÖæc RwUj †hŠM MVb K‡iÕ- K_vwU cÖ‡hvR¨ †Kvb eø‡Ki †gŠj
M MÖæc VIII N k~b¨ MÖæc m¤ú©‡K?
63. s I p eøK †gŠjmg~n †Kvb MÖæ‡ci m`m¨? Ks Lp
K A DcMÖæc L B DcMÖæc Md Nf
M MÖæc VIII N k~b¨ MÖæc
 |

77. ‡Kvb †gŠ‡ji w¯’wZkxj Avq‡b d AiweUvj B‡jKUªb Øviv M s-eøK †gŠj N d-eøK †gŠj
Ac~Y© _v‡K? 90. hv‡`i ewnt¯’ B‡jKUªb s AiweUv‡j Zv‡`i Kx ‡gŠj ejv
K s-eøK †gŠj L f-eøK †gŠj nq?
M Ae¯’všÍi avZz N AvšÍ: Ae¯’všÍi avZz K s eøK L p eøK
78. ÔSc’ avZzwU †Kvb eøK Gi ‡gŠj? M d eøK N f eøK
Kp Ls 91. Li, Na, K G¸‡jv Kx avZz bv‡g cwiwPZ?
Md Nf K g„ÿvi avZz L ÿvi avZz
79. weij g„wËKv avZzmg~n †Kvb¸‡jv? M weij g„wËKv N AcavZz
K j¨vš’vbvBW wmwiR L A¨vKwUbvBW wmwiR 92. ‡Kvb avZz¸‡jv‡K Ae¯’všÍi †gŠj ejv nq?
M MÖæc VIII N gy`ªv avZz K hv‡`i d AiweUvj c~Y©
80. AvaywbK chv©q mviwYi ÎæwU †KvbwU? L hv‡`i d AiweUvj Ac~Y©
K MÖæc IA M hv‡`i f AiweUvj Ac~Y©
L MÖæc VIIA N hv‡`i s AiweUvj c~Y©
M j¨vš’vbvBW I A¨vw±bvBW 93. ‡Kvb †gŠj¸‡jv A¨vw±bvBW wmwiR bv‡g cwiwPZ?
N wbw®Œq M¨vm K j¨vš’vbvg n‡Z jy‡Uwmqvg
81. d-eøK †gŠjmg~‡ni †KvbwU‡Z 4s AiweUv‡j 1wU B‡jKUªb L †mvwWqvg n‡Z g¨vM‡bwmqvg
i‡q‡Q? M †ewiqvg n‡Z ÷ªbwmqvg
K Mn(25) L Fe(26) N A¨vw±wbqvg n‡Z j‡ibwmqvg
M Ni(28) N Cu(29) 94. f- eøK †gŠj¸‡jv‡K Kx ejv nq?
82. ‡Kvb †gŠj ivmvqvwbKfv‡e Aw·‡R‡bi Abyiæc?
K Av`©k avZz L Ae¯’všÍi avZz
K Mg L Na
M AvšÍtAe¯’všÍi avZz N g„rÿvixq avZz
MS N Cl
95. p eøK †gŠj ejv nq †Kvb¸‡jv‡K?
83. kw³¯Í‡i s2 p6 B‡jKUªb web¨vmwewkó †gŠjmg~n‡K Kx e‡j?
K IA, IIA MÖæ‡ci †gŠjmg~n
K cÖwZiæcx †gŠj L Ae¯’všÍi †gŠj
L IIIA, IVA, VA, VIA, VIIA Ges 0 MÖæ‡ci
M AvšÍ;Ae¯’všÍi †gŠj N wbw®Œq M¨vm
†gŠjmg~n
84. n¨v‡jv‡R‡bi †ÿ‡Î wb‡¤œi †Kvb mvaviY B‡jKUªb web¨vmwU
cÖ‡hvR¨? M B MÖæc I VIIA MÖæ‡ci †gŠjmg~n
K ns2 np3 L ns2 np4 N A¨vKwUbvBW wmwi‡Ri †gŠjmg~n
M ns2 np5 N ns2 np6 (n-1)d6 96. Mn, Fe, Co, Ni, Cu ‡gŠjmg~n‡K ejv nq?
85. 2 5
s p KvVv‡gvi †gŠj¸‡jv Kx bv‡g cwiwPZ? K Ae¯’všÍi avZz L cÖwZwbwaZ¡ †gŠj
K wbw®Œq M¨vm L g„wËKv avZz M ÿvi avZz N j¨vš’vbvBW
M n¨v‡jv‡Rb N ÿvi avZz 97. Zn ‡Kvb eø‡Ki †gŠj?
86. ‡Kvb †gŠj¸‡jv GKB MÖæ‡ci AšÍ©fz³? K s-eøK L P eøK
K Li, Na, K L Fe, Co, Ni M d- eøK N f eøK
M Cu, Ag, Fe N C, N, O 98. d- eø‡K KZwU †gŠj i‡q‡Q?
87. cUvwmqvg †Kvb †kÖwYi AšÍ©fz³ ? K 30 L 34
K n¨v‡jv‡Rb L weij M¨vm M 40 N 29
M ÿvi avZz N ÿvi g„wËKv avZz 99. ‡Kvb †gŠjwU p eø‡Ki AšÍM©Z?
88. ‡gŠjmg~‡ni ag© cÖavbZ †KvbwUi Dci wbf©i K‡i? K Li L Cu
K †Kvb †kÖwY‡Z Aew¯’Z MP N Ca
100. ‡KvbwU p eøK †gŠj?
L †Kvb chv©‡q Aew¯’Z
K Na L Si
M e– web¨v‡mi Dci
M Ca N Fe
N AvYweK f‡ii Dci 101. s eø‡K KqwU †gŠj?
89. MÖæc-IB I MÖæc- IIB Gi †gŠjmg~n Kx bv‡g cwiwPZ? K 14 L 27
K ÿvi avZz L g„rÿvi avZz
 |

M 30 N 40 M Ni, Co, Fe N Zn, Cd, Hg

102. ‡Kvb B‡jKUªb web¨vmwU mwVK? 113. ‡Kvb †gŠ‡ji B‡jKUªbxq web¨vm n‡jv 2, 8, 1| chv©q
K Kr(36) = 1s2 2s2 2p6 3s2 3p6 3d104s14p5 mviwY‡Z Gi Ae¯’vb-
L Ca++ = 1s2 2s2 2p6 3s2 3p6 4s1 K MÖæc I chv©q 3 L MÖæc IV chv©q 1
M Sc(21) = 1s2 2s2 2p6 3s2 3p6 4s2 4p1 M MÖæc I chv©q 4 N MÖæc IV chvq© 3
N Zn++ = 1s2 2s2 2p6 3s2 3p6 3d10 114. GKwU †gŠ‡ji B‡jKUªbxq web¨vm 2, 8, 18, 8, 2 chv©q
103. GKwU †gŠj hvi cigvYyi †kl B‡jKUªb d AiweUv‡j hvq, mviwY‡Z Zvi Ae¯’vb †Kv_vq?
Zv‡`i Kx e‡j? K 4_© chv©‡q, IIA †kÖwY‡Z
K s eøK †gŠj L p eøK †gŠj L 5g chv©‡q, IIA †kÖwY‡Z
M d eøK †gŠj N f eøK †gŠj M 3q chv©‡q, IA †kÖwY‡Z
104. chv©q mviwYi †Kvb MÖæ‡c g„rÿvixq avZzi Ae¯’vb? N 5g chv©‡q, VIA †kÖwY‡Z
K MÖæc IA L MÖæc IIA 115. Al †Kvb †gŠ‡ji mv‡_ m¤úK©hy³?
M MÖæc IIIB N MÖæc IIIA K Li L Be
105. ‡Kv‡bv †gŠ‡ji B‡jKUªb web¨vm wb¤œiƒc: [Ar]3d104s1| MC NB
GwU wb‡¤œi †Kvb †kÖwYi AšÍ©fz³? 116. chv©q mviwY‡Z †KvbwU †gŠ‡ji chv©q wbav©iY K‡i?
K n¨v‡jv‡Rb L ÿvi avZz K gyL¨ †Kvqv›Uvg msL¨v
M Ae¯’všÍi avZz N wbw®Œq M¨vm L m‡ev©”P cÖavb †Kvqv›Uvg msL¨v
106. GKwU †gŠ‡ji cvigvYweK msL¨v 29| †gŠjwU †Kvb eø‡Ki M ewnt¯’ ¯Í‡i B‡jKUªb msL¨v
AšÍ©fz³| N mnKvix †Kvqv›Uvg msL¨v
K s- eøK L p-eøK 117. chv©q mviwY‡Z †Kv‡bv MÖy‡c †gŠ‡ji Ae¯’vb, Zv wb‡Pi
M d-eøK N f-eøK †KvbwU Øviv wb‡`©wkZ nq?
107. chv©q mviwYi GKB chv©‡qi AšÍ©fz³ †gŠ‡ji D`vniY K cigvYyi ewnt¯’ ¯Í‡i B‡jKUª‡bi msL¨v Øviv
†Kvb¸‡jv? L cigvYyi ewnt¯’ ¯Í‡ii gyL¨ †Kvqv›Uvg msL¨v Øviv
K Na, Mg, Al L H, N, Cl M cigvYy‡Z we`¨gvb †gvU B‡jKUªb msL¨v Øviv
M P, S, K N C, N, O
N gyL¨ I mnKvix ‡Kvqv›Uvg msL¨v mgwó (n+ℓ) Øviv
108. ‡mvwWqvg †gŠjwU chv©q mviwYi †Kvb chv©q Av‡Q|
118. ‡Kvb ‡gŠ‡ji †hvRbx B‡jKUªb msL¨v hZ H ‡gŠ‡ji Ae¯’vb
K 1g chv©q L wØZxq chv©q
ZZ b¤^i MÖy‡c; 69, 70, 71 †gŠjmg~‡ni Ae¯’vb chv©q
M Z…Zxq chv©q N PZz_© chv©q mviwYi †Kvb MÖy‡c?
109. GKwU †gŠ‡ji me©ewnt¯Í‡ii AvUwU B‡jKUªb Av‡Q| chvq© K IIB L IIIB
mviwY‡Z Zvi Ae¯’vb †Kv_vq? M IIB, IIIB, IVB N IVB
K VIII A MÖæ‡c L VIII B MÖæ‡c 119. ‡h †gŠ‡ji cvigvYweK msL¨v 11, chv©q mviwY‡Z Zvi
M I MÖæ‡c N 0 MÖæ‡c Ae¯’vb †Kv_vq?
110. dmdivm ‡gŠjwU chv©q mviwYi †Kvb chv©‡q Ges †Kvb MÖy‡c K 2q chv©q L 3q chv©q
Av‡Q? M 4_© chv©q N 5g chv©q
K 3q chv©q Ges 5g MÖæ‡c 120. ‡h †gŠ‡ji cvigvYweK msL¨v 17 chv©q mviwY‡Z Zvi
L 5g chv©q Ges 3q MÖæ‡c Ae¯’vb †Kv_vq?
M 3q chv©q Ges 2q MÖæ‡c K wØZxq chv©q 6ô MÖyc
N 5g chv©q Ges 2q MÖæ‡c L Z…Zxq chv©q 5g MÖyc
111. MÖæc VA- ‡Z AšÍ©fz³ †gŠj¸‡jv Kx Kx? M Z…Zxq chv©q 7g MÖyc
K bvB‡Uªv‡Rb, dmdivm, Av‡m©wbK, A¨vw›Ugwb, wemgv_ N Z„Zxq chv©q 4_© MÖyc
L bvB‡Uªv‡Rb, Aw·‡Rb, dmdivm, Av‡m©wbK, wemgv_ 121. 21 cvigvYweK msL¨v wewkó GKwU cigvYy †h †kÖwY‡Z
M Aw·‡Rb, mvjdvi, †m‡jwbqvg, †Ujywiqvg, A¨vw›Ugwb _vK‡e Zv †Kvb †gŠjmg~n?
N Aw·‡Rb, dmdivm, †Ujywiqvg, †cv‡jvwbqvg K ÿvixq avZzmg~n L Ae¯’všÍi avZz
112. chv©q mviwYi IIB MÖæ‡ci †gŠjmg~n Kx Kx? M wbw¯Œq M¨vmmg~n N n¨v‡jv‡Rbmg~n
K Cu, Ag, Au L Na, K, Li
 |

122. 24 cvigvYweK msL¨v wewkó †gŠjwUi Ae¯’vb chv©q mviwYi M w¯’i _v‡K N AwbqwgZ
†Kvb chv©‡q? 134. j¨vš’vbvBW ms‡KvPb †Kvb †gŠj؇qi †ÿ‡Î cÖ‡hvR¨?
K 4_© L 3q K Sc, Zn L Na, K
M 2q N 1g M F, Cl N Ne, Ar
123. P- Gi cvigvYweK msL¨v nj 15, †gŠjwU chv©q mviwYi 135. MÖyc IA G me‡P‡q kw³kvjx †gŠj †KvbwU?
†Kvb chv©‡qi AšÍ©fz³? K Na LK
K 3q L 5g M Cs N Fr
M 2q N 1g 136. wbw®Œq M¨vm¸‡jvi AvqwbKiY kw³ gvb Kxiƒc?
124. wØZxq chv©‡qi Ges MÖæc 14(IVA)- Gi AšÍ©fz³ GKwU K Lye wb¤œ L Lye D”P
†gŠ‡ji cigvYy wb¤œZg kw³ Ae¯’vq i‡q‡Q| cigvYywUi M ¯^vfvweK N k~Y¨
†hvR¨Zv ¯Í‡i B‡jKUª‡bi msL¨v KZwU? 137. †Kvb cigvYywU mn‡RB GKwU B‡jKUªb Z¨vM K‡i?
K1 L2 KK L Ca
M3 N4 M Rb N Sr
125. †KvbwU chv©qe„Ë ag© bq? 138. ‡KvbwU †gŠjwU mn‡RB +2 Avqb MVb Ki‡e?
K MjbvsK L ùzUbvsK K Aw·‡Rb L †mvwWqvg
M B‡jKUªb N AvqwbK ag© M K¨vjwmqvg N A¨vjyywgwbqvg
126. MÖyc VIIA G hZ wb‡Pi w`‡K hvIqv hvq Zvi MjbvsK I 139. Z…Zxq chv©‡qi †Kvb †gŠjwU mev©waK AvqwbKiY kw³
ùzUbvsK evovi KviY †KvbwU? wewkó?
K avZe eÜb Abycw¯’Z K GKwU wbw®Œq M¨vm
L AvšÍtAvYweK AvK©lY ej †bB L GKwU n¨v‡jv‡Rb
M AvKvi e„w× M GKwU ÿvi avZz
N cvigvYweK e¨vmva© e„w× N GKwU g„rÿvixq avZz
127. †h †Kvb chv©‡q MjbvsK I ùzUbvs‡Ki cwieZ©b †KvbwU? 140. †Kvb †gŠjwUi †ÿ‡Î AvqbxKiY kw³ me©wb¤œ?
K wbqwgZ L AwbqwgZ K Na L Li
M ev‡o N K‡g MK N Rb
128. GKB chv©‡q †gŠj mg~‡ni MjbvsK I ùzUbvs‡Ki †Kv‡bv 141. ‡KvbwU ‡gŠjwUi †ÿ‡Î AvqwbKiY kw³ mev©waK?
wbqwgZ cwieZb© †`Lv hvq bv †Kb? K Be LB
K MVb GKB L MVb wfbœ MC NN
M Giv wbw®Œq N Giv ÿvi avZz 142. ‡Kvb †gŠ‡ji avZe ‰ewkó¨ mev©waK?
129. Na, Mg, Al Gi †gŠjmg~‡ni g‡a¨ †Kvb cÖKvi eÜb K Si L Sn
we`¨gvb? M Ge N Pb
K avZe eÜb L AavZe eÜb 143. ‡KvbwUi AvqwbK kw³ me‡P‡q Kg?
M AvqwbK N mg‡hvRx KN L Be
130. dmdiv‡mi GKwU AYyi ms‡KZ †KvbwU? MB NC
KP L P2 144. †KvbwUi AvqwbKiY kw³ me‡P‡q Kg?
M P3 N P4 K Na L Ci
131. mvjdv‡ii GKwU AYyi ms‡KZ †KvbwU? MK N Cs
K S4 L S6 145. †Kvb †gŠjwUi cÖ_g AvqwbKiY kw³ me©wb¤œ?
M S8 N S10 K Ne L Ar
132. S8 I P4 AYyi g‡a¨ †Kvb cÖKvi ej we`¨gvb? M Kr N Xe
K AvqwbK L mg‡hvRx 146. †Kvb †gŠjwUi AvqwbKiY wefe me©wb¤œ?
K Na L Al
M f¨vÛviIqvjm N avZe
MS N Ar
133. d I  eøK †gŠ‡ji cvigvYweK msL¨v e„w×i mv‡_ G‡`i
147. †Kvb †gŠjwUi cÖ_g AvqwbKiY kw³ mev©waK ?
AvKv‡ii Kxiƒc cwieZ©b nq?
K Be LC
K ev‡o L K‡g
 |

MN NO N Al(s)  Al3+ (g); cÖ‡qvRbxq kw³i cwigvY 5133

148. ‡KvbwUi B‡jKUªb Avmw³ mev©waK? KJmol-1
KO LS 158. ‡KvbwU IE1 Gi mwVK µg?
M Se N Te K Ne>F>O>NC>B
149. g„ÿvixq avZzi †ÿ‡Î MÖy‡ci Dci †_‡K wb‡P wb‡gv³ L Ne>F>O>N>C>B
ag©¸‡jvi †KvbwUi n«vm N‡U? M Ne>F>O>N>C>B
K cvigvYweK e¨vmva© L cÖ_g AvqwbKiY kw³ N Ne<F<O<N<C<B
M AvqwbK e¨vmva© N cvigvYweK AvqZb 159. cigvYyi ewnt¯’¯iÍ †_‡K B‡jKUªb AcmviY Ki‡Z †h kw³i
150. †Kvb ‡kÖwYi †ÿ‡Î AvqwbK kw³ me©wb¤œ? cÖ‡qvRb nq Zv‡K Kx e‡j?
K n¨v‡jv‡Rb L wbw®Œq M¨vm K cvigvYweK kw³ L eÜb kw³
M ÿvixq avZz N ÿviKxq g„wËKv avZz M wefe kw³ N AvqwbKiY kw³
151. †KvbwUi 1g AvqbxKiY kw³i gvb †ewk? 160. me© cÖ_g Zwor FYvZ¥KZvi aviYv †`qv nq?
KN LO K 1930 L 1932
MF NC M 1960 N 19822
152. K cigvYyi 1g AvqbxKiY kw³ gvb KZ? 161. H Gi Zwor FYvZ¥KZv 2.1 n‡j F Gi Zwor FYvZ¥KZv
K 520 kJ/mol L 1320 kJ/mol KZ?
M 418 kJ/mol N 495 kJ/mol K  2.1 L  2.1
153. cÖ_g AvqwbKiY kw³i µg? M ≥ 2.1 N ≤ 2.1
K B<Be<C<O<N 162. Zwor FYvZ¥KZvi cv_©K¨ Lye †ewk n‡j †Kvb cÖKvi eÜb
L Be<B<C<N<O ˆZwi nq?
M B<Be<C<N<O K AvqwbK L mg‡hvRx
N Be<B<C<O<N M mwbœ‡ek N nvB‡Wªv‡Rb
154. C, N, O Ges F- Gi wØZxq AvqwbKiY kw³i mwVK µg 163. `y‡Uv †gŠ‡ji g‡a¨ Zwor FYvZ¥KZvi cv_©K¨ _vK‡j Zv‡`i
†KvbwU? †kqvi K…Z B‡jKUªb¸‡jv Kxfv‡e _vK‡e?
K C>N>O>F L O>N>F>C K mgvb fv‡e †kqvi Ki‡e
M O>F>N>C N F>O>N>C L AwaK Zwor FYvZ¥KZvi Kv‡Q _vK‡e
155. PviwU †gŠ‡ji B‡jKUªb web¨vm †`Iqv n‡jv| †KvbwUi cÖ_g M Kg FYvZ¥KZvi wbK‡U _vK‡e
AvqwbKiY kw³ m‡ev©”P? N AwaK abvZ¥KZvi wbK‡U _vK‡e
K 1s2 2s2 2p3 164. ‡Kv‡bv MÖæ‡c Dci n‡Z wb‡P †KvbwU e„w× cvq?
L 1s2 2s2 2p4 K avZe ag© L Zwor FYvZ¥KZv
M 1s2 2s2 2p6 3s1 M AavZe ag© N AvqwbKiY kw³
N 1s2 2s2 2p6 3s2 3p3
165. `y‡Uv †gŠ‡j mvgvb¨ Zwor FYvZ¥KZvi cv_©K¨ _vK‡j
156. chv©qµwgK AvqbxKiY kw³, (†hgb, cÖ_g, wØZxq, Z…Zxq
†hŠMwUi ˆewkó¨ Kxiƒc?
BZ¨vw`) cigvYyi †kj KvVv‡gvi cÖgvY cÖ`vb K‡i| wmwjKb
K 100% mg‡hvRx L 100% AvqwbK
cigvYyi †ÿ‡Î †Kvb AvqvwbKiY kw³, c~e©eZx© AvqwbKiY
kw³ †_‡K A¯^vfvweK ‡ewk? M AvswkK mg‡hvRx N AvswkK AvqwbK
K wØZxq L Z…Zxq 166. MÖæc 16(VIA) Gi †gŠjmg~‡ni g‡a¨ †KvbwUi B‡jKUªb
MÖn‡Yi cÖeYZv mev©waK?
M PZy©_ N cÂg
K Te LS
157. Al- Gi †ÿ‡Î IE1, IE2 Ges IE3 Gi gvb h_vµ‡g 579,
M Se NO
1814 Ges 2740 kJmol-1 wb‡Pi †Kvb e³e¨wU mwVK?
167. GKB kZv©ejx‡Z MÖæc VIIA †gŠjmg~‡ni †KvbwUi B‡jKUªb
K Al(g)  Al3+ (g); cÖ‡qvRbxq kw³i cwigvY 5133 MÖn‡Yi cÖeYZv me‡P‡q Kg?
KJmol-1
K ‡d¬vwib L Av‡qvwWb
L Al(g)  Al3+ (g); cÖ‡qvRbxq kw³i cwigvY2740
M †eªvwgb N †K¬vwib
KJmol-1
M Al(s)  Al3+ (g); cÖ‡qvRbxq kw³i cwigvY1814
KJmol-1
 |

168. ‡d¬vwi‡bi GKwU cigvYy Aw·‡R‡bi GKwU cigvYy †_‡K M4 N5

ÿz`ªZi| Gi GKwU m¤¢ve¨ e¨vL¨v n‡jv- Aw·‡R‡bi Zzjbvq 177. mg‡hvRx eÜb m¤úwK©Z gZev` KqwU?
†d¬vwi‡bi i‡q‡Q- K2 L3
K ÿz`ªZi RviY msL¨v M4 N5
L ÿz`ªZi cvigvYweK msL¨v 178. N2 †Z N–N ci¯úi KZwU eÜb Øviv hy³ n‡e?
M D”PZi wbDwK¬qvi PvR© K1 L2
N AwaKZi AhyM¥ B‡jKUªb M3 N4
169. p AiweUv‡ji AvK…wZ Kxiƒc? 179. Kve©‡bi m¤ú„³ †hŠ‡M Kve©‡bi †Kvb msKiYwU we`¨gvb?
K e„ËvKvi L NbKvKvi K sp L sp2
M Wv‡¤^jvKvi N †MvjKvKvi M sp3 N sp3d
170. d- AiweUv‡ji AvK…wZ Kxiƒc? 180. wØeÜb hy³ Am¤ú„³ ˆRe †hŠ‡M Kve©‡bi †Kvb msKiYwU
we`¨gvb?
K Wv‡¤^jvKvi L e„ËvKvi
K sp L sp2
M Wvej-Wv‡¤^jvKvi N †MvjKvKvi
M sp3 N sp3d
171. + 181. wÎeÜb hy³ Am¤ú„³ ˆRe †hŠ‡M Kve©‡bi †Kvb msKiYwU
we`¨gvb?
AwaµgY N‡U‡Q Kxfv‡e?
K sp3d L sp3
K s Ges p AiweUv‡ji mvgbvmvgwb AwaµgY 2
M sp N sp
L s Ges p AiweUv‡ji cvkvcvwk AwaµgY
182. ‡Kvb †hŠMwU‡Z Kve©b cigvYyi sp2 msKiY i‡q‡Q?
M s Ges s AiweUv‡ji cvkvcvwk AwaµgY
K C6H6 L C8H15Cl3
N s Ges d AiweUv‡ji mvgbvmvgwb AwaµgY M C8H14Cl2 N C8H17Cl
172. + 183. ‡Kvb AiweUv‡ji w`K`kx© ag© Av‡Q?
K 1s L 2s
AwaµgY N‡U‡Q wKfv‡e?
M 2p N 3s
K p I p AiweUv‡ji cvkvcvwk AwaµgY
184.
L p I s AiweUv‡ji gy‡LvgywL AwaµgY y
z
M p I d AiweUv‡ji gy‡LvgywL AwaµgY
N p I p AiweUv‡ji mvgbvmvgwb AwaµgY

173. + AwaµgY AiweUv‡ji bvg Kx?

K Px L Py
M Pz N dx2 y2
N‡U‡Q wKfv‡e?
185. HCl AYy‡Z †Kvb eÜbwU we`¨gvb?
K p I  Gi cvkvcvwk AwaµgY
K s-p  eÜb L p-p  eÜb
L p I s Gi gy‡LvgywL AwaµgY
M s-p  eÜb N p-p  eÜb
M p I p Gi cvkvcvwk AwaµgY
186. F2 AYy‡Z †Kvb bond we`¨gvb?
N p I p Gi gy‡LvgywL AwaµgY
K s-p  bond L p-p  bond
174. ‡KvbwU Am¤ú„³ †hŠM?
M s-p  bond N p-p  bond
K NH3 L HCN
187. ‡Kvb †hŠMwU‡Z  bond Av‡Q?
M CH4 N BF3
K C2H4 L C2H6
175. ‡Kvb mg‡hvRx hyMj m¤ú„³?
M C3H8 N C4H10
K NH3, CO2 L CH4, SO2
188. ‡Kvb †gŠjwUi me©wb¤œ †hvRbx `yB?
MBF3, H2O N HCN, SO3
K Cl LC
176. mg‡hvRx eÜb KZ cÖKvi?
MH N Na
K2 L3
189. nvBweªWvw‡Rkb gZev` Dc¯’vcb K‡i †Kvb weÁvbx?
 |

K cwjs L ûÛ M sp2 N dsp2

M ev‡R©wjqvm N Dnjvi 204. CH4 G Kve©b cigvYyi Kx ai‡bi nvBweªWvB‡Rkb nq?
190. Kve©‡bi †Kvb msKiYwU m¤¢e? K sp L sp2
K sp3d L sp2d M sp3 N dsp2
M spd N sp 205. ‡KvbwU‡Z sp3 nvBweªWvB‡Rkb n‡q‡Q?
191. H – C – H eÜb †KvY 10928 †Kvb †hŠ‡Mi? K HCN L C2H2
K CH4 L C2H2 M BF3 N NH 4
M C2H4 N C3H6 206. sp3 msKwiZ †hŠ‡Mi AYyi AvK…wZ Kx ai‡bi N‡U?
192. CH4 AYy‡Z KqwU  bond Av‡Q? K PZz¯ÍjKxq L mij‰iwLK
K 2wU L 3wU M mgZjxq wÎfzRvK…wZi N †ejbvK…wZi
M 4wU N 5wU 207. ‡Kvb †hŠM hyM‡j sp3 nvBweªWvB‡Rkb n‡q‡Q?
193. C2H4 AYy‡Z C – H eÜbmg~n wb‡Pi †Kvb AiweUvj؇qi K PCl5, NCl3 L CH4, H2O
Awaµg‡Yi d‡j MwVZ n‡q‡Q? M NH3, BCl3 N C2H4, C2H2
K C(sp) + H(2s) L C(sp2) + H(1s) 208. CH4 G AYy‡Z C cigvYyi gy³‡Rvo B‡jKUªb KZ¸‡jv?
M C(sp2) + H(2s) N C(sp3) + H(1s) K1 L4
194. Kve©‡bi AiweUv‡j msKixKiY KZ ai‡bi? M2 N ‡bB
K2 L3 209. NCl3 AYy‡Z N cigvYyi eÜb †Rvo B‡jKUªb KZ¸‡jv?
M4 N5 K1 L2
3
195. sp AiweUv‡ji msKixKiY KZ ai‡bi? M3 N4
K mgZjxq w·KvbvKvi L mij‰iwLK 210. H2O-i AYy‡Z eÜb‡Rvo B‡jKUªb 2 †Rvov I gy³‡Rvo
M PZz¯ÍjKxq N AóKZjxq B‡jKUªb 2 †Rvov| H2O †Z O cigvYyi msKi AiweUvj
196. B‡_‡b C – C eÜb ˆ`N¨© KZ? KZ¸‡jv?
K 0.106 nm L 0.110 nm K1 L2
M 0.134 nm N 0.154 nm M3 N4

197. cÖwc‡b C=C eÜb ˆ`N¨© KZ? 211. NH 4 I [B(NH3)]F3 ‡hŠ‡M N Gi †Kvb ai‡bi
K 0.106 nm L 0.110 nm msKivqb N‡U‡Q?
M 0.134 nm N 0.154 nm K dsp2 L sp2
198. A¨vwmwUwj‡b C  C eÜb ˆ`N¨© KZ? M sp3 N sp
K 0.106 nm L 0.110 nm 212. MÖvdvB‡Ui Mjbv¼ KZ?
M 0.120 nm N 0.134 nm K 3730C L 3230C
199. Bw_‡bi AvKvi Kxiƒc? M 3030C N 3330C
K mij‰iwLK L mgZjxq UªvB‡Mvbvj 213. ‡KvbwU cvwb‡Z AwaK `ªeYxq?
M PZz¯ÍjKxq N Uªv‡Mvbvj K BeSO4 L MgSO4
200. ‡ebwRbPµ Avwe®‹vi K‡ib †K? M CaSO4 N SrSO4
K ‡MvKzj L †KKzj 214. wb‡Pi †Kvb †hŠMwU †mwg †gvjvi?
M eKzj N ivDwj K Zwor †hvRx †hŠM L mg‡hvRx †hŠM
201. ‡ebwR‡b C = C `~iZ¡ KZ? M avZe †hŠM N mwbœ‡ek †hŠM
K 0.154 nm L 0.133 nm 215. wb‡Pi †Kvb †hŠMwU cvwb‡Z A`ªeYxq?
M 0.139 nm N 0.109 nm K FIF3 L AgCl
202. ‡ebwR‡b †Kvb ai‡bi msKiY N‡U? M CaCl2 N AgF
K sp L sp2 216. wb‡Pi †Kvb †gŠjwUi B‡jKUªb Avmw³ mev©waK?
M sp 3
N dp2s K Al LP
203. GKB kw³¯Í‡ii 1wU s I 2wU p AiweUvj msKwiZ n‡q Kx MS N Si
ai‡bi AiweUvj ˆZwi Ki‡e? 217. wb‡Pi †KvbwU wbi‡cÿ?
K sp L sp3 K N2O L N2O3
 |

M N2O4 N O2F3 M F  O  N  Cl N Cl  F  O  N
218. wb‡¤œi †gŠjmg~‡ni †Kvb †mUwU‡Z mev©waK a‡g©i wgj 233. wb‡Pi †Kvb jeYwU †ewk DØvqx?
i‡q‡Q? K Na2SO4 L NaNO3
K P, As, Sb L Na, K, Mg M CuCO3 N NaCl
M O, S, Sb N C, P, N 234. wb‡Pi †Kvb †hŠMwUi Mjbv¼ me‡P‡q †ewk?
219. wb‡Pi †KvbwU †d‡ivg¨vM‡bwUK? K BeCl2 L MgCl2
K Sc L Co M CuCl2 N AlCl3
M Zn N Al 235. wb‡¤œi †Kvb †hŠMwUi Mjbv¼ me©wb¤œ?
220. Kve©b cigvYy‡Z KZ cÖKvi msKiY N‡U? K H2S L H2O
K2 L3 M TeH2 N SeH2
M4 N5 236. Bw_‡b  e܇bi msL¨v n‡jv-
221. ‡KvbwUi mwµqZv mev©waK? K1 L2
KF L Cl M5 N6
M Br NI 237. ÿviK‡Z¡i wb¤œ n«vm †KvbwU?
222. H2O AYyi eÜb †KvY n‡jv- K F–Cl–I–Br– L I–Br–Cl–F–
K 107C L 109.5C M F–Cl–Br–I– N F–I–Br–Cl–
M 120C N 104.5C 238. GKwU †gŠj x Gi B‡jKUªb web¨vm n‡jv
223. [Cu(NH3)4]SO4 †hŠ‡M KZ ai‡bi eÜb we`¨gvb? 1s22s22p63s23p1, Bnvi †hvR¨Zv ¯Í‡i B‡jKUªb MÖnY ev
K1 L2 eR©‡bi d‡j KZ Pv‡R©i Avqb MwVZ n‡e?
M3 N4 K –3 L +3
224. wb‡Pi †KvbwUi AvK…wZ V Gi gZ? M –2 N +3
K SO2 L CO2 239. VSEPR ZË¡ Abymv‡i †hvR¨Zv ¯Í‡i QqwU msKi AiweUvj
M PO2 N SO3 _vK‡j AYyi AvK…wZ n‡e-
225. ‡KvbwUi †cvjvivqb ÿgZv †ewk? K PZz¯ÍjKxq L wÎfzR AvK…wZ
K Ba2+ L Sr2+ M AóZjKxq N wØ-wcivwgW
M Mg2+ N Be2+ 240. B_vB‡b wmMgv e܇bi msL¨v KZwU?
226. wb‡Pi †Kvb †hŠ‡M †cvjvi mg‡hvRx eÜb we`¨gvb? K2 L3
K MgF2 L CO2 M4 N5
M NaCl N HCl 241. [Ar] 3d104s1 B‡jKUªb web¨v‡mi †gŠjwU wb‡Pi †Kvb
227. OF2 Kx ai‡bi †hŠM? †kÖwYi?
K A¤øagx© L ÿviagx© K ÿviavZz L Ae¯’všÍi avZz
M cÖkg N Dfagx© M ÿvixq g„wËKv avZz N AšÍtAe¯’všÍi avZz
228. gy`ªv avZyi MÖæc bv‡g cwiwPZ †KvbwU? 242. wb‡Pi †gŠj¸‡jvi g‡a¨ †KvbwUi AvqwbKiY kw³ m‡ev©”P?
K IA L IB KO LN
M IIA N IIB MF NC
229. wb‡Pi †Kvb †hŠMwU A¯^vfvweK ùzUbvs‡Ki cwieZ©b †b‡e? 243. ‡ebwRb cÖ‡Z¨KwU Kve©‡b wK ai‡bi msKiY nq?
K HF L HCl K sp2 L sp3
M HBr N HI M d2sp3 N dsp2
230. 20 A GKwU †gŠj| wb‡Pi †Kvb jeYwU cvwb‡Z `ªeYxq? 244. ‡Kvb¸‡jv AcavZz?
K ASO4 L A(NO3)2 K Si, Ge, As L Na, K, Ca
M AC2O4 N ACO3 M F, Cl, Br N B, Mg, Ni
231. Zwor FYvZ¥KZvi gvb KZ n‡j †hŠMwU †cvjvi n‡e? 245. MCl2 I MCl3 ¯’vqx †hŠM n‡j M n‡e-
K 0.4 L 0.5-1.7 K ÿvi avZz L g„rÿvi avZz
M 2.5 N 3.0
M Ae¯’všÍi avZz N d-block ‡gŠj
232. Zwor FYvZ¥KZvi mwVµ µg †KvbwU? 
246. NH 4 Avq‡bi AvK…wZ Kxiƒc?
K F  Cl  O  N L F  Cl  N  O
 |

K PZz¯ÍjKxq L w·KvYwgZxq K sp L sp2

M w·KvYxq N wcivwgWxq M sp3 N sp3d
247. wb‡Pi †Kvb †gŠ‡ji AvqwbKiY wefe mev©waK? 260. wb‡Pi †Kvb †hŠMwUi eÜb †KvY me‡P‡q †ewk?
K Na L Al K wg‡_b L cvwb
MP N Ar M A¨v‡gvwbqv N Kve©b WvB-A·vBW
248. FeCl3 ms‡KZavix †hŠMwUi bvg n‡jv- 261. H2O ‡hŠ‡M H Ges O e܇b we`¨gvb-
K UªvB‡K¬v‡iv Avqib L †dwiK A·vBW K s-sp msKi AiweUvj
M Avqib UªvB‡K¬vivBW N †divm A·vBW L s-sp2 msKi AiweUvj
249. ‡Kvb AvqwbK †hŠ‡M mg‡hvRx PwiÎ AwaK we`¨gvb? M s-sp3 msKi AiweUvj
K KCl L LiCl N sp- sp3 msKi AiweUvj
M NaCl N RuCl 262. Avgiv †h Pzb †L‡q _vwK Zvi ms‡KZ-
250. Avwe®‹…Z †gŠ‡ji g‡a¨ chv©q mviwY‡Z Zij †gŠj KqwU? K Na2O LMgO
K2 L3 M CaCO3 N Ca(OH)2
M4 N5 263. 2
sp msKi AiweUv‡ji AvK…wZ wKiƒc nq?
251. B_vBb AYy‡Z cvB e܇bi msL¨v KqwU? K mij ˆiwLK
K2 L3 L wÎfzR AvK…wZi
M4 N5 M PZz¯ÍjKxq
252. K¨vUvqbmg~‡ni †cvjvivq‡bi `ÿZvi mwVK µg †KvbwU?
N w·KvYvKvi wcivwgWxq
KLMN LLMN 264. A¤øagx© A·vBW †KvbwU?
MKNM NKMN
K CO L Al2O3
253. CaCl2 Ges AlCl3 Gi g‡a¨ †KvbwU AwaK mg‡hvRx?
M pbO2 N B2O3
K CaCl2> AlCl2 L AlCl2 >CaCl2 265. ‡Kvb ivmvqwbK eÜb m„wó‡Z GKwU cigvYy KZ…„K B‡jKUªb
M DfqB AvqwbK N DfqB mg‡hvRx hyMj cÖ`Ë nq A_P Dfq cigvby B‡jKUªbØq †kqvi K‡i|
254. mwbœ‡ek eÜb Dcw¯’Z ‡Kvb †ÿ‡Î? K AvqwbK eÜb L avZe eÜb
K H2O L NH3 M mg‡hvRx eÜb N mwbœ‡ek mg‡hvRx eÜb

M NH 4 N K4[Fe(CN)6]
255. GKwU †gŠ‡ji cvigvYweK msL¨v 35 ‡gŠjwUi Ae¯’vb †Kvb
eø‡K?
K s- eøK L p-eøK
M d- eøK N f- eøK
256. A Gi Zwor FYvZœKZv 0.9 Ges B Gi Zwor FYvZœKZv
3.0| †gŠj A Ges B Gi g‡a¨ MwVZ †hŠ‡Mi eÜb Kx
ai‡bi?
K AvqwbK L mg‡hvRx
M mwbœ‡ek N avZe eÜb
257. PviwU n¨v‡jv‡R‡bi B‡jKUªb Avmw³i gvb (kJ/mol)
wb¤œiæc; G‡`i g‡a¨ †KvbwUi A¨vbvqb MV‡bi cÖeYZv †ewk
n‡e?
K F (–238) L Br(-325)
M Cl(-349) N I(-295)
258. wb‡Pi AYy¸‡jvi †KvbwU‡Z eÜb `~iZ¡ me‡P‡q Kg?
K H2 L N2
M O2 N F2
259. POCl3 MVbKv‡j †K›`ªxq cigvYyi †Kvb cÖKvi msKiY
N‡U?
 |

Aa¨vq 04t ivmvqwbK cwieZ©b A. Molecularity of a reaction B. Half-life of a reaction

C. Order of a reaction
1. g¨v·I‡q‡ji AYyi MwZi weZi‡Yi †ÿ‡Î †Kvb Dw³wU mwVK bq? D. Activation energy of a reaction Soln:C
A. Most probable speed is the speed of all of the molecules 8. N2O5 Gi Zvc we‡qvRb GKwU cÖ_g µg wewµqv Ges GB wewµqvi
B. Most probable speed decreases as temperature increases nvi aªæeK Gi gvb 6.2  104 s1. Gi Aa© Avqy¯‹vj KZ?
C. Larger numbers of molecules move at a greater speed A.11.18 s B. 111.8 s
at high temperature C. 1118.0 s D. 1.18 min Soln:C
D. Distribution curve tells the number of molecules 1
moving at a certain speed 9. N2O5 2NO2 + O2 Bnv GKwU cÖ_g µg wewµqv Ges GB
2
Soln:B
wewµqvi †eM aªye‡Ki gvb 6.210–4 s–1| GB wewµqvi Aa©vqyKvj
2. A + 2B  D wewµqvi †ÿ‡Î wewµqvi nvi mgxKiY n‡jv, rate
nj: (00-01)
= k[A][B]| hw` Dfq wewµq‡Ki NbgvÎv wظY Kiv nq, Zvn‡j
A. 11.8 seconds B. 111.8 seconds
wewµqvi nvi e„w× cv‡e-
C. 1118 seconds D. 1.18 minutes Soln:C
A. 2 times B. 4 times C. 6 times D. 8 times
10. GKwU cÖ_g µg wewµqvi Aa©vqy 28 †m‡KÛ| KZ †m‡KÛ c‡i
[Ans: B]
wewµq‡Ki GK Aógvsk Aewkó _vK‡e?
3. GKwU cÖ_g µg wewµqvi nvi aªæeK 6.710–4 s–1| wewµqvwUi
A. 28 B. 56 C. 84 D. 112
Aa©vqyKvj KZ?
Soln:C
A. 17.2 min B. 16.0 min
11. 2NO(g)+O2(g)  2NO2 (g) wewµqvwUi cix¶v K‡i wbYx©Z MwZ
C. 27.5 min D. 18.1 min
mgxKiY, v = k[NO]2[O2]; [NO] Gi cwigvY Av‡Mi †P‡q wظY
Soln:A
Kiv n‡j Avw` †e‡Mi wK cwieZ©b n‡eÑ
4. cÖ_g µg wewµqv, A  Drcv` Gi †¶‡Î wb‡gœi †jLwPÎmg~n
A. AcwiewZ©Z _vK‡e B. wظY n‡e
†`Lv‡bv n‡jv| †Kvb †jLwPÎwU Aï×? ([A] = wewµq‡Ki NYgvÎv;
C. wZb¸Y n‡e D. Pvi¸Y n‡e Soln:D
t = wewµqvi mgq)
12. ZvcgvÎv e„w×i mv‡_ wewµqvi †eM e„w×i cÖavb KviY-
A. [A] B. In[A] A. †ekx msL¨K wewµqK AYy kw³ AR©b K‡i mwµq nq
B. wewµqvi mwµqY kw³ e„w× cvIqv
t t
C. wewµqvi mwµqY kw³ n«vm cvIqv
d[A] [A]o D. wewµqv AYymg~‡ni AvšÍ-AvYweK `~iZ¡ n«vm cvIqv
C. D. In
dt [A] Soln:A
[A] t 13. †Kvb wewµqvi †eM aªæeK k-Gi gvÎv hw` (time)1 nq, Z‡e
wewµqvwUi µg n‡e-
Soln:B
A. cÖ_g µg B. wØZxq µg
5. wb‡gœi PviwU wewµqvi cix¶vjä †eM mgxKiY †`qv nj| †Kvb
C. k~b¨ µg D. Z…Zxq µg Soln:A
wewµqvwU †gŠwjK wewµqv n‡Z cv‡i?
14. A+B  C wewµqvwUi MwZ mgxKiY n‡jv t v = k[A] 2 ; A-Gi
A. A + B  P, V = k[A]2
B. C + D  P, V = k[C] [D]2
cªviw¤¢K NbgvÎv wظY Kiv n‡j wewµqvi cªviw¤¢K MwZ KZ¸Y e„w×
C. O + O2 + N2  O3+N2, V = k[O] [O2] [N2] cv‡eÑ
D. (CH3)3 CCl + OH–  (CH3)3C–OH+OH+OH–, V=k A. 2 B. 3 C. 4 D. 8 Soln:C
[(CH3)3CCl] 15. wb‡gœi †KvbwU cÖ_g µg wewµqvi Rb¨ mwVK?
Soln:C A. Av‡cw¶K wewµqvi nv‡ii GKK: NbgvÎv–1 mgq–1 †hgb, L
6. X + Y  Z wewµqvi Rb¨ wbw`©ó ZvcgvÎvq wbgœwjwLZ DcvË mol–1 s–1
cvIqv †Mj| wewµqvi mwVK †eM-mgxKiY †KvbwU? 1 x
B. Av‡cw¶K wewµqvi nvi k = .
[X]0/mol L–1 1.0 1.0 3.0 t a (a  x )
[Y]0/mol L–1 1.0 2.0 1.0 C. t1/2 NbgvÎvi cÖv_wgK gv‡bi Dci wbf©i K‡i bv
Avw`‡eM mol L–1s–1 0.01 0.02 0.01 D. mg‡qi mv‡_ NbgvÎv mij‰iwLKfv‡e e„w× cvq
A. v = k [X] [Y] B. v = k [X] [Y]2
Soln:C
C. v = k [Y] D. v = k [X]
16. bvB‡Uªv‡Rb †c›Uv A·vBW (N2O5) Gi we‡qvR‡bi Aa©vqy 3400 wg.|
Soln:C
wewµqvwUi Av‡cw¶K wewµqv nvi K Gi gvb wb‡gœi †KvbwU?
7. wewµqvi nvi mgxKi‡Y wewµqK¸wji NYgvÎvi Nv‡Zi mgwó n‡”Q-
A. 1.732510–4s–1 B. 2.03810–4m–1
 |

C. 2.03810–3s–1 D. 2.03810–3s–2 Soln:A

Soln:B
27. k~b¨ µg wewµqvi nvi aªæe‡Ki GKK wK?
17. wb‡gœi †KvbwU FYvZ¥K AbyNUK?
A. s–1 B. mol L–1s–1
A. Cu B. A¨vj‡Kvnj
C. L mol–1s–1 D. mol s–1
C. MnO2 D. Fe n
Sol :B
Soln:B 28. A + B  C wewµqvi MwZ mgxKiY nj: v = k[A]2; A Gi Avw`
18. †Kvb wewµqvi ZvcgvÎv 25C †_‡K 35C -G DbœxZ Ki‡j H
NbgvÎv wظY Kiv n‡j wewµqvi Avw` MwZ KZ¸Y e„w× cv‡e?
wewµqvi nvi aªæe‡Ki gvb wZb¸Y nq, Z‡e wewµqvwUi mwµqY
A. wظY B. wZb¸Y
kw³i gvb wb‡gœi †KvbwU?
C. Pvi ¸Y D. AvU ¸Y
A. 83.85 kJ mol–1 B. 38.85 kJ mol–2
Soln:C
C. 85.83 kJ mol–1 D. 83.85 kJ mol–1
29. 2NO + O2  2NO2 wewµqvwU GKwU
Soln:A
A. wÎ-AvYweK wewµqv B. wØ-AvYweK wewµqv
19. k~b¨ µg wewµqvq wewµqvi nvi _v‡KÑ
C. GK-AvYweK wewµqv D. k~b¨-AvYweK wewµqv
A. 0 B. aªæe
E. †KvbwUB bq Soln:A
C. ax‡i e„w× cvq D. ax‡i n«vm cvq
n
Sol :B 30. CH3COOC2H5 + H2O  CH3COOH + C2H5OH wewµqv
20. cÖwZ 10C ZvcgvÎv e„w×i Rb¨ wewµqvi nvi KZ¸Y e„w× cvq? GKwUÑ
A. 2-3 B. 3-4 C. 4-5 D. 5-6 A. k~b¨ µg wewµqv B. cÖ_g µg
Soln:A C. QÙ GK AvYweK wewµqv D. wØZxq µg wewµqv
21. k~b¨µg wewµqvq wewµqvi nvi _v‡K- E. Z…Zxq µg wewµqv Soln:C
A. 0 B. aªæe C. ax‡i e„w× cvq D. ax‡i n«vm cvq 31. GKwU cÖ_g µg wewµqvi Aa©vqy 30 wgwbU| wewµqvwUi Av‡cw¶K
n
Sol :B nvi KZ?
22. k~b¨µg wewµqvi nvi aªæe‡Ki GKK n‡jv: A.0.02/ wgwbU B. 0.0210-2/ wgwbU
A. L mol–1 time–1 B. time–1 C. 2.3110-2/ wgwbU D. 23110-2/ wgwbU
–1 –1
C. mol L time D. none
n
E. 23110-5/ wgwbU Soln:C
Sol :C
32. GKwU wØZxq µg wewµqvi Aa©vqzKvj (T1/2) Ges wewµq‡Ki NbgvÎv
23. GKwU A‡Uv AbyNUK n‡”QÑ
(c) Gi g‡a¨Kvi m¤úK©wU nj-
A. wewµqvi Drcv`¸‡jvi GKwU hv AbyNUK wn‡m‡e KvR K‡i
A. t1/2 = aªæe B. t1/2  c2
B. hv GKUv wewµqv‡K Avi¤¢ K‡i
C. t 
1
D. t  c E. t 
1
C. hv GKwU wewµqv‡K MwZ‡eM Kwg‡q †`q 1/2 1/2 1/2
c c
D. hv GKwU wewµqvi MwZ‡eM evwo‡q †`q
Soln:E
Soln:A
24. wb‡Pi †KvbwU wewµqv nvi aªæeK, K-Gi mwVK cÖKvk? 33. †Kvb cÖ_g µg wewµqvi Aa©vqy 15 min n‡j wewµqvwUi nvi aªæeK
1 a 1 a KZ?
A. K = log B. K = 
t ax t ax A. 4.62103 min1 B. 4.62101min1
1 Co 1 x C. 4.62102 min1 D. 1.63101 min1
C. K = loge D. K = log
t Ct t (a  x ) Soln:C
Soln:C
25. cÖ_g µg wewµqv 2N2O5(g)  4NO2(g) + O2(g) Gi Aa©avqyKvj 34. GKwU cÖ_g µg wewµqvi A‡a©K cwigvY wewµqK we‡qvwRZ nq 360
30C ZvcgvÎvq 2.40 N›Uv| wewµqvwUi nvi aªæeK †KvbwU? †m‡K‡Û| wewµqvwUi nvi aªæeK KZ?
A. 0.289 h–1 B. 0.380 h–1 A. 0.0115 min1 B. 1.155 min1
C. 0.20 h –1
D. 0.240 h–1 C. 0.1386 min1 D. 0.1155 min1 Soln:D
Soln:A 35. GKwU cÖ_g µg wewµqvi 30% m¤cbœ 60 wgwb‡U| D³ wewµqvwUi
26. cÖ_g µg wewµqavi Rb¨ wb‡gœi †KvbwUi †iLvwPÎ GKwU mij Aa©vqy n‡jv-
†iLv Drcbœ Ki‡e?{[A] n‡jv ZxeªZv Ges t n‡jv mgq} A. 100.50 min B.111.55 min
A. [A] vs t B. ln [A] vs t C. 116.55 min D. 100.55 min Soln:C
C.
1
vst D. ln t vs [A] 36. †KvbwUi Aa©vqy (Half-life) me©vwaK?
[A] A. Uranium-238 B. Iodine-131
 |

C. Cobalt-60 D. Technetium-99 Soln:A Soln:B

37. WªvB‡m‡j e¨eüZ Zwor we‡køl¨Ñ 46. GKwU cÖ_g µg wewµqvi Aa©vqy 28 †m‡KÛ| KZ †m‡KÛ c‡i
A. ZnCl2 B. NH4Cl wewµq‡Ki GK-Aógvsk Aewkó _vK‡e?
C. H2O D. me¸wj Soln:B A. 28 B. 84
38. ch©vq mviwYi †Kvb GKwU ch©v‡q evg †_‡K Wvb w`‡K cvigvbweK C. 56 D. 112
msL¨v e„w×i ms‡M ms‡MÑ Soln:B
A. cigvbyi AvKvi e„w× cvq B. AvqbxKiY kw³ e„w× cvq 47. GKwU cÖ_g µ‡gi wewµqvi t1/2 nj 2.5 h D³ wewµqvi †iBU aªæeK
C. Zwor FYvZ¥KZv n«vm cvq D. B‡jKUªb Avmw³ n«vm cvq n‡e-
Soln:B A. 7.70  10-5 s-1 B. 5  10-5 s-1
39. wewµqK AYy¸‡jv ci¯úi msNl© K‡i hvLb cyiv‡bv eÜb fv‡½ Ges C. 2  10-5 s-1 D. 2  10-6 s-1
bZzb eÜb m„wó Ki‡Z ïiæ K‡i ZLb H Ae¯’v‡K ejv nq Soln:A
A. wewµqvi µg B. wewµqvi MwZi nvi 48. GKwU 1g µg wewµqvi 50% m¤úbœ nq 10 wgwb‡U, wewµqvwUi nvi
C. mwµqbK…Z RwUj D. mwµqb kw³ Soln:C aªæeK KZ?
A.0.69 min-1 B. 0.069 min-1
40. WªvB‡m‡j e¨eüZ Zwor we‡køl¨Ñ
C. 0.69 dm3 min-1 min-1 D. 0.069 min
A. ZnCl2 B. NH4Cl
Soln: B
C. H2O D. me¸wj Soln:B
41. †h wewµqvi nvi wewµq‡Ki NbgvÎvi Dci wbf©i K‡i bv A_©vr 49. CH3COCH3(aq)+I2(aq)=CH3COCH2I(aq)+HI(aq) wewµqvwUi
wewµqvwU GKwU wbw`©ó MwZ‡ZB Pj‡Z _v‡K Zv‡K e‡j- nvi †KvbwUi NbgvÎvi Dci wbf©i K‡i?
A. †gŠwjK wewµqv B. k~b¨ µg wewµqv A. I2 B. CH3COCH3
C. HI D. CH3COCH2I
C. cÖ_g µg wewµqv D. wewµqvi AvYweKZ¡ Soln:B
Soln:B
42. wewµqK AYy¸‡jv ci¯úi msNl© K‡i hLb cyiv‡bv eÜb fv‡½ Ges
50. GKwU cÖ_g µg wewµqvi nvi 210–3 sec–1 n‡j wewµqvwUi
bZzb eÜb m„wó Ki‡Z ïiæ K‡i ZLb H Ae¯’v‡K ejv nq- Aa©vqyKvj-
A. wewµqvi µg B. wewµqvi MwZi nvi A. 0.375 sec B. 15.01 sec
C. mwµqbK…Z RwUj D. mwµqb kw³ C. 34.65 sec D. 346.5 sec
Soln:C 0.693 0.693
Soln:D, Aa©vqZKvj, t1/2 = = = 346.5 sec
K 210–3
43. k~b¨µg wewµqvi †¶‡Î mZ¨ bq †Kvb&wU? 51. †KvbwU wØZxq µg wewµqvi nvi aªæe‡Ki GKK?
A. wewµqvi nvi aªæe‡Ki GKK nj mol-L1s1 A. Lmol-1s-1 B. s-1
C. moll-1s-1 D. m-1
B. wewµq‡Ki NbgvÎv mg‡qi mv‡_ Kg‡Z _v‡K Soln:C, cÖ_g Ges wØZxq µg wewµqvi nvi aªæe‡Ki GKK h_vµ‡g
min–1/S–1 Ges mol L–1S–1
C. wewµqvi nvi mg‡qi mv‡_ cwieZ©bkxj
52. wewµqvi nvi wewµq‡Ki NbgvÎvi Dci wbf©i K‡i bv,
D. Av‡jvK ivmvqwbK wewµqv k~b¨µg wewµqvi mvaviY D`vniY A. 1g µg wewµqv B. 2q µg wewµqv
C. 3q µg wewµqv D. k~b¨ µg wewµqv
E. wewµqvi nvi wewµq‡Ki NbgvÎvi Dci wbf©i K‡i bv| n
Sol :D
Soln:C 53. ¶vi cÖfvweZ A¨vwm‡Uv‡bi †eªvwgbxKiY wewµqvwU CH3COCH3 +
44. wbw`©ó NbgvÎvi Kl `ªe‡Y 30% H2O2 `ªeY †hvM Ki‡j 100 Br2  CH3COCH2Br mgxKiY AbymiY K‡i| wewµqvwUi nvi
5
†m‡K‡Û 10 molL 1
Av‡qvwWb Drcbœ nq, wewµqvwUi Mo = k [CH3COCH3] [OH–] n‡j Gi MwZ‡eM †Kvb wewµqK¸‡jvi
MwZ‡eM KZ? NbgvÎvi Ici wbf©i K‡i?
A. 0.03107 mol L1S1 A. A¨vwm‡Uvb I †eªvwgb B. A¨vwm‡Uvb I ¶vi
B. 0.03105 mol L1s1 C. ¶vi I †eªvwgb D. A¨vwm‡Uvb, ¶vi I †eªvwgb
C. 1.0107 mol L1s1 Soln: B
D. 1.0103 mol L1s1 54. †Kvb cÖ_g µg wewµqvi nvi aªæe‡Ki gvb 1.1510–3 s–1 n‡j,
E. 0.3107 mol L1s wewµqvwUi 5g wewµqK 3g -G n«vm †c‡Z KZ wgwbU jvM‡e?
Soln:C A. 4.4 min B. 7.4 min
45. ivmvqwbK Zwor †Kv‡li D‡jøwLZ †KvbwU‡Z RviY N‡U? C. 5.8 min D. 3.5 min
n
A. K¨v‡_vW B. A¨v‡bvW Sol :B
C. ms‡hvM Zvi D. jeY †mZz
 |

55. GKwU cÖ_g µg wewµqvi cÖvew¤¢K NYgvÎv hw` 0.62 M †_‡K 0.52 M A. 0.142 atm B. 0.185 atm C. 0.220 atm D. 0.125 atm
G n«vm †c‡Z 15 min mgq jv‡M, Z‡e wewµqvwUi Aa©vqy n‡e- Soln:A
A. 7.5 min B. 46.5 min 66. 25C ZvcgvÎvq GKwU mvg¨ve¯’v †`Iqv Av‡Q; NH 4 Cl (s) ⇌
C. 29.6 min D. 59.2 min NH4+(aq)+Cl–(aq) (H = +3.5 kcal mol–1)
n
Sol :D A. decreasing the temperature to 15C
56. †Kvb cÖ_g µg wewµqvi Aa©vqy 45 wgwbU n‡j wewµqvwUi nvi aªæeK B. increasing the temperature to 35C
C. dissolving NaCl crystals in the equilibrium mixture
KZ? D. dissolving NH4NO3 crystals in the equilibrium mixture
A. 4.6210–2 mm B. 5.14  10–2 mim–1 Soln:B
C. 1.5410–2 min–1 D. 0.154  10–2 min–1 67. N2 + 3H2  2NH3 GKwU M¨vmxq wewµqv, G‡Z Kp I Kc Gi
Soln:C m¤úK© wb‡gœi †KvbwU?
57. GwmW cÖfve‡Ki Dcw¯’wZ‡Z CH3COOCH3 + H2O  A. Kp = Kc(RT)2 B. Kp = Kc(RT)1.5
C. Kp = Kc(RT)–2 D. Kp = Kc(RT)
CH3COOH + CH3OH wewµqvwUi µgt (2008-2009)
Soln:C
A. 0 B. 1 C. 1.5 D. 2 68. wb‡gœi wewµqvi mvg¨aªgœeK Kc Gi mwVK GKK †KvbwU?
n
Sol :B
W(aq) + 2x(aq) ⇌ 2y(aq) + 3z(aq)
58. 1g µg wewµqvq mgq AwZevwnZ nevi m‡½ m‡½ wewµqvwUi nvi-
A. mol dm–3 B. mol2 dm–6
A. mij‰iwLKfv‡e ev‡o B. A¨vwmg‡UvwUKfv‡e K‡g C. mol–1dm3 D. mol–2dm6
C. mij‰iwLKfv‡e K‡g D. A¨vwmg‡UvwUKfv‡e ev‡o n
Sol :B
n
Sol :C 69. cUvwkqvg cvig¨v½v‡bU- †mvwWqvg AK&ªv‡jU UvB‡Uªk‡b wb‡gœi
59. ivmvqwbK wewµqvi nv‡i †KvbwU cÖfve †d‡j bv? †KvbwU Zzwg e¨envi Ki‡e?
A. methyl orange B. starch
A. NbgvÎv B. cÖfveK C. eY© D. ZvcgvÎv C. diphenylamine D. no indicator
Soln:C Soln:D
60. †Kvb cÖ_g µg wewµqvi Aa©vqy 30 min n‡j wewµqvwUi nvi aªæeK 70. N2(g) + 3H2(g) ⇋ 2NH3(g) wewµqvwU Zv‡cvrcv`x| wewµqvwU
KZ? m¤ú‡K© wb‡gœi †Kvb Dw³wU mwVK bq?
A. 0.2310 min-1 B. 0.0231 min-1
C. 2.310 min-1 D. 0.00231 min-1 A. Equilibrium constant decreases with temperature
Soln:B B. Catalyst increases the rate of the reaction
61. wewµqvi Aa©vqyi Rb¨ mve©Rbxb mgxKiY †Kvb&wU? C. Equilibrium constant increases with pressure
0.693 k D. Yield of NH3 increases with pressure
A. t1 / 2  B. t1 / 2  Soln:C
k an
k k 71. wb‡gœi †Kvb Ae¯’vi cwieZ©‡bi d‡j mvg¨ve¯’vi mvg¨vsK K
C. t1 / 2  D. t1 / 2  2 cwieZ©b n‡e?
a a
n
Sol :A A. Temperature B. Pressure
62. GKwU cÖ_g µg wewµqvi cÖviw¤¢K NbgvÎv 0.6 mol/dm †_‡K 3 C. Concentration of reactants D. Concentration of products
0.2 mol/dm3- G n«vm †c‡Z 5.0 wgwbU mgq jvM‡j wewµqvi nvi Soln:A
aªæeK KZ? 72. A + 3B ⇌ C + 2D wewµqvwUi Kc Gi gvb n‡e-
1 1 A. [A] [B]3/ [C] [D] B. [C] [D]2 / [A] [B]3
A. 0.219 min B. 5.493 min
C. 1.098 min1 D. 0.138 min1 C. [A] [3B] / [C] [2D] D. None of the above
Soln:A Soln:B
63. wØZxq µ‡gi wewµqvi †eM aªæe‡Ki GKK- 73. †Kvb wewµqvq n Gi gvb 0.5| KZ †Kjwfb ZvcgvÎvq wewµqvwU
A.s-1 B. L.mol-1s-1 KP Ges KC Gi gvb h_vµ‡g 32.5 I 2.5 n‡e-
C. mol .s -1
D. aªæeK (R = 0.0821 L atm K1 mol1)?
n
Sol :B A. 273 K B. 388.26 K
64. ZvcgvÎv e„w× Ki‡j wb‡¤œ D‡jøwLZ wewµqvq Av‡gvwbqvi Drcv`b C. 934.2 K D. 2058.46 K
wKfv‡e cÖfvweZ n‡e? Soln:D
N2(g) + 3H2(g) ⇌ 2NH3(g); H = –92 kJ/mol 74. wb‡gœi †Kvb wewµqvq Pvc e„w×i d‡j mvg¨ve¯’vq Drcv‡`i cwigvY
A. Increase B. Decrease e„w× cvq?
C. Remain same D. None of these
Soln:B A. H2 (g)+Br2 (g)⇌2HBr (g)
65. 18.5% N2O4 25C ZvcgvÎvq Ges 1 atm Pv‡c we‡qvwRZ n‡j
B. 2NO2 (g)+7H2 (g) ⇌ 2NH3 (g)+4H2O (g)
Kp Gi gvb KZ?
 |

84. GKwU Ave× cv‡Î nvB‡Wªv‡Rb I Mvp †e¸wb e‡Y©i Av‡qvwWb wb‡gœi
C. CO2 (g)+C (s)⇌2CO (g)
KZ ZvcgvÎvq (C) †i‡L w`‡j nvB‡Wªv‡Rb Av‡qvWvBW Drcbœ nq?
D. CaCO3 (s)⇌CaO (s)+CO2 (g) A. 450 B. 550 C. 350 D. 250
Soln:B Soln:A
85. wb‡gœi †KvbwU B_vBj B_v‡bv‡qU? (10–11)
75. wb‡gœi †Kvb wewµqvwUi Kp= Kc?
A. C2H5OH B. CH3CO2C2H5
A. PCl5 (g) ⇌PCl3 (g)+Cl2 (g) B. N2 (g)+3H2 (g) ⇌ 2NH3 (g) C. CH3COOH D. CH3COONa
Soln:B,
C. 2HI (g) ⇌H2 (g)+I2 (g) D. CO(g)+2H2(g)⇌CH3OH (g) A. C2H5OH  B_vbj
Soln:C
B. CH3COONa  †mvwWqvg B_vb‡qU
76. N2 (g)+3H2 (g)⇌2NH3 (g) wewµqvwUi Kp Ges Kc Gi g‡a¨ C. CH3COOH  B_v‡bvwqK GwmW
m¤úK©wU nj- 86. mvg¨ aªæeK msµvšÍ wb‡gœi †Kvb dg~©jvwU mwVK bq?
A. Kp=Kc(RT)2 B. Kp=Kc(RT)2 [L]l [M ]m [ N ]n PLl  PM m  PN n
C. Kp=Kc(RT)4 D. Kp=Kc(RT)3 A. K c  B. K p 
a b
[A ] [B] [C] c
PAa  PBb  PCc
Soln:B,
77. wewµqvi mvg¨e¯’v aªæeK †Kvb&wUi Dci wbf©ikxj? C. Kp = Kc(RT)n D. n > = 0 me©¶Y
A. wewµq‡Ki NbgvÎv B. ZvcgvÎv Soln:D
C. Pvc D. cÖfveK 87. GKwU wbw`©ó ZvcgvÎv Ges mg‡q †h †Kvb wewµqvq nvi
Soln:B
wewµqK¸‡jvi mwµq f‡ii mv‡_ wbgœewY©Ziƒ‡c m¤úwK©Z?
78. wb‡gœi †Kvb wewµqvwUi Kp = Kc ?
A. mgvbycvwZK B. e‡M©i mgvbycvwZK
A. PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) C. eM©g~‡ji mgvbycvwZK D. e¨v¯ÍvbycvwZK
B. N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Soln:A
C. 2SO2 (g) + O2 (g) ⇌ 2SO3 (g) 88. 1 L (WvBA‡·b) `ªveK C2H5OH I CH3CO2H Gi cÖwZwUi 1
†gvU wewµqv K‡i ci cÖ‡Z¨K weKvi‡Ki GK †gv‡ji GK-Z…Zxqvsk
D. 2HI (g) ⇌ H2 (g) +I2 (g)
Soln:D Aewkó _v‡K, ZLb mvg¨ve¯’v AwR©Z nq| G Ae¯’vq wewµqvwUi
79. H2+Cl2  2HCl +44 kcal mgxKiYwU we‡ePbv Ki| wb‡Pi †Kvb mvg¨ve¯’v aªeK (K) KZ?
KvRwU GB wewµqvi mvg¨ve¯’v‡K Drcv‡`i w`‡K mwi‡q †`‡e? A. K = 1 B. K = 2 C. K = 1 D. K = 4
A. H2 †hvM Kiv n‡j B.Cl2 mwi‡q wb‡j 4
C. HCl †hvM Kiv n‡j D. ZvcgvÎv e„w× Kiv n‡j Soln:D
Soln:A 89. wb‡Pi Dcv`b¸‡jvi g‡a¨ †KvbwU mvg¨ aªæeK, Kc cwieZ©b Ki‡Z
80. GKwU wewµqvq cÖfve‡Ki cÖfve--- cv‡i? (07-08, 06-07)
A. mvg¨ve¯’v‡K Drcv‡`i w`‡K mwi‡q †`‡e
A. Pvc B. ZvcgvÎv C. NbgvÎv D. cÖfvK
B. †Kej AMÖMvgx wewµqvi MwZ e„w× K‡i n
Sol :B
C. AMÖ-cðvr Dfq w`‡K wewµqvi MwZ mgvbfv‡e e„w× K‡i
D. cðvrMvgx wewµqvi MwZ e„w× K‡i 90. †KvbwU mgmË¡ mvg¨ve¯’vi D`vniY bq?
Soln:C
A. 2SO2(g)+O2(g)⇋2SO3(g)
81. H2 (g) +I2 (g)  2HI (g) H = - 13 kJ/mol wewµqvwU 100C
ZvcgvÎvq mvg¨ve¯’vq Av‡Q| wb‡Pi †Kvb Ae¯’vwUi Rb¨ nvB‡Wªv‡Rb B. CaCO3(s)⇋CaO(s)+CO2(g)
Av‡qvWvB‡Wi kZKiv nvi mvg¨ wgkÖ‡Y †e‡o hv‡e? C. N2(g)+H2(g)⇋2NH3(g) D. H2(g)+I2(g)⇋2HI(g)
A. Pvc Kg‡j B. ZvcgvÎv Kg‡j Soln:B
C. Pvc evo‡j D. ZvcgvÎv evo‡j 91. wb‡Pi †Kvb †Rvov †hŠM Lvevi wn‡m‡e cvIqv hvq?
Soln:B
A. A¨vwmwUK GwmW I mvBwUªK GwmW
82. DfgyLx wewµqv‡K GKgyLx Kivi †¶‡Î †KvbwU cÖ‡hvR¨?
A. wewµqK¸‡jv hw` KwVb ev Zij nq Ges GKwU Drcv` M¨vmxq nq B. A¨vwmwUK GwmW I bvBwUªK GwmW
B. GKwU Drcv` `ªeY †_‡K Aatw¶ß n‡j C. mvBwUªK GwmW nvB‡Wªv‡K¬vwiK GwmW
C. †Kvb Drcv`‡K ivmvqwbK wewµqvi gva¨‡g mwi‡q wb‡j D. †ebRwqK GwmW I mvBwUªK GwmW
D. meKwUB Soln:A
Soln:D
83. †nevi c×wZ‡Z NH3 cÖ¯‘wZ GKwU- 92. N2(g)+3H2(g) ⇄ 2NH3(g) + 46 KJmol1 wewµqvwU
A. Zv‡cvrcv`x wewµqv B. Zvcnvix wewµqv cÖfve‡Ki Dcw¯’wZ‡Z wb‡gœi †Kvb Ae¯’vq A¨v‡gvwbqvi myweavRbK
C. mvg¨ve¯’vi wewµqv D. mvg¨ aªæeK wewµqv
Soln:A
 |

Drcv`b wbwðZ Ki‡e? N2(g) + 3H2(g) ⇌ 2NH3(g) + 46 A. He B. Ne

KJmol1) C. Ar D. Kr E. Rn Soln:C
A. AwaK ZvcgvÎv I AwaK Pvc B. Kg ZvcgvÎv I Kg Pvc 102. Na2CO3 Gi Rjxq `ªeY †Kvb cÖK…wZi?
C. Kg ZvcgvÎv I AwaK Pvc D. AwaK ZvcgvÎv I Kg Pvc A. GwmWxq B. ¶vixq
n
Sol :C C. wbi‡c¶ D. Dfqag©x E. me¸‡jv Soln:B
93. wb‡gœi †Kvb wewµqvwUi Kp I Kc Gi gvb mgvb? 103. H2+I2 ⇄2HI wewµqvwUi †¶‡Î †Kvb&wU cÖ‡hvR¨?
A. PCl5(g)⇄ PCl3(g)+Cl2(g) B. N2(g)+3H2(g)⇄ 2NH3(g) A. Kp>Kc B. Kp=KC
C. Kp<Kc D. Kp=Kc E. †KvbwUB mwVK bq
C. 2SO2(g)+O2(g)⇄ 2SO3(g) D. 2HI(g)⇄ H2(g)+l2(g)
Soln:B
Soln:D 104. evqygÛ‡j †Kvb& wbw®Œq †gŠ‡ji cwigvY m‡e©v”P?
A. He B. Neon
94. mvg¨aªæeK Gi †¶‡Î cÖ‡hvR¨-
C. Argon D. wµcUb E. †Rbb
A. wewµqvi MwZ m¤^‡Ü aviYv †`q Soln:C
B. wewµqvi e¨vwß m¤^‡Ü aviYv †`q 105.N2 + 3H2  2NH3 + Zvc : wewµqvwUi †¶‡Î †Kvb&wU wg_¨v?
C. Pv‡ci cwieZ©‡b mvg¨aªæe‡Ki cwieZ©b nq A. wewµqvi d‡j Zvc Drcbœ nq
D. cÖfve‡Ki Dcw¯’wZ‡Z mvg¨aªæe‡Ki cwieZ©b nq B. bvB‡Uªv‡R‡bi cwigvY evo‡j Drcv`‡bi cwigvY ev‡o
Soln:B C. Pvc evo‡j Drcv`‡bi cwigvY e„w× cvq
95. wb‡Pi wbw®Œq M¨vm ¸wji g‡a¨ †KvbwU ZijxKiY Kiv mnR? D. AvqZb ms‡KvPb Ki‡j Drcv`‡b cwigvY e„w× cvq
E. ZvcgvÎv e„w× Ki‡j Drcv`‡bi cwigvY e„w× cvq
A. He B. Ne C. Ar D. Kr
Soln:E
Soln:A
106. 100 ml Rjxq `ªe‡Y GKwU `ye©j Gwm‡Wi cwigvY 6.7 mmol Ges
96. 800C G H2 I I2- Gi g‡a¨ wewµqvwU mvg¨ve¯’vq DcbxZ nq Dnvi †mvwWqvg je‡Yi cwigvY 4.5 mmol `ªeYwUi pH 4.6
H2(g) + I2(g) = 2HI (g). H = -13 kj/†gvj| wb‡gœi †Kvb& kZ©wU `ªeYwU‡Z 900 ml cvwb †hvM K‡i 10 ¸Y cvZjv Kiv n‡jv|
cwieZ©b Kiv n‡j mvg¨e¯’vq wgkÖ‡Y HI- Gi cwigvY e„w× cv‡e- `ªeYwUi pH KZ n‡e?
A. Pvc n«vm B. Zvc n«vm C. Pvc e„w× D. Zvc e„w× A. 3.6 B. 4.6 C. 5.6 D. 14
n Soln:B
Sol : B
107. 25 C DòZvq N2O4 Ges NO2 Gi mvg¨ve¯’vq wgkÖ‡Y Zv‡`i
97. wb‡Pi wewµqvq ZvcgvÎv evov‡j- AvswkK Pvc h_vµ‡g 0.69 Ges 0.31 atms. N2O4 we‡qvRb
PCl5 (g) ⇌ PCl3 (g) + Cl2 (g); H = 90 kJ mol–1 wewµqvq Kp Gi gvb KZ?
A. 0.2726 atms B. 0.139 atms
A. wewµqvwUi mvg¨ve¯’v evg w`K †_‡K Wvb w`‡K hv‡e
C. 0.449 atms D. 0.898 atms
B. wewµqvwUi mvg¨ve¯’v Wvb w`K †_‡K evg w`‡K hv‡e Soln:B
C. PCl5 (g) Gi cwigvY †e‡o hv‡e 108. N 2(g )  3H 2(g ) ⇄ 2NH3(g ) H   92kJ mole1 ,
D. PCl3 (g) Gi cwigvY K‡g hv‡e
wewµqvq ZvcgvÎv evov‡j mvg¨ve¯’v †Kvb w`‡K AMÖmi n‡e?
Soln:A A. m¤§yL w`‡K B. cðvr w`‡K C. w¯’i _vK‡e D. †KvbwUB bv
98. GKwU DfgyLx wewµqvi Drcv`K I wewµqK meB M¨vm| 27C Soln:B
ZvcgvÎvq Kp I Kc Gi AbycvZ 620:1 n‡j wewµqvwU‡Z 109. 2SO 2(g )  O 2(g )  2SO 3(g )  Zvc wb‡Pi †Kvb Ae¯’vi
†gvjmsL¨vi (n) KZ cwieZ©b nq? cwieZ©b NUv‡j mvg¨ve¯’v Wvbw`‡K mi‡e?
A. 1 B. 4 C. 3 D. 2 A. cÖfveK †hvM Ki‡j B. AwZwi³ O2 †hvM Ki‡j
Soln:D C. Pvc Kgv‡j D. ZvcgvÎv evov‡j
99. A B + C wewµqvi mvg¨v¼ gvb 10 n‡j, wecixZ wewµqvi Soln:B
mvg¨v‡¼i gvb KZ? 110. 2A 2(g )  B2(g )  2A 2 B(g ) wewµqv mvg¨ve¯’vq NbgvÎvi
A. 100 B. 10 gvb h_vµ‡g [A2] = 0.5 mol/L, [B2] = 0.1 mol/L Ges [A2B]
C. 1 D. 0.1 E. 0.01 = 2.0 mol/L n‡j mvg¨vaªæeK Kc KZ GKK?
Soln:D A. 0.1 B. 2.6 C. 160 D. 40
100. †KvbwU wbw®Œq M¨vm bq? Soln:C
A. wnwjqvg B. wbqb 111. 25C ZvcgvÎvq I 1.5 evqyPv‡c 15.6% PCl5 we‡qvwRZ nq| D³
C. AvM©b D. †Rbb E. Kve©b WvB A·vBW we‡qvR‡b Kp Gi gvb n‡”Q:
Soln:E A. 0.4912 atm. B. 0.0534 atm.
101. evqygÛ‡j wb‡gœi †KvbwU me‡P‡q †ekx cvIqv hvq? C. 0.0374 atm. D. 0.3465 atm.
 |

Soln:C A. 12 B. 13 C. 12.6 D. 13.5

Soln:C
112. N2(g) + 3H2(g) ⇌ 2NH3(g) + 92.2 kj/mol wewµqvwUi Rb¨
122. `ªe‡Y GKwU `ye©j ¶viK Zvi je‡Yi Dcw¯’wZ‡Z AviI `ye©j nevi
wb‡gœi †Kvb& Dw³wU mZ¨ bq?
KviY-
A. ZvcgvÎv evov‡j Drcv` ev‡o
A. Av`ªwe‡kølY B. cÖkgb C. AvqbxKiY D. mg-Avqb cÖfve
B. Pvc evov‡j Drcv`b ev‡o
Soln:D
C. ZvcgvÎv Kgv‡j Drcv` ev‡o
123. †Kvb jeYwUi Rjxq `ªeY ¶vixq?
D. N2 I H2 †hvM Ki‡j Drcv` ev‡o A. NH4Cl B. KCl C. NaCN D. AgNO3
Soln:A n
Sol :C
113. †Kvb DfgyLx wewµqvi ∆n Gi gvb ½. KZ †Kjwfb ZvcgvÎvq 124. NaOH Øviv CH3COOH †K UvB‡Uªk‡bi Rb¨ Dchy³ wb‡`©kK
wewµqvwUi Kp I Kc Gi gvb hv_vµ‡g 40.5 I 5.5 n‡e?
n‡jv-
(R = 0.082 L.atm. K-1.mol-1)
A. 220.5 K B. 661.26 K C. 66.26 K D. 22.26 K A. †dbjd_¨vwjb B. wg_vBj A‡iÄ
Soln:B C. wg_vBj †iW D. †h †Kvb wb‡`©kK
114.298 K ZvcgvÎvq mvg¨ve¯’vq N2O4 Gi we‡qvRb wgkÖ‡Y N2O4 Gi Soln:A
AvswkK Pvc 0.8 atm Ges wewµqvwUi Kp = 0.008 atm| NO2 125. Zxeª GwmW I g„`y ¶vi cÖkg‡b †Kvb wb‡`©kK e¨eüZ nq?
Gi AvswkK Pvc wbY©q Ki| A. wjUgvm B. wg_vBj A‡iÄ
A. 0.0064 atm B. 0.08 atm C. wdbjd_¨vwjb D. _vBgj eøy
C. 0.01 atm D. 0.064 atm Soln:B Soln:B
115.30C ZvcgvÎvq 3.0 atm Pv‡c 15.6% PCl5 we‡qvwRZ nq| D³ 126. cvwb †Kvb ˆewkó¨ cÖ`k©b K‡i?
ZvcgvÎvq Kp Gi gvb n‡e- A. A¤øxq B. ¶vixq C. wbi‡c¶ D. me¸‡jv
A. 7.48102 atm B. 7.48101 atm Soln:D
C.7.48103 atm D. 6.48102 atm Soln:A 127. †Kvb `ªe‡Yi pH 4 n‡j H `ªe‡Y OH- Avq‡bi NbgvÎv n‡e-
A. 10-11 mol l-1 B. 10-10 mol l-1
116.†Kvb wewµqvq wewµqK I Drcv`‡Ki †gvj msL¨v hLb mgvb nq, C. 10-4 mol l-1 D. 10-9 mol L-1
ZLb- n
Sol :B
A. Kp = Kc B. Kp = Kc2 C. Kp + Kc D. Kp  Kc 128. Rjxq `ªe‡Y †dbd‡_wj‡bi eY© cwieZ©‡bi pH-cwimi n‡e-
Soln:A, n Gi gvb k~b¨ n‡j Kp = Kc nq, A. 7.0-9.0 B. 6.5-8.5 C. 8.3-10.0 D. 5.5-7.0
†hgb: H2 + I2 2HI Gi †¶‡Î n = 0 Soln:C
myZivs G‡¶‡Î KP = KC 129. †Kvb je‡Yi Av`ª© we‡køl‡Yi A¤-xq `ªeY ˆZix nq?
117. †Kvb wewµqvwUi Kc-Gi GKK mol–1 L? A. NaCl B. NH4Cl C. Na2CO3 D. KNO3
n
A. N2O4 = 2NO2 B. 2NH3 = N2 + 3H2 Sol :B
C. 2NO + O2 = 2NO2 D. N2 + 3H2 = 2NH3 130. w¯’i ZvcgvÎvq N2(g) + 3H2(g)  2NH3(g) + 92.22 kJ
Soln:C wewµqvwUi mvg¨ve¯’vq Pvc e„w× Ki‡j Kx NU‡e?
118. †Kvb wewµqvwUi Kp-Gi gvb Dnvi Kc-Gi gvb A‡c¶v eo? A. mvg¨ Wvb w`‡K AMÖmi n‡e B. mvg¨ evg w`‡K AMÖmi n‡e
A. N2 + 3H2O = 2NH3 B. H2 + I2 = 2HI C. mvg¨ w¯’i _vK‡e D. †KvbUvB bq
C. PCl3 + Cl2 = PCl5 D. 2SO3 = 2SO2 + O2 Soln:A
Soln:D 131. Kp I Kc - Gi g‡a¨ m¤úK©wU n‡et
119. Ave× cv‡Î msNwUZ †Kvb DfgyLx wewµqvi mvg¨aªæe‡Ki gvb‡K A. Kp = Kc (RT)n B. Kp= (RT)- n
cÖfvweZ K‡i? C. Kp = KcRTn D. Kp-KcRnT
A. wewµq‡Ki cwigvY e„w× B. Drcv‡`i cwigvY n«vm Soln:A
C. cÖfve‡Ki Dcw¯’wZ D. ZvcgvÎvi cwieZ©b 132. weï× cvwb‡Z OH- Avq‡bi NbgvÎv KZ?
Soln:D A. 10-8 mol L-1 B. 10-7 mol L-1
120. N2(g) + 3H2(g) ⇔ 2H3(g) wewµqvwUi †¶‡Î †KvbwU mwVK?
-6 -1
C. 10 mol L D. 10-5 mol L-1
n
A. Zvc evov‡j Drcv`b ev‡o B. Pvc evov‡j Drcv`b K‡g Sol :B
133. evqygЇji CO2 cvwb‡Z `ªexf‚Z n‡q †h GwmW ˆZix K‡i Zvi bvg-
C. Pvc evov‡j Drcv`b ev‡o
A. Kve©vwgK GwmW B. Kv‡e©vwjK GwmW
D. mKj Zvc I Pv‡c Drcv`b AcwiewZ©Z _v‡K
Soln:C C. Kve©wbK GwmW D. Kv‡e©v‡bU GwmW
n
121. Rjxq 0.02 M Ba(OH)2 `ªe‡Yi pH gvb- Sol :C
 |

134. GKwU `ªe‡Yi pH 4.25 n‡j [H+] KZ †gvj/wjUvi? A. 103 B. 102 C. 10-3 D. 5
A. 5.610-5 B. 5.210-5 C. 5.010-5 D. 5.610-6 Soln:C
Soln:A 146. wb‡Pi †Kvb& `ªe‡Yi pH 7.0 A‡c¶v †ewk?
A. 0.01M CH3COOH B. 0.01M NaCl
135. A¨vwmwUK Gwm‡Wi Ka Gi gvb 1.8 10-5 n‡j 0.3M A¨vwmwUK C. 0.01M NH4Cl D. 0.01M Na2CO3
Gwm‡Wi Rjxq `ªe‡Yi pH KZ? Soln: D
A. 1.63 B. 2.06 C. 2.63 D. 2.03 147. GKwU `ªe‡Yi pH n‡jv 5.0| GB `ªe‡Yi g‡a¨ ch©vß cwigvY GwmW
n
Sol :C †hvM K‡i Gi pH 2.0-†Z bvwg‡q Avbv n‡jv| G‡Z `ªe‡Y H+ Gi
136. cvK¯’wji cvPKi‡m pH Gi gvb 1.4 n‡j H+ Avq‡bi NbgvÎv KZ? NbgvÎvi e„w× n‡jv-
A. 0.0488 M B. 0.02782 M A. 1000 times B. 2.5 times
C. 0.0398 M D. 0.0598 M C. 100 times D. 5 times
137.0.01 mol/L NbgvÎv wewkó nvB‡Wªvwbqvg Avqb (H3O+) `ªe‡Yi Soln:A
pOH KZ? 148. 0.1 M nvB‡Wªv‡K¬vwiK Gwm‡Wi pH gvb KZ?
A. 2 B. 12 C. 10 D. 14 A. 0.1 B. 1.0
Soln:B C. 1.1 D. 10.1
138. wb‡gœi †KvbwU AmZ¨? Soln:B
A. NH+ 4 is the conjugate acid of base NH3 149. wb‡æi †Kvb&wU pH-Gi cwieZ©‡bi mv‡_ is cwieZ©b K‡i bv?
B. NH3 and H2O are conjugate pair A. †dbj †iW B. wbDUªvj †iW
C. OH– is the conjugate base of acid H2O C. †dbjd_¨vwjb D. wg_vBj fv‡qv‡jU
D. OH– and H2O are conjugate pair Soln:C
Soln:B 150. wb‡gœi †Kvb Gwm‡Wi pka = 3.74?
139. wb‡gœi wgkªYmg~n †_‡K evdvi `ªeYwU kbv³ KiÑ A. diwgK B. webRwqK
A. 0.2 M 10 mL CH3COOH + 0.2 M 10 mL NaOH
C. A¨vwmwUK D. UªvB‡K¬viv A¨vwmwUK
B. 0.2 M 10 mL CH3COOH + 0.1 M 10 mL NaOH
Soln:A
C. 0.1 M 10 mL CH3COOH + 0.2 M 10 mL NaOH
151. wb‡gœi †Kvb pH Gi Dc‡i n‡j gvwUi De©iZv webó nq?
D. 0.2 M 10 mL HCL + 0.1 M 10 mL NaoH
A. 6.5 B. 7.5 C. 9.5 D. 8.5
Soln:B n
Sol :C
140. 20 ml 0.2 M B_vbwqK GwmW (ka = 1.0  10–5) Ges 20 ml
152. wb‡gœi †KvbwU †dbj †iW-Gi eY© cwieZ©‡b pH Gi cwimi?
0.10 M NaOH `ªe‡Yi wgkª‡Yi gva¨‡g cÖ¯‘ZK…Z evdvi `ªe‡Yi
A. 6.88.4 B. 8.310.0 C. 3.85.4 D. 3.14.4
pH nj-
Soln:A
A. 4.7 B. 5.0 C. –4.7 D. 7.0
153. gvby‡li agbxi i‡³i pH Gi gvb 7.4 n‡j, i‡³ nvB‡Wªv‡UR Avq‡bi
Soln: A
NbgvÎv KZ?
141. 0.002M mvjwdDwiK GwmW `ªe‡Yi pH nj-
A. 3.89  10–7 mol L–1 B. 3.98  10–7 mol L–1
A. 2.70 B. 4.20 C. 2.40 D. 3.00
n C. 3.98  10–8 mol L–1 D. 3.89  10–8 mol L–2
Sol :C
n
142. wb‡Pi †Kvb `ªe‡Yi pH 7.0 A‡c¶v †ekx? Sol :C
154. Pvlvev‡`i Rb¨ gvwUi pH KZ nIqv cÖ‡qvRb?
A. 0.01 M CH3COOH B. 0.01 M NaCl
C. 0.01 M NH4Cl D. 0.01 M Na2CO3 A. 3-4 B. 4-5 C. 7-8 D. 10-11
Soln:D Soln:C
143. wb‡gœi †KvbwU evdvi `ªeY? 155. Zxeª GwmW I g„`y ¶viK UvB‡Uªk‡b e¨eüZ Dc‡hvMx wb‡`©kK wb‡gœi
A. CH3COOH & NaOH B. CH3COOH & CH3COONa †KvbwU?
C. NaOH & Na2CO3 D. HCl & NaCl Soln:B A. wg_vBj A‡iÄ B. wg_vBj †iW
2
144. GKwU d‡ji i‡m nvB‡Wªv‡Rb Avq‡bi NbZ¡ 3.310 M n‡j H C. †dbjd&_¨vwjb D. _vBgj_¨vwjb
i‡mi pH KZ? Soln:A, B
A. 2.00 B. 1.48 C. 4.48 D. 2.18 156. wb‡gœi KZ pH Gi †ewk cwiewZ©Z n‡j gvby‡li Rxeb msKUvcbœ
C. Kp=Kc(RT)1 D. Kp=Kc(RT) nq?
Soln:B A. 0.7 B. 0.5 C. 0.8 D. 0.6
145. hw` †Kvb `ªe‡Yi pH -Gi gvb 2 †_‡K 5 -G cwieZ©b Kiv nq Z‡e Soln:A,B
`ªe‡Y H+ Avq‡bi NbgvÎv KZ ¸Y Kg‡e? 157. wbi‡c¶ Zi‡ji pH wb‡gœi †KvbwU?
 |

A. 7 B. 5 C. 12 D. 14 A. 4.0  108 molL1 B. 4.0  107 molL1

Soln:B C. 1.0  107 molL1 D. 1.4  107 molL1
158. †KvbwU mwVK bq? Soln:A
A. †nìvimb n¨v‡mjevK mgxKi‡Yi mvnv‡h¨ jeY I Gwm‡W 168. 0.1 M nvB‡Wªv‡K¬vwiK Gwm‡Wi pH gvb KZ?
NbgvÎv †_‡K GKwU evdvi `ªe‡Yi ARvbv pH MYbv Kiv hvq| A. 0.1 B. 1.0 C. 1.1 D. 10.1
B. GKwU c`v_© wfbœ wfbœ †¶‡Î GwmW I ¶viK Dfq wn‡m‡e Soln:B
KvR Ki‡Z cv‡i 169. †Kvb `ªe‡Yi pH Gi gvb 8.45 n‡j `ªe‡Y nvB‡Wªv‡Rb Avq‡bi
C. wKQz wKQz mg‡hvRx †hŠM †cvjvi `ªve‡K `ªexf~Z n‡j we`y¨r NbgvÎv KZ n‡e? (2008-2009)
cwienb Ki‡Z cv‡i A. 5.00104 M B. 3.55109 M
D. RCOOH Ges NH4OH g„`y Zwor we‡kø‡l¨i D`vniY| C. 1.82103 M D. 9.25101 M
Soln:A Soln:B
170. AYyeÜx GwmW I ¶viK hyM‡ji g‡a¨ cv_©K¨ wK?
159. bx‡Pi †Kvb `ªeYwUi pH gvb †ewk?
A. GKwU H cigvYy B. GKwU H+ Avqb
A. 0.01 M HCl B. 0.01 M HNO3
C. GKwU AYy cvwb D. GKwU OH Avqb
C. 0.01 M HClO4 D. 0.01 M CH3COOH
Soln:B
Soln:D
171. wb‡gœi †Kvb hyMj evdvi `ªeY ˆZix K‡i?
160. GKwU evdvi `ªe‡Y 0.2 †gvj `ye©j g‡bv‡ewmK GwmW (pKa = 4.8)
A. CH3COOH and NaOH
Ges 0.02 †gvj Gwm‡Wi †mvwWqvg jeY Av‡Q| Gi pH Gi gvb
B. HCl and NaOH
†KvbwU? C. CH3COOH and CH3COONa
A. 2.8 B. 3.8 C. 4.8 D. 5.5 D. CaCl2 and K2CO3
Soln:B Soln:A
172. GKwU `ªe‡Yi pH = 1.48 n‡j `ªe‡Y nvB‡Wªv‡Rb Avq‡bi NbgvÎv
161. bx‡Pi †Kvb `ªe‡Yi pH 7 A‡c¶v †ewk?
A. 0.01 M NaCl B. 0.01 M CH3COOH KZ n‡e?
C. 0.01 M Na2CO3 D. 0.01 M NH4Cl A. 3.3102 moldm3 B. 0.075 moldm3
Soln:C C. 2.9102 moldm3 D. 2.5 moldm3
162. †dbd_¨vwjb wb‡`©kK A¤øxq `ªe‡Y †Kvb eY© aviY K‡i? Soln: A
A. bxj B. †Mvjvcx C. njy` D. eY©nxb 173. eªb‡óW-jvEix ZË¡ Abyhvqx wb‡Pi †KvbwU GwmW?
n
Sol :D A. Ggb GKwU †hŠM hv †cÖvUb `vb K‡i
163. evdvi `ªe‡Yi †¶‡Î †KvbwU cÖ‡hvR¨? B. Ggb GKwU Avqb hv †cÖvUb `vb K‡i
A. Zxeª GwmW I Zvi jeY B. `ye©j GwmW I `ye©j ¶vi C. Ggb GKwU †hŠM ev †cÖvUb MÖnY K‡i
C. `ye©j GwmW I Zvi jeY D. GwmW I `ye©j wb‡`©kK D. Ggb GKwU †hŠM ev Avqb hv †cÖvUb `vb K‡i
Soln:C Soln:A
174. gvby‡li agbxi i‡³i pH 7.40 n‡j i‡³ H+ Avq‡bi NbgvÎv
164.0.025 M HCl `ªe‡Yi pH KZ?
KZ?
A. 1.0 B. 1.60 C. 1.3 D. 1.2
n
A. 3.98108 mole L1 B. 5.01108 mole L1
Sol :B
C. 2.38108 mole L1 D. 5.01108 mole L1
165.†KvbwU evdvi (buffer) `ªeY?
n
Sol :A
A. CH3COOH + CH3COONa
175. wb‡gœi †KvbwU K¨vUvqwbK †kÖYxi A¤ø?
B. NH4Cl+NH4OH+NaCl
C. CH3COOH+CH3COOHNa A. H2SO4 B. H2CO3
D. NH4OH+NaCl C. CH3COOH2 D. CH3COOH
Soln:A Soln:C
166.†Kvb †Rvov Gwm‡W ZxeªZvi µg fzj? 176. 298K ZvcgvÎvq cvwbi AvqwbK ¸Ydj (Kw) n‡e-
A. CH3COOH > CH3CH2COOH A. 110-7 B. 110-14 C. 210-7 D. 210-14
B. ClCH2COOH > CH3COOH n
Sol :B
C. HClO4> HNO3 177. cvwbi pH Gi †¶‡Î †KvbwU mwVK- (08-2009)
D. HF > HCl Soln:D
A. Pv‡ci Dci wbf©ikxj B. Pv‡ci Dci wbf©ikxj bq
167. gvby‡li i‡³i pH = 7.4 n‡j, nvB‡Wªv‡Rb Avq‡bi NbgvÎv KZ?
C. Zv‡ci Dci wbf©ikxj D. Zv‡ci Dci wbf©ikxj bq
 |

Soln:C Soln:A
178. pH K_vwU †bIqv n‡q‡Q- 190. hw` †Kvb `ªe‡Yi pH = 3.6 nq, Zvn‡j [H+] KZ?
A. Puissanced hydrogen †_‡K A. 2.51  10–4 M B. 3.9  10–3 M
B. Pressured hydrogen †_‡K C. 5.5  10–1 M D. 2.7  10–2 M
C. Puisand hydrogen †_‡K Soln:A
D. Passion hydrogen †_‡K Soln:A 191. wb‡gœi †Kvb&wUi pH me‡P‡q †ekx?
179. 0.001 †gvjvi A¤øxq `ªe‡Yi- pH gvb KZ? A. 0.1 M HCl B. 1.0 M Na2CO3
A. 1.00 B. 2.0 C. 3.0 D. 4.0 C. 1.0M NaCl D. 0.01M NaOH
Soln:C Soln:D
192. me©v‡c¶v `~e©j A¤ø †KvbwU?
180. pH 2-Gi `ªe‡Yi Zzjbvq pH 5-Gi `ªeY KZ ¸Y Kg Avw¤øK?
A. HNO2 B. HNO3
A. 3 B. 10 C. 100 D. 1000 E.105 C. H2SO3 D. H2SO4 E. H3PO4
n
Sol :D Soln:A
181. 106 M NaOH-Gi `ªeY‡K kZ ¸Y jNy `ªe‡Y cwiYZ Ki‡j pH 193. 0.001M KOH `ªe‡Yi pH KZ?
KZ n‡e? A. 3 B. 2
A. 56 B. 67 C. 78 D. 89 E. 910 C. 11 D. 12 E. 13
Soln:E n
Sol :C
182. 0.01M KOH `ªe‡Yi pH KZ? 194. nvB‡Wªv‡Rb Avq‡bi NbgvÎv †ekx n‡j pH Gi gvb-
A. 1 B. 2 C. 5 D. 12 E. 10 A. ev‡o B. K‡g
Soln:D C. cwieZ©b nq bv D. k~b¨ nq E. evdvi nq
183. H2O + NH3 ⇌ NH4+ + OH– wewµqvq cvwb GKwU- n
Sol :B
A. ¶vi B. wbi‡c¶ †hŠM 195. Na2CO3 Gi Rjxq `ªeY †Kvb cÖK…wZi?
C. AYyeÜx ¶viK D. GwmW E. AYyeÜx GwmW A. GwmWxq B. ¶vixq
Soln:D C. wbi‡c¶ D. Dfqag©x E. me¸‡jv
184. †dbjd_¨vwjb wb‡`©k‡Ki eY© cwieZ©‡bi pH n‡”Q- n
Sol :B
A. 8–10 B. 9–12 196. pH wK?
C. 10–14 D. 5–7 E. 6–8 A. pH = -log [OH-] B. pH = log [H']
Soln:A C. pH = - log (H') D. pH = - log [H']
185. 0.001 M NaOH `ªe‡Yi pH KZ? E. pH = log [OH']
A. 11 B. 10 Soln:D
C. 3 D. 14 E. 0.1 197. ¶vi nj Ggb GKwU c`v_© hv GKwU †cÖvUb MÖnY Ki‡Z cv‡i- GwU
n
Sol :A Kvi gZev`?
186. †Kvb `ªe‡Yi PH 4 n‡Z 5 G e„w× †c‡j `ªeYwUi H+ Avq‡bi A. eªb‡óW-jvDwi gZev` B. AvqwbK gZev`
NbgvÎv- C. jyBm gZev` D. Avi†nwbqvm gZev` E. †KvbwUB bq
A. A‡a©K n‡e B. 10 ¸Y K‡g hv‡e Soln:A
C. wظY n‡e D. 10 ¸Y †e‡o hv‡e
198.SO42- Ges PO43- AbyeÜx GwmW n‡”Q-
E. AcwiewZ©Z _vK‡e
A. H2SO4, H2PO4- B. HSO4-,HPO42-
Soln:B C. HSO4-,H2PO4- D. H2SO4,H3PO4
187. †cÖvUbxq gZev` †Kvb mv‡j cÖKvwkZ nq? E. H2SO4,HPO42-
A. 1941 B. 1923 Soln:B
C. 1925 D. 1931 E. 1936
Soln:B 199. 0.365% HCl `ªe‡Yi pH KZ?
188. gvwUi pH KZ _vKv evÃbxq? A. 0 B. 1 C. 2 D. 3 E. 4
A. 6 – 7 B. 7 – 8 Soln:B
C. 8 – 9 D. 5 – 6 E. 0 200. GKwU ˆRe Gwm‡Wi we‡qvRb gvÎv 10% n‡j H Gwm‡Wi 0.001 M
n
Sol :C `ªe‡Yi pH KZ n‡e?
189. 0.01M NaOH `ªe‡Yi pH KZ? A. 1 B. 3 C. 4 D. 0
A. 12 B. 14 Soln:C
C. 10 D. 8 E. 2
 |

201. 100 ml Rjxq `ªe‡Y GKwU `ye©j Gwm‡Wi cwigvY 6.7 mmol Ges Soln:C, H2SO4 GKwU H Z¨vM K‡i HSO4– G cwiYZ nq ZvB
Dnvi †mvwWqvg je‡Yi cwigvY 4.5 mmol `ªeYwUi pH 4.6 H2SO4 Gi KbRy‡MU ¶vi nj HSO4–
`ªeYwU‡Z 900 ml cvwb †hvM K‡i 10 ¸Y cvZjv Kiv n‡jv| 212.†KvbwU AwaK kw³kvjx ¶vi?
A. NH3 B. CH3NH2 C. C6H5NH2 D. N2
`ªeYwUi pH KZ n‡e? Soln:B
A. 3.6 B. 4.6 C. 5.6 D. 14 213.CH3COOH-Gi Rjxq `ªe‡Y CH3COONa †hvM Ki‡j `ªe‡Y-
Soln:B A. H+ msL¨v evo‡e B. pH evo‡e
202. wb‡gœi †KvbwU fzj? C. pH Kg‡e D. †KvbwUB bq
A. 10–2M HCl `ªe‡Yi pH Gi gvb 2 Soln:D
B. 0.01 M Na2CO3 `ªe‡Yi pH Gi gvb 7 †_‡K Kg 214. Rjxq 0.02 M Ba(OH)2 `ªe‡Yi pH gvb-
A. 12 B. 13 C. 12.6 D. 13.5
C. 0.01 M NaOH `ªe‡Yi pH Gi gvb 12
Soln:C
D. 10–9M HCl `ªe‡Yi pH Gi gvb 9 215. `ªe‡Y GKwU `ye©j ¶viK Zvi je‡Yi Dcw¯’wZ‡Z AviI `ye©j nevi
Soln:B KviY-
203. i‡³i g‡a¨ †Kvb evdvi we`¨gvb? A. Av`ªwe‡kølY B. cÖkgb
A. Kve©‡bU-evBKve©‡bU B. evBKve©‡bU-Kve©wbK GwmW C. AvqbxKiY D. mg-Avqb cÖfve
C. Kve©‡bU-Kve©wbK GwmW D. evBKve©‡bU-Kve©WvBU A·vBW Soln:D
n
216. †Kvb jeYwUi Rjxq `ªeY ¶vixq?
Sol :B
A. NH4Cl B. KCl
204. 0.1 M HCl Gi pH KZ? C. NaCN D. AgNO3 Soln:D
A. 1 B. 13 C. 8 D. 6 217. NaOH Øviv CH3COOH †K UvB‡Uªk‡bi Rb¨ Dchy³ wb‡`©kK
n
Sol :A n‡jv-
205. wb‡Pi wewµqvq †KvbwU GwmW, †KvbwU ¶viK? A. †dbjd_¨vwjb B. wg_vBj A‡iÄ
C. wg_vBj †iW D. †h †Kvb wb‡`©kK Soln:A
HNO3 + 2H2SO4 ⇄ H3O+2HSO4⊝+ NO2⊝ 218. Zxeª GwmW I g„`y ¶vi cÖkg‡b †Kvb wb‡`©kK e¨eüZ nq?
A. H2SO4 GwmW, HNO3 ¶viK A. wjUgvm B. wg_vBj A‡iÄ
B. H2SO4 ¶viK, HNO3 GwmW C. wdbjd_¨vwjb D. _vBgj eøy Soln:B
C. H2SO4 Ges HNO3 `ywUB GwmW wnmv‡e AvPiY K‡i 219. cvwb †Kvb ˆewkó¨ cÖ`k©b K‡i?
D. H2SO4 Ges HNO3 `ywUB ¶viK A. A¤øxq B. ¶vixq C. wbi‡c¶ D. me¸‡jv
Soln:A Soln:D
220. †Kvb `ªe‡Yi pH 4 n‡j H `ªe‡Y OH- Avq‡bi NbgvÎv n‡e-
206. 30 cm3 0.12 M NaOH `ªe‡b 15 cm3 0.11 M H 2SO 4 †hvM A. 10-11 mol l-1 B. 10-10 mol l-1
Ki‡j `ªeYwU n‡e- -4
C. 10 mol l -1
D. 10-9 mol L-1 Soln:B
A. A¤øxq B. ¶vixq C. wbi‡c¶ D. jeYv³ 221. Rjxq `ªe‡Y †dbd‡_wj‡bi eY© cwieZ©‡bi pH-cwimi n‡e-
n A. 7.0-9.0 B. 6.5-8.5
Sol :B
C. 8.3-10.0 D. 5.5-7.0 Soln:C
207. jyBm ¶vi †KvbwU? 222. †Kvb je‡Yi Av`ª© we‡køl‡Yi A¤øxq `ªeY ˆZix nq?
A. NaOH B. KOH A. NaCl B. NH4Cl
C. A¨vwgb D. nvBWªw·j A¨vwgb C. Na2CO3 D. KNO3Soln:B
n
Sol :A 223. weï× cvwb‡Z OH- Avq‡bi NbgvÎv KZ?
208. Ca avZz cvwb‡Z wgwkÖZ K‡i Zv‡Z †dbjd_¨vwjb †hvM Ki‡j A. 10-8 mol L-1 B. 10-7 mol L-1
C. 10-6 mol L-1 D. 10-5 mol L-1 Soln:B
`ªeYwUi eY© n‡e- 224. GKwU `ªe‡Yi pH 4.25 n‡j [H+] KZ †gvj/wjUvi?
A. †Mvjvcx B. †e¸bx C. bxj D. eY©nxb| A. 5.610-5 B. 5.210-5
n -5
Sol :A C. 5.010 D. 5.610-6 Soln:B
209. 10 ml 0.1 M A¨vwmwUK GwmW `ªe‡Y 4 ml 0.1 M NaOH `ªeY †hvM 225. A¨vwmwUK Gwm‡Wi Ka Gi gvb 1.8 10 n‡j 0.3M A¨vwmwUK
-5

Ki‡j Drcbœ `ªe‡Yi pH KZ n‡e? [pKa = 4.76] Gwm‡Wi Rjxq `ªe‡Yi pH KZ?
A. 3.58 B. 4.58 C. 6.23 D. 4.32 A. 1.63 B. 2.06 C. 2.63 D. 2.03
n Soln:C
Sol :B
226. cvK¯’wji cvPKi‡m pH Gi gvb 1.4 n‡j H+ Avq‡bi NbgvÎv KZ?
210. wb‡gœi †KvbwU me‡P‡q Zxeª GwmW?
A. 0.0488 M B. 0.02782 M
A. HClO B. HClO4 C. HClO3 D. HClO2 C. 0.0398 M D. 0.0598 M Soln:B
Soln:B 227. 0.1 M HCl `ªe‡Yi pH KZ?
211.H2SO4-Gi KbRy‡MU ¶vi †KvbwU?
A. 1 B. 3 C. 10 D. 12 Soln:A
A. SO32– B. H3O+ C. HSO4– D. H3SO3
 |

228. wb‡`©kK wnmv‡e †Kvb ai‡bi UvB‡Uªk‡bi †¶‡Î wg_vBj †iW C. 2Na + 2HCl  2NaCl + H2
Dc‡hvMx? D. NaOH + HCl  NaCl + H2O Soln:B
A. Zxeª GwmW I Zxeª ¶viK B. Zxeª GwmW I g„`y ¶viK 241. wØ-we‡hvRb wewµqv n‡”Q- (97-98)
C. g„`y GwmW I Zxeª ¶viK D. g„`y GwmW I g„`y ¶viK A. 2H2S + SO2  S + 2H2O
Soln:B B. AgNO3 + NaCl  NaNO3 + AgCl
229. †h `ªe‡Y mvgvb¨ cwigvY A¤ø ev ¶viK †hvM Ki‡jI †mwU wbR¯^ pH C. Na2CO3 + H2O  2NaOH + H2CO3
w¯’i ivLvi ¶gZv iv‡L Zv‡K e‡j- D. Zn + H2SO4  ZnSO4 + H2 Soln:B
A. evdvi `ªeY B. A¤øxq `ªeY 242. `ªeY Zvc ejv nq- (99-00)
C. ¶viKxq `ªeY D.†KvbwUB bq Soln:A A. `ªeY ˆZixi Rb¨ cÖ‡qvRbxq Zvc‡K|
230. wg_vBj †iW ¶vixq `ªe‡Y wK eY© †`q? B. `ªe‡Yi g‡a¨ †h Zvc we`¨gvb _v‡K|
A. bxj B. Kgjv C. njy` D. jvj Soln:C C. `ªeY cÖ¯‘wZKv‡j Drcbœ ev †kvwlZ Zvc‡K|
D. `ªeY I `ªve‡Ki Zvc‡K GK‡Î| Soln:C
231. HCl(0.1 M) `ªe‡Yi pOH KZ? 243. wb‡gœi †Kvb wewµqvwU Zvcnvix- (98-99)
A. 1 B. 13 C. 2 D. 12 Soln:B
A. C + O2  CO2 B. N2+O2  2NO
232. †Kvb Rjxq `ªeYwU‡Z nvB‡Wªvwbqvg Avq‡bi NbgvÎv me©vwaK?
C. 2H2 + O2  2H2O D. CH4+2O2CO2+H2O
A. HCl (pH = 1) B. CH3COOH (pH = 0.1) Soln:B
C. H2SO4 D. HN3O(pH = 1.5) Soln:A
233. cvwZZ cvwb‡K †Lvjv cv‡Î †i‡L w`‡j wKQyw`b ci Zvi pH KZ 244. †Kvb wewµqvq wewµqK Ges Drcv` hw` w¯’i _v‡K Z‡e wewµqvwU GK
av‡c NUzK ev GKwaK av‡c NUzK bv †Kb, †gvU Zvckw³i cwieZ©b
n‡e?
me©`v mgvb n‡e| GwU‡K †Kvb m~Î e‡j?
A. pH > 7 B. pH < 7
A. j¨vfqwm‡q j¨vcjv‡mi m~Î B. ivD‡ëi m~Î
C. pH = 7 D. pH = 9 Soln:C
C. †nm-Gi Zvc mgwóKiY m~Î D. dvhv‡bi m~Î Soln:C
234. GKwU `ªe‡Yi [OH-]= 3.410-5 M n‡j `ªeYwUi pH KZ? 245. †KvbwU mvjdvi UªvBA·vB‡Wi ag© bq?
A. 7.53 B. 9.53 A. cvwb‡Z mvjwVDwiK GwmW Drcbœ K‡i
C. 10.53 D. 5.53 Soln:B B. KwVb wKš‘ DØvqx
235. wb‡gœi †Kvb wewµqvwU cÖkgY Gb_vjwc, H neutr., cÖKvk K‡i? C. cvwb‡Z Lye †ekx `ªeYxq D. GwU g~jZ weRviK c`v_©
A. H2SO4(aq) + Ca(OH)2(Aq)  CaSO4(aq) + 2H2O(l) Soln:D
B. H2SO4(aq) + 2NH3(aq)  (NH4)2SO4(aq) 246. †KvbwU mwVK bq?
C. HCl(aq) + 1/2 Ca(OH)2(aq)  1/2 CACl2(aq) + H2O(l) A. cix¶vg~jKfv‡e †`Lv †M‡Q †h, Zvcnvix wewµqv¸‡jv mvaviYZ
D. 2HCl(aq) + Ca(OH)2(aq)  CaCl2(aq) + 2H2O(l) ¯^Ztù~Z©fv‡e N‡U _v‡K
Soln:C B. nvBweªwW‡Rkb cÖwµqvq Drcbœ AiweUvj‡K msKi ev nvBweªW
236. 25C ZvcgvÎvq I 1 atm Pv‡c Bw_wjb, nvB‡Wªv‡Rb I B‡_‡bi `nb AiweUvj e‡j
Zvc h_vµ‡g- 1410.91 kJ, –284.24 kJ I –1560.24 kJ. C. †h me Zworwe‡køl¨ c`v_© `ªe‡Y ev MwjZ Ae¯’vq m¤ú~Y©iæ‡c
Bw_wj‡bi weRvi‡Y D™¢~Z Zv‡ci cwigvY KZ? we‡qwRZ n‡q Avq‡b cwiYZ nq Ges Zwor cwienY K‡i Zv‡`i
A. –144.92 kJ B. 244.92 kJ Zxe¨ Zworwe‡køl¨ e‡j
C. 34.92 kJ D. –134.92 kJ Soln:D
D. †ekxi fvM ev¯Íe `ªeYB Abv`k© wn‡m‡e AvPiY K‡i Soln: A
237. ML GKwU `vbv`vi †hŠM| Gi cvwb‡Z `ªexf‚Z nevi ch©vq I mswkøó
247. `nb Zvc ej‡Z eySvqÑ
Gb_vjwc wb‡P †`qv nj| †hŠMwUi cvwb †hvRb Gb_vjwc H1 (kJ)
A. 1 atm Pv‡c Aw·‡R‡b 1 mole cwigvY †Kvb e¯‘i m¤ú~Y©iæ‡c
KZ?
`n‡bi d‡j, Zvckw³i cwieZ©b
ML(s)+Water  ML (aq) H = 50kJ
B. 1 gm e¯‘‡K Aw·‡R‡b m¤ú~Y©iæ‡c `nb Ki‡j, Zvckw³i cwieZ©b
ML(s) + xH2OML.xH2O(s) H1 = ?
C. 1 mole †Kvb e¯‘‡K Aw·‡R‡b `nb Ki‡i, Zvckw³i cwieZ©b
MLxH2O(s)+Water ML(aq) H2= +10kJ
D. 1 atm Pv‡c †Kvb e¯‘i `n‡b, kw³i cwieZ©b Soln:A
A. + 60 B.  60
C.  40 D. + 40 Soln:B 248. wPwbi Mjbv¼ KZ?
238. 10 MÖvg cvwb 4 C †_‡K 14 C ZvcgvÎvq DbœxZ Ki‡Z KZ K¨vjwi A. 356 K B. 388 K
Zvc cÖ‡qvRb? C. 433 K D. 505 K Soln:C
A. 10 Calories B. 14 Calories 249. eÜb Gb_vjwci GKK †KvbwU?
C. 100 Calories D. 140 Calories Soln:C A. Ryj/ †gvj B. wK‡jvRyj
239. evqyi Abycw¯’wZ‡Z D”PgvÎvq (600 C) KvV‡K `nb Ki‡j wb‡Pi
0
C. †gvj/ wK‡jvRyj D. wK‡jvRyj/ †gvj Soln:D
†KvbwU cvIqv hvq? 250. wg‡_b, B‡_b, †cÖv‡cb Ges B_vb‡ji `nb Zvc h_vµ‡g –890.3, –
A. †KvK B. QvB 1559.7, Ges –1379.4 kj †Kvb R¡vjvbxi K¨vjwiwdK gvb me‡P‡q
C. KvVKqjv D. Møy‡KvR Soln:A †ekx?
240. wb‡Pi †KvbwU wØ-we‡hvRb wewµqv? (99-00) A. †cÖv‡cb B. wg‡_b C. B‡_b D. B_vbj
A. 2H2 + O2  2H2O n
Sol : B
B. AgNO3 + NaCl  AgCl +NaNO3 251. wb‡Pi †KvbwU GKwU m¤ú~Y© Zvc-ivmvqwbK mgxKiY?
 |

A. 2H2 + O2  2H2O; H = –571.70 Kj mol–1

B. 2H2(g) + O2(g)2H2O(g); H = –473.67 kj mol–1
C. Dc‡ii me¸‡jv
Aa¨vq 05t Kg©gyLx imvqb
D. Dc‡ii †KvbwUB bq Soln:B
1. n¨vgevMv©i msiÿ‡Y e¨eüZ nq-
252. wb‡gœi †Kvb eÜbwUi eÜb kw³ me‡P‡q †ekx?
K KClO3 L KIO3
A. N ≡ N B. N - H M KBrO3 N KClO2
C. C ≡ C D. C = O 2. wcÖRvi‡fwUf wn‡m‡e †mvwWqvg †ebR‡q‡Ui e¨env‡ii
Soln:A Aby‡gvw`Z mxgv KZ?
253. Zvc Drcv`x ivmvqwbK wewµqv‡Z- K 10 ppm L 100 ppm
A. wewµqvi ¯^Ztù‚Z©Zv eySv hvq B. †n‡mi m~Î cÖ‡qvM Kiv nq
M 200 ppm N 300 ppm
C. Zvc †kvwlZ nq D. Zvc wbM©Z nq
3. ‡ewi‡ewi †ivMwU †Kvb wfUvwg‡bi Afv‡e N‡U?
Soln: D
254. wb‡gœi †Kvb& cÖKvi cÖkgb wewµqvq Zv‡ci gvb aªæeK _v‡K? KK L B1
A. Zxeª GwmW I `ye©j ¶vi B. `ye©j GwmW I Zxeª ¶vi M B6 NC
C. Zxeª GwmW I Zxeª ¶vi D. `ye©j GwmW I `ye©j ¶vi 4. Møvm wK¬bv‡i Kx e¨envi Kiv nq?
E. †KvbwUB bq K B_vbj L wf‡bMvi
Soln:C
255. †Kvb&wU Zvcnvix wewµqv? (2008-2009)
M NH3 N NaOH
A. C+O2CO2 B. 2H2+O22H2O
5. f¨vwbwks wµ‡gi cÖavb Dcv`vb-
C. C+2SCS2 D. N2+3H22NH3 K w÷qvwiK GwmW L Kw÷K cUvm
E. 2SO2+O22SO3 M cvwb N myMwÜ
Soln:C
6. `y‡ai pH KZ?
K 6.5-6.75 L 7.5-7.75
M 6.4-6.56 N 6.0-6.15
7. AvdUvi †mf †jvk‡bi cÖavb Dcv`vb †KvbwU?
K A¨vj‡Kvnj L †gb_j
M cvwb M j¨v‡bvw_j
8. Uq‡jU wK¬bvi cÖ¯‘wZ‡Z e¨eüZ nq-
K Dw™¢¾ †Zj L wjKvi A¨v‡gvwbqv
M †gvg N †ewKs †mvWv
9. wf‡bMvi I GwmwUK Gwm‡Wi kZKiv cwigvY KZ?
K 6-9% L 6-10%
M 10-15% N 10-20%
10. wb‡Pi †KvbwU U‡g‡Uv‡Z cvIqv hvq?
K _vqvwgb L A¨vmKiweK GwmW
M †dvwjK GwmW N †iwUbj
11. 15C ZvcgvÎvq `y‡ai Mo Av‡cwÿK ¸iæZ¡ n‡jv-
K 1.5 L 1.2
M 1.001 N 1.032
12. wb‡Pi †KvbwU cÖvK…wZK Lv`¨ msiÿK?
K ‡mvwWqvg †eb‡Rv‡qU L †ebRwqK GwmW
M †mvwWqvg †K¬vivBW N N` †cÖvcv‡qv‡bU
13. Lv`¨ †KŠUvRvZKi‡Y wmivc †hvMKiY Gi cieZx© avc
†KvbwU?
K eøvwÂs L wmwjs
M G·Rw÷s N UzKivKiY
14. `y‡a Emulsifier n‡jv-
 |

K Pwe© L j¨vK‡UvR K (5-10)% B_vbwqK GwmW L mi‡eU

M M¨vjvK‡UvR N †cÖvwUb M c¨vivweb N C÷
15. Lv`¨ `ªe¨ bó nIqvi KviY KqwU? 29. gvby‡li †`‡ni kZKiv M‡o KZfvM cvwb?
K 3wU L 4wU K 70 L cÖvq 70
M 5wU N 6wU M 80 N 85
16. gvQ I gvsm msiÿ‡Yi Rb¨ †KŠUvi †fZ‡i †KvbwUi cÖ‡jc 30. jv‡mvb _v‡K-
†`qv nq? K ‡Mvjvc R‡j L cviwdD‡g
K NiO L Ag2O M †g‡nw` cvZvq N mvev‡b
M ZnO N ZnS 31. Avgv‡`i †`‡k †Kvb c×wZ‡Z AvPvi ˆZwi nq?
17. ‡KvbwU K…wÎg A¨vw›UAw·‡W›U? K wKDwis L MvuRb M K¨vwbs N cvZb
K wfUvwgb C L wfUvwgb E 32. e¨vK‡Uwiqv e„w×i mnvqK ZvcgvÎv n‡jv-
M B K¨v‡ivwUb N †cÖvcvBj M¨v‡jU K 20-40C L 30-45C
18. ‡Kvj‡qW KYvi e¨vm KZUzKz nq? M 40-45C N 45-50C
K 5-200 nm L 200-1000 nm 33. wb‡¤œi †KvbwU cÖvK…wZK A¨vw›U-Aw·‡W›U?
M 1000-2000 nm N 2000-2050 nm K wf‡bMvi L U‡Kv‡dij
19. Lv`¨`ªe¨ msiÿ‡Yi Rb¨ eûj e¨eüZ Ges mvkÖqx Dcvq M TBHQ N BHT
†KvbwU? 34. gvsm I gvQ msiÿ‡Y †KvbwUi wgkÖY Kiv nq?
K digvwjb e¨envi L wf‡bMvi e¨envi K KNO2.KNO3 L KNO2.KaNO2
M wngvMvi e¨envi N †KŠUvRvZKiY M KNO3.NaNO2 N NaNO3.KNO3
20. wb‡Pi †Kvb †Rvovq A¨vw›UAw·‡W›U ag© we`¨gvb? 35. gvQ I gvsm msiÿ‡Y †Kvb cÖvK…wZK msiÿKwU GL‡bv
K gwiP-njy` L NaCl-‰Zj e¨eüZ nq?
M ˆZj-njy` N je½-njy` K mi‡eU L jeY
21. ‡Kvb ZvcgvÎvq e¨vK‡Uwiqvi `ªæZ e„w× N‡U? M wPwb N †eb‡Rv‡qU
K 10 L 10-60 36. cÖwZ 100 MÖvg Miæi `ya †_‡K cÖvß Lv`¨ K¨vjwi-
M 60 N 185C K 66 kCal L 72 kCal
22. `ya Gi wgwó ¯^v‡`i KviY n‡jv `y‡a Av‡Q- M 76 kCal N 82 kCal
K ‡cÖvwUb L j¨vK‡UvR 37. ‡KvbwU Gw›UªAw·‡W›U?
M my‡µvR N m¨vKvwib K ‡eb‡Rv‡qU L mvjdvBU
23. AYyRx‡ei weKvk I e„w×i Rb¨ cÖ‡qvRb- M mvBwUªK GwmW N mi‡eU
K A¤øxq cwi‡ek L Rjxq cwi‡ek 38. pH =3 gv‡b wf‡bMv‡ii we‡qvRb gvÎv n‡jv-
M ÿvixq pH N 37C ZvcgvÎv K 98% L 2% M 50% N 10%
24. ‡`kxq dj¸‡jvi ˆewkó¨ n‡jv- 39. wjcw÷‡Ki ¯’vwqZ¡ e„w× Ki‡Z †Kvb †Zj e¨eüZ nq?
K D”P A¤øhy³ L D”P ÿvixq K K¨v÷i L wmwjKb
M wb¤œ A¤øhy³ N Zxeª ÿvixq M LwbR N Awjf
25. Møvm wK¬bv‡ii †Kvb Dcv`vbwU †Zj I wMÖR `~ixf~Z K‡i? 40. we¯Í…Z `kv I we¯Ívi `kv Df‡qB Zij Gi D`vniY †KvbwU?
K A¨v‡gvwbqv L wf‡bMvi K A¨v‡ivmj L `ya
M wWUvi‡R›U N AvB‡mv‡cÖvcvBj M †dvg N Kv`v wgwkÖZ cvwb
A¨vj‡Kvnj 41. R¡i, e¨_vbvkK Ily‡ai †kvlY cÖwµqv cvK¯’wji †Kvb
26. Pwe©hy³ gv‡Qi K¨vwbs G KZ ZvcgvÎv cÖ‡qvRb? cwi‡e‡k myôzfv‡e N‡U?
K 110-115C L 90-110C K wbi‡cÿ L A¤øxq
M 130C N 121C M ÿvixq N A¤øxq-ÿvixq
27. wb‡¤œi †KvbwU cÖvK…wZK Lv`¨ msiÿK? 42. ÷v‡P©i ms‡KZ †KvbwU?
K ‡mvwWqvg †K¬vivBU L †mvwWqvg †eb‡Rv‡qU K (C6H12O5)n L (C6H10O5)n
M †mvwWqvg †K¬vivBW N †cÖvcvb‡qU M (C6H10O8)n N (C6H12O6)n
28. wb‡Pi †KvbwU cÖvK…wZK dzW wcÖRvi‡fwUfm? 43. Møy‡KvR GKwU-
 |

K A¨vjwWnvBW L Kv‡ev©nvB‡WªW M pH 3.14 N pH 3.01

M GwmW N G÷vi 57. A¨vj‡Kv‡bv‡jgvBW bv‡g cwiwPZ †dbv Drcv`b wb‡Pi
44. ‡KvbwU cÖvK…wZK Lv`¨ msiÿK? †KvbwU n‡e?
K cvwb L Pzb M ˆZj N gvwU K ‡mvwWqvg jivBj mvj‡dU
45. Lv`¨ e¨eüZ †eb‡Rv‡q‡Ui Aby‡gvw`Z gvÎv KZ? L A¨v‡gvwbqvg jivBj mvj‡dU
K 0.0001% L 0.001% M KK& A¨vgvB‡Wv †cÖvcvBj †eUvBb
M 0.1% N 0.2% N †mvwWqvg †eb‡Rv‡qU
46. ‡KvbwU wf‡bMv‡ii ms‡KZ? 58. ‡mvwWqvg †ebR‡qU wcÖRvi‡fwUfwU †Kvb pH gv‡b AwaK
K C2H5COOH L CH3COOH Kvh©Ki?
M HCOOH N HCHO K 4.5 L 5.5
47. ‡Mvmj Kivi mvev‡b pH Gi gvb KZ mxgvi g‡a¨ ivLv nq? M 6.5 N 7.5
K 12-14 L 0-2 M 7-8 N 3-4 59. Lv`¨ msiÿ‡Y †h c`v_©wU eûj e¨eüZ nq Zv n‡jv-
48. U¨vjKg cvDWv‡ii cÖavb Dcv`vb Kx? K ‡cÖvcvbwqK GwmW L †cÖvcvbj
K K¨vjwmqvg Kve©‡bU L †evwiK GwmW M †iKwUdvBW w¯úwiU N wf‡bMvi
M g¨vM‡bwmqvg wmwj‡KU N g¨vM‡bwmqvg w÷qv‡iU 60. wb‡Pi †Kvb Lv‡`¨ Lv`¨-Zš‘i cwigvY me‡P‡q †ewk?
49. ‰Zj I Pwe©hy³ Lv`¨ msiÿ‡Y †KvbwU e¨eüZ nq? K Kijv L gUiïuwU
K BHA L EDTA M evuk †Kvoj N ev`vg
M BTH N BAH 61. f¨vwbwms µxg ˆZwii cÖavb Dcv`vb †KvbwU?
50. `y‡ai cÖavb Dcv`vb n‡jv- K KwóK cUvm L w÷qvwiK GwmW
K wfUvwgb L j¨vK‡UvR M KviweUvj N myMwÜ
M cvwb N Pwe© 62. KLb exKv‡i iwÿZ wgkÖYwU‡K GKwU `ªeY ejv hv‡e?
51. KLb weKv‡i iwÿZ wgkÖY‡K `ªeY ejv hv‡e? K KYv¸‡jv Zjvq cwZZ n‡j
K KYv¸‡jv weKv‡ii Zjvq cwZZ n‡j L KYv¸‡jv Dcwi c„‡ô D‡V Avm‡j
L KYv¸‡jv weKv‡ii `ªve‡K m¤ú~Y© wg‡k †M‡j Ges c„_K M wgkÖ‡Y KYv¸‡jv `ªexf~Z n‡h †M‡j
Aw¯ÍZ¡ †`Lv bv †M‡j N wgkÖ‡Y KYv¸‡jv AcwiewZ©Z Ae¯’vq NyivNywi Ki‡j
M KYv¸‡jv weKv‡ii Dc‡ii c„‡ô Avm‡j 63. Zij G›UvwmW †KvbwU Ñ?
N KYv¸‡jv wgkÖ‡Y AcwiewZ©Z Ae¯’vq _vK‡j Ges Lvwj K mj L †Rj
†Pv‡L †`Lv bv ‡M‡j M mvm‡cbmb N Bgvjmb
52. Uq‡jU wK¬bvi cÖ¯‘wZ‡Z e¨eüZ nq- 64. wf‡bMv‡ii †ÿ‡Î †KvbwU mwVK?
K Dw™¢¾ †Zj L wjKvi A¨v‡gvwbqv K GwU GKwU mij GwmW
M †ewKs †mvWv N †gvg L GwU ‡cÖvwU‡bi MVb‡K fvO‡Z mÿg
53. Møy‡Kv‡Ri AvYweK ms‡KZ C6H12O6 GwU Kx?
M diwgK Gwm‡Wi 6-10% R¡jxq `ªeY
K GKwU A¨vjwWnvBW L Kv‡ev©nvB‡WªU
N GwU †gvì aŸsm Ki‡Z cv‡i bv
M GKwU GwmW N GKwU G÷vi 65. `y‡ai cÖavb Kv‡ev©nvB‡WªU n‡jv-
54. wb‡Pi †Kvb ivmvqwbK c`v_©wU wcÖRvi‡fwUfiƒ‡c e¨env‡i
K Møy‡KvR L my‡µvR
wbwl× Av‡Q?
M j¨vK‡UvR N gj‡UvR
K ‡ebRwqK GwmW L †eb‡Rv‡qU GwmW
66. `y‡a we`¨gvb mev©waK cwigvY wfUvwgb n‡jv-
M wf‡bMvi N K¨vjwmqvg Kve©vBW
K wfUvwgb wm L wfUvwgb wW
55. e¨vK‡Uwiqv e„w×i mnvqK ZvcgvÎv wb‡Pi †KvbwU mwVK
M wfUvwgb B N wfUvwgb we-2
n‡e?
67. ‡Kvqv¸‡jk‡bi AvwfavwbK A_© Ñ
K 20-24C L 30-45C
M 40-45C N 45-50C K wewÿß nIqv L RgvU evuav
56. wcÖRvi‡fwUfiƒ‡c e¨eüZ mvBwUªK Gwm‡Wi pH gvb KZ M PvR©hy³ nIqv N mvm‡c‡ÛW nIqv
_v‡K? 68. †Zj wb‡¤œi †Kvb †hŠMwU‡Z `ªexf~Z n‡e?
K pH 4.74 L pH 4.50 K cvwb L †K¬v‡ivdig
 |

M Zij A¨v‡gvwbqv N mvjdvi M we‡bvwgj N mvewUwjb

69. wb‡Pi †Kvb †hŠMwU ÿvi? 82. --------- RvZxq c`v‡_©i A‡Uv Aw·‡Wkb cÖwZ‡iv‡a Gw›U-
K †mvwWqvg †K¬vivBW L cUvwmqvg nvB‡Wªv·vBW Aw·‡W›U e¨eüZ nq?
M Kve©b WvB A·vBW N wg‡_b K wfUvwgb L Kv‡ev©nvB‡WªU
70. ‡KvbwU †Uªm wgbv‡ij? M wjwcW N †cÖvwUb
K Na LK 83. MÖvg †b‡MwUf e¨vK‡Uwiqvi cÖwZ wbw®Œq f~wgKv cvjb K‡i
MS N Se †KvbwU?
71. Lv`¨ msiÿK Kq cÖKvi? K wbwmb L bvUvgvBwmb
K 2 cÖKvi L 4 cÖKvi M mvewUwj N †UUªvmvBwK¬b
M 3 cÖKvi N 6 cÖKvi 84. ‡KvbwU evdvi wn‡m‡e e¨eüZ nq?
72. im‡Mvjøv, wRjvcx msiÿ‡Y wPwbi KZ% `ªeY e¨envi Kiv K Sodium citrate L Layric acid
nq? M Menthol N Vanilin
K 60-75% L 78-85% 85. Lv`¨ msiÿ‡Yi †Kvb c×wZ‡K †Kvì ‡÷wijvB‡Rkb e‡j?
M 65-70% N 80-85% K ‡ZRw¯Œq iwk¥ e¨env‡i L wKDwis
73. ‡KvbwU K…wÎg Lv`¨ msiÿK? M †KŠUvRvZ KiY N ﮋxKiY
K ‡eb‡RvwqK GwmW L HCl 86. ‡KvbwU gwiPv‡ivax?
M NaCl `ªeY N mwilvi †Zj K mvaviY B¯úvZ L wb‡Kj
74. Lv‡`¨ †gvì RvZxq AbyRxe cÖwZ‡iv‡a †KvbwU e¨eüZ nq? M Kcvi N †gv‡bj †gUvj
K ‡eb‡Rv‡qU L †cÖvcv‡bv‡qU 87. 70% Avt Av`ª©Zvwewkó evqy‡Z Mg msiÿ‡Yi Kvw•ÿZ
M mi‡eU N bvB‡UªU Av`ª©Zv KZ?
75. d‡ji im msiÿ‡Y †KvbwU e¨eüZ nq? K 14% L 9% M 5% N 23%
K ‡mvwWqvg A¨vwm‡UU L mvjdBU 88. Brace Drier wK?
M bvBUªvBU N BHA K cÖZ¨ÿ †mvjvi Wªvqvi L c‡ivÿ †mvjvi Wªvqvi
76. RxevYybvK wn‡m‡e KZ % B_vbj e¨eüZ nq? M K…wÎg Wªvqvi N hvwš¿K Wªvqvi
K 70-95% L 70-75% 89. weﮋxK…Z mwâ‡Z me‡P‡q †ewk †Kvb e¨vK‡Uwiqv †`Lv hvq?
M 80-95% N 85-95% K e¨vwmjvm L †Kvwjwmb
77. ¸o, ﮋ dj, gvQ, †jeyiim BZ¨vw` msiÿ‡Y †KvbwU M †Mvbv‡WvK°vm N †÷dvB‡jvK°vm
e¨eüZ nq? 90. weﮋxK…Z `y‡a †hme e¨vK‡Uwiqv cvIqv hvq-
K B_vBwjb L SO2 K E.coli L Micrococcus
M wbwmb N B_vBj di‡gU M Streptococcus N Bacillus
78. k³ cwbi, wmivc, mvjv`, †KK, †Rwj BZ¨vw` msiÿ‡Y 91. wd«R WªvBs ev Av`ª©Zv KZ% Gi Dc‡i _vK‡j eªvDwbs nq?
e¨eüZ nq- K 4% L 5%
K SO2 L ‡mvwWqvg bvBUªvBU M 2% N 7%
M miweK GwmW N †eb‡RvwqK GwmW 92. Ò`¨v AvU© Ae A¨vcviUvBwRsÓ c×wZi aviYv †`b †K?
79. mvBUªvm RvZxq d‡j †Kvb ivmvqwbKwU e¨eüZ nq? K Ellion L Nicolas
K we‡bvwgj L SO2 M Durand N Mall
M wbwmb N _vqv‡ebWvRj 93. cvwbi †P‡q wU‡b Zvc KZ¸Y †ewk †e‡M cÖevwnZ nq?
80. wbwm‡bi †ÿ‡Î †KvbwU mwVK bq? K 220 ¸Y L 110 ¸Y
K welv³ bq M 128 ¸Y N 120 ¸Y
L Lactococcus lactis ‡÷ªBb †_‡K ˆZix 94. cv‡Îi Dcv`vb I cv‡Îi wfZ‡ii Lv‡`¨i g‡a¨ wewµqvi
d‡j mvaviYZ †Kvb M¨vm Drcbœ nq?
M Zvc mwnòz bq
K CO2 L O2
N ev‡R †d¬fvi ev Nªvb ˆZwi K‡i bv
M H2 N N2
81. ‡KvbwU Gw›Uev‡qvwUK bq?
95. K¨vwbs Kiv `ª‡e¨i m‡ev©Ëg wb¤œ ZvcgvÎv KZ?
K bvUvgvBwmb L ‡UUªvmvBwK¬b
K 32C L 35C
 |

M 40F N 32F K 1.63% L 3.50%

96. IwjI †iwRb †jKvi wK Øviv MwVZ? M 5.23% N 3.52%
K K…wÎg †iwRb, WªvBs A‡qj, `ªveK 108. ‡Kvb cÖvYxi `y‡a Pwe© †ewk _v‡K?
L cÖvK…wZK †iwRb, `ªveK K gvbyl L gwnl
M cÖvK…wZK †iwRb, WªvBs A‡qj, `ªveK M ‡fov N DU
N K…wÎg †iwRb 109. ‡KvbwU Gw›U‡mwÞK wn‡m‡e KvR K‡i?
97. wfbvBj †K¬vivBW Gwm‡UU Av‡Q| †ewk ZvcgvÎvq cÖ‡mm K NaZnO2 L ZnO
mn¨Kvix bq- M MgO N MgCO3
K IwjI †iwRb †jKvi L wfbvBj †jKvi 110. ‡¯ªv‡Z †KvbwU me‡P‡q †ewk cwigv‡Y _v‡K?
M wd‡bvwjK Gbv‡gj N B‡cvw`ª †jKvi K cvwb L †÷wiK GwmW
98. ‡KŠUvRvZKiY c×wZ‡Z wPwb I je‡Yi `ªe‡Yi KZ % †hvM M KOH N wMømvwib
Kiv nq? 111. ‡KvbwU Bgvjk‡bi ¯’vwqZ¡ e„w× I Z¡K †Kvgj K‡i?
K 30-35% I 7-15% K ‡MvjvcRj L †Mvjvc †Zj
L 35-40% I 10-15% M wmUvBj A¨vj‡Kvnj N LwbR †Zj
M 40-50% I 8-20% 112. wmivwm‡bi cÖfve wK?
N 30-40% I 7-15% K wjcw÷‡K Zijfve m„wó K‡i
99. wiUwUs Gi ZvcgvÎv KZ? L KwVb fve m„wó K‡i
K 100C L 90-100C M eY©KviK
M 80-100C N 95-110C N iÄK c`v_© Qwo‡q †`q
100. Kjv †KŠUvRvZKi‡Y wmiv‡ci gvÎv KZ? 113. mvaviY gvbm¤úbœ wjcw÷‡K Aek¨B †KvbwU _vK‡e?
K 40% wPwb + .25% mvBwUªK GwmW K K¨v÷i ˆZj L wgw_Ib
L 30% wPwb + .125% mvBwUªK GwmW M †gvg N wmivwgb
M 30% wPwb + .25% mvBwUªK GwmW 114. ićKi D¾¡jZv e„w×i Rb¨ †KvbwU e¨eüZ nq?
N 40% wPwb K SiO2 L TiO2 M SnO2 N PbO2
101. MvuRi cÖwµqvRvZKi‡Y je‡Yi NbgvÎv KZ? 115. B‡qvwmb wK?
K 1.5% jeY + 2.5% wPwb L 2% jeY K iÄK L NbKviK
M 1.5% jeY + 5% wPwb N 2.5% jeY M gm„YKviK N †gvg
102. Lv`¨ `ªe¨ †KŠUvRvZKi‡Y e¨eüZ wPwbi weï×Zvi cwigvY 116. ‡KvbwU KxUbvkK I wcÖRvi‡fwUf wn‡m‡e Kg©ÿg?
KZ? K AvdUvi †mf †jvkb L †g‡n`x
K 100% L 99% M †gvg N wMømvwib
M 98.5% N 99.5% 117. ‡Kvb ivmvqwb‡Ki Kvi‡Y †g‡n`x iÄK wn‡m‡e KvR K‡i?
103. AvPv‡ii wZ³ ¯^v` `~i Ki‡Z e¨eüZ nq? K mq‡jvb L †gq‡mvb
K GwmwUK GwmW L miweK GwmW M jq‡mvb N gq‡mvb
M mvBwUªK GwmW N GmKiweK GwmW 118. mvaviY Møvm wK¬bv‡i weDUw· B_vb‡ji cwigvY-
104. R¨v‡gi wU Gm Gm Kgc‡ÿ n‡e- K 3-6% L 0-15%
K 55% L 45% M 65% N 60% M bMY¨ cwigvY N 3-5%
105. As2S3 Gi Dci †KvbwUi †Kvqv¸‡jkb ÿgZv me‡P‡q 119. A¨v‡gvwbqvi †Kvb ˆewk‡ó¨i Rb¨ Møv‡mi D¾¡jZv mn‡RB wd‡i
Kg? Av‡m?
K NaCl L KCl K ev®úxf~Z nIqvi cÖeYZv L Zijxf~Z nIqv
M BaCl2 N AlCl3 M DØvqx nIqv N †KvbwUB bq
106. ‡UjKg cvDWv‡ii cÖavb Dcv`vb †Uj‡Ki ms‡KZ- 120. R¨vš’b †KvbwUi Dcv`vb?
K [H3Mg2(SiO3)4] L [H2Mg3(SiO3)4] K Møvm wK¬bvi L Uq‡jU wK¬bvi
M [H4Mg3(SiO3)4] N [H2Mg3(SiO)4] M ev_Uve wK¬bvi N †¯‹vDwis wK¬bvi
107. Miæi `y‡a †cÖvwU‡bi kZKiv mshyw³-
121. ev_Uve wK¬bv‡i †mvwWqvg EDTA Gi cwigvY KZ?
 |

K (1-5)% L (2-4)% 135. cÖvK…wZKfv‡e Lv`¨ msiÿ‡Yi †KŠkj †KvbwU?

M (2-6)% N (0.2-0.4)% K cvwb Øviv ‡aŠZKiY
122. ‡KvbwU ˆZixi Kvi‡Y Møvm ÿqcÖvß nq? L Lv`¨‡K ‡Lvjv Ae¯’vq †i‡L †`Iqv
K NH3 L NaOH M Lv‡`¨ wKQz †gvì †hvM Kiv
M SiO2 N Na2SiO3 N Lv‡`¨ Zvc cÖ‡qvM Kiv
123. wf‡bMvi wK? 136. BHA Gi c~Y©iƒc †KvbwU?
K 5% CH3COOH L 5% CH3OOH K Butahydrated hydorxyacetate
M 10% CH3COOH N 4% CH3OOH L Butahydrated hytdroxy anisolce
124. ‡KvbwU wf‡bMv‡ii cÖKvi‡f` bq? M Butylated hydroxy acetate
K mvBWvi wf‡bMvi L w¯úwiU wf‡bMvi N Buthlated hydroxy anisole
M Av‡cj wf‡bMvi N gí wf‡bMvi 137. BHT Gi c~Y©iƒc ‡KvbwU?
125. Lv`¨ msiÿ‡Y wf‡bMv‡ii e¨envi- K Butahydrated hydroxy thaimine
K AvPvi L mvjvI M cwi®‹viK N me¸‡jvB L Butahydrated hydroxy toluene
126. Lv`¨ wbivcËv Kx? M Butylated hydroxy toluene
K weÁvbm¤§Z wKQz bxwZgvjv N Butylated hydroxy thaimine
L weÁvbm¤§Z wKQz ixwZbxwZ 138. NO2-, C6H5COO- cÖf…wZ †hŠM¸‡jv Lv‡`¨ e¨vK‡Uwiqv
M wKQz wµqv‡KŠkj N wKQz mveavbZv C÷ I †gv‡ìi e„w× e¨nZ K‡i| †hŠM¸‡jv‡K Lv`¨ msiÿK
127. †KvbwU Zij Lv`¨e¯‘‡K †Rwj‡Z cwiYZ K‡i? wn‡m‡e e¨envi Kiv nq| †hŠM¸‡jv‡K Kx ejv nq?
K †K‡ivwUb L wRjvwUb K Gw›UgvB‡µvweqvj G‡R›U L Gw›UAw·‡W›U
M A¨vjeywgb N †Kwmb M wK‡jwUs G‡R›U N wiwWDwms G‡R›U
128. Lv`¨ m¤úwK©Z †Kvb welhwU eZ©gv‡b me‡P‡q ¸iæZ¡c~Y© GK 139. gvsm I gvsmRvZ `ªe¨ msiÿ‡Y †KvbwUi wgkÖY e¨eüZ nq?
Av‡jvwPZ Bmy¨? K KNO3 I NaNO2 L KNO2 I NaNO2
K Lv`¨ Drcv`b L Lv`¨ evRviRvZKiY M KNO3 I KNO2 N NaNO3 I KNO2
M Lv`¨ MÖnY N Lv`¨ wbivcËv 140. gvs‡m Clostridium botulinum cÖwZ‡iv‡a bvB‡UªU Gi
129. Zij Lv`¨ e¯‘‡K †Rwj‡Z iƒcvšÍ‡i e¨envi Kiv nq †KvbwU? Kx cwigvY `ªeY e¨eüZ nq?
K cvwb L weøwPs cvDWvi K 200ppm L 500ppm
M RvB‡gR N A¨vMvi M 300ppm N 400ppm
141. Lv‡`¨i ˆZj ev Pwe©i mv‡_ Kx cwigvY BHA I BHT
130. weÁv‡bi †Kvb kvLvwU Lv`¨ wbivcËvi mv‡_ mivmwi RwoZ?.
e¨eüZ nq?
K imvqb L c`v_©
K 0.1% L 0.01%
M MwYZ N Kw¤úDUvi cÖ‡KŠkj
M 0.02% N 0.2%
131. wcÖRvi‡fwUfm& Gi KvR †KvbwU? 142. wPwb‡Z †KvbwU Drcbœ nq?
K Lv`¨e¯‘i ¯^v` evov‡bv K CH3OH L HCHO
L Lv`¨e¯‘ AvKlY©xq Kiv M CH3CH2OH N CH3CHO
M Lv`¨e¯‘ msiÿY Kiv 143. †eb‡Rv‡qU RvZxq msiÿ‡Yi MÖnY‡hvM¨ e¨envi mxgv KZ?
N Lv`¨e¯‘‡K `yM©‡Üi nvZ †_‡K iÿv K 0.1% L 0.2%
132. wK‡jwUs G‡R›U †KvbwU? M 0.3% N 0.4%
K EDTA L BHT 144. gvsm RvZxq Lv‡`¨i cP‡bi Rb¨ `vqx †KvbwU?
M mi‡eU N A¨vmKiweK GwmW K Penicillium notatum
133. †KvbwU Wvqwiqv m„wó K‡i? L Pneomococcur bacteriasis
K ‡eªv‡gU L †µv‡gU M Clostridium botulinum
M ‡eb‡Rv‡qU N mvj‡dU N Spyrogyra
134. K¨vÝvi m„wó‡Z f~wgKv iv‡L †KvbwU? 145. gvs‡mi cPb †iv‡a bvBUªvBU je‡Yi e¨envi gvÎv KZ?
K BHA L BHT K 100ppm L 200ppm
M †mvwWqvg bvB‡UªU N †eb‡Rv‡qU M 300ppm N 400 ppm
 |

146. FDA KZ mv‡j m‡ZR dj I mewR‡Z mvjdvB‡Ui e¨envi M Redrawn and wall ironed
wbwl× K‡i‡Q? N Drewn and Redrawn
K 1976 mv‡j L 1986 mv‡j 159. †Rwj ˆZwii mgq `ªe‡Y Zvc cÖ‡e‡k evav m„wó K‡i †KvbwU?
M 1985 mv‡j N 1975 mv‡j K Avwgl L kK©iv
147. †cÖvcvBwj‡bi MÖnY‡hvM¨ e¨envi gvÎv KZ? M †cKwUb N LwbR
K 500ppm L 600ppm 160. DbœZ we‡k¦ Lv`¨| e¯‘‡Z e¨eüZ ivmvqwbK Dcv`vb I †gqv`
M 700ppm N 800ppm m¤ú‡K© aviYv †`Iqv nq †KvbwUi D‡Ïk¨?
148. †mvwWqvg bvBUªvB‡Ui MÖnY‡hvM¨ e¨envi gvÎv KZ? K wmwjs L wiUwUs M eøvwÂs N K¨vwbs
K 100ppm L 110ppm 161. kvK-mewR, gvQ I gvsm kZKiv KZfvM NaCl †hvM Kiv
M 120ppm N 130ppm nq?
149. pH Gi MvwYwZK gvb mivmwi †KvbwUi mv‡_ m¤úwK©Z? K 8-20% L 8-21% M 7-15% N 7-18%
K H+ L OH- 162. GMRmwUs m¤ú~Y© n‡j †KvbwU Ki‡Z nq?
M Na+ N CH3CH2COO- K wmwjs L wiUwUs M ‡j‡ewjs N
VvÛv
150. †KvbwU e¨env‡i dj I mewRi ¸bMZ gvb e„w× cvq? 163. ¸`v‡gi cÖZ¨vwkZ ZvcgvÎv KZ?
K njy‡`i Myuov L gwi‡Pi ¸ov K 2-5C L 2-10C
M Av`v N js M 3-10C N 2-15C
151. wKDwis c×wZi ¯’vwqZ¡Kvj KZ? 164. Avbvi‡mi ¯øvBm †cøBb K¨v‡b fwZ© Kivi mgq kZKiv KZ
K Qq gvm L wZb gvm gvÎvi wPwbi Mig `ªeY ‡hvM Kiv nq?
M GK eQi N `yB eQi K 40% L 50% M 60% N 70%
152. KMS ej‡Z Kx eyS? 165. wmj Kiv Avbvi‡mi K¨vb‡K KZ mgq a‡i cÖ‡mwms K‡i VvÛv
KcUvwmqvg ‡gUv mvjdvBU LcUvwmqvg †gUvj mvjdvi Kiv nq?
McUvwmqvg †gUvevB mvj‡dU N cUvwmqvg †gUvmvj‡dU 1 1
K 19 wgwbU L 20 wgwbU
153. †KvbwU mvaviY AvPv‡ii cÖavb Dcv`vb? 2 2
K NaCl I 3KCl L CaCl2 I HCHO 1 1
M 21 wgwbU N 22 wgwbU
M CaCl2 I KCl N NaCl I CH3COOH 2 2
154. †KvbwU NaCl ev CH3COOH Gi mvnv‡h¨ msiÿY Kiv 166. †KvbwU K¨vÝvi cÖwZ‡iv‡a f~wgKv iv‡L?
nq? K KwP f~Æv L gUiïwU
K `B L ïK‡bvv eoB M KvuVvj N evuk‡Kvij
M AvPvi N Av‡Li im 167. i³Pvc I i‡³i †Kv‡j÷ij Kgvq †KvbwU?
155. †KvbwU ˆZwii ci †aŠZ Kivi cÖ‡qvRb †bB? K meyR gUi ïuwU L evuk‡Kvij
K †WªvDb GÛ AvqiY d¨vb L WvDb GÛ AvqiY K¨vb M Avbvim N KwP f~Æv
M Uz wcm N wi‡WªvBb K¨vb 168. meyR gU‡i †UbWv‡ivwgUvi Gi wiwWs KZ?
156. Svj AvPvi ˆZwi‡Z d‡ji UzK‡ivq jeY †gkv‡bvi mgq K 110-120 L 100-110
†KvbwUi ¸uov †gkv‡bv nq? M 120-130 N 120-140
K gwi‡Pi ¸uov L njy‡`i ¸uov 169. wmj Kiv K¨vb †÷wijvB‡Rkb Kivi Rb¨ KZÿY ivL‡Z
n‡e?
M a‡b ¸uov N Kv‡jvwRiv ¸uov
1 1
157. j¨vKwUK GwmW e¨vK‡Uwiqv Drcv`b I eskwe¯Ív‡ii Rb¨ K 1  1 NÈv L 2  2 NÈv
AvPv‡i kZKiv KZfvM jeY `ªeY cÖ‡qvRb? 2 2
K 4-6% L 2-10% 1 1
M 3  3 NÈv N 4  4 NÈv
M 4-8% N 4-10% 2 2
158. 1964 mv‡j Av‡gwiKvq evwYwR¨Kfv‡e Avwe®‹…Z K¨vbwUi 170. AwaKvsk gv‡Q †gvU KwVb c`v‡_©i cwigvY KZ?
bvg Kx? K 24-35% L 14-20%
K Drawn and wall ironed M 0.2-20% N 1-1.8%
L Drawn and ironed
 |

171. K¨v‡bi †fZ‡ii evqy `~ixf~Z Kivi Rb¨ K¨v‡bi KZ Ask M A‡Uv †nbv N A¨vjKwbK iæU
dzUšÍ cvwb‡Z Wzwe‡q ivLv DwPr? 184. W‡jvgvB‡Ui ms‡KZ ‡KvbwU?
1 1 1 2 K CaCO3.KCO3 L CaCO3.K2SO4
K Ask L Ask M Ask N
4 3 2 3 M CaCO3.MgCO3 N CaCO3.Al2(SO4)3
Ask 185. U¨vj&K †KvbwU‡Z A`ªeYxq?
172. gv‡Q LwbR je‡Yi cwigvY KZ? K Gwm‡W L ÿv‡i
K 0.2-20% L 1-1.8% M A¨vj‡Kvn‡j N cvwb‡Z
M 14-20% N 24-35% 186. w÷qvwiK Gwm‡Wi mwVK ms‡KZ †KvbwU?
173. Lv`¨ wn‡m‡e gvQ DËg nIqvi KviY Kx? K C17H33COOH L C17H31COOH
K gv‡Q †cÖvwUb I Pwe©i cwigvb Kg M C17H35COOH N C17H34COOH
L gv‡Q chv©ß cwigvY AvqiY we`¨gvb 187. †KvbwU cvwgwUK Gwm‡Wi ms‡KZ?
M gv‡Qi ‡cÖvwUb I Pwe© mn‡R nRg‡hvM¨ K C15H31COOH L C15H33COOH
N gv‡Qi Pwe© DrK…ó m¤ú„³ d¨vwU GwmW aviY K‡i M C17H35COOH N C15H34COOH
174. mvm‡cbm‡b KwVb c`v‡_©i e¨vm KZ Gi †ewk? 188. †KvbwU †Zj?
K 1mm L 1nm M 1m N 1pm K C15H32COOH L C15H31COOH
175. IqvUvi ev‡_ KvuP Rvi¸‡jv Kgc‡ÿ KZ Bw Mfxi cvwb‡Z M C7H34COOH N C17H33OH
ivLv DwPr? 189. cvwgwUK GwmW‡K m¤ú„³ d¨vwU GwmW ejvi KviY Kx?
K 1-2 Bw L 2-3 Bw K C=C L CC
M 3-4 Bw& N 4-5 Bw M COOH N C-C
176. †Kvb ‡Rvov †Kvqv¸‡j‡›Ui FYvZ¥K Avav‡bi weiæ‡× gvb 190. †nvg‡gW †nqvi ‡Rj †Kv_vq msiwÿZ ivL‡Z nq?
mgvb? K I‡f‡b L AvBm ev‡_
K NaCl-Na2SO4 L NaCl-AlCl3 M wd«‡R N IqvUvi ev‡_
M Na2SO4-MgSO4 N AlCl3-Al2(SO4)3 191. †Kvjv‡Rb Gi AvswkK nvB‡WªvjvBwmmG ˆZwi Kiv nq
177. ivB‡cwbs †Kb Kiv nq? †KvbwU?
K AYyRxe aŸsm Kivi Rb¨ L ¯’vwqZ¡ evov‡bvi Rb¨ K ‡nqvi Rj L wRjvwUb
M wgóZv /pH Rvbvi Rb¨ N cPb †iv‡ai Rb¨ M †Kv‡jv‡Rb N †KvjvwUb
178. GwRs wK? 192. cwi®‹viK ˆZwii Rb¨ kZKiv KZfvM NaOH e¨envi Kiv
K VvÛv ZvcgvÎvq †Kjvm ˆZwi nq hvq?
L DcKix AYyRxe †gkv‡bv K 30% L 40%
M AY~Rxe aŸsm Kiv N Pvwbs Kiv M 50% N 60%
193. B_vBb‡K B_vb¨v‡j iƒcvšÍ‡ii mgq Kx wgkÖY e¨envi Kiv
179. evUvi Pvb©vi wK‡mi ˆZwi?
nq?
K Kvu‡Vi L †jvnvi
K 8.10% H2SO4 Ges 2% HgSO4
M wcZ‡ji N cøvw÷‡Ki
L 20% H2SO4 Ges 1% AgSO4
180. gvL‡bi Mjbv¼ KZ?
M 10% H2SO4 Ges 2% AgSO4
K 25-28C L 28-31C
N 20% H2SO4 Ges 1% HgSO4
M 32-35C N 36-39C
181. g¨vM‡bwmqvi ms‡KZ †KvbwU? 194. B_vb¨vj‡K B_v‡bvwqK Gwm‡W iƒcvšÍ‡ii mgq cÖfveK
wn‡m‡e †KvbwU e¨envi Kiv nq?
K MgO L Mg(OH)4
M MgCO3 N MgSO4 K Mn L Ni M Pd N Pt
182. †KvbwU mwVK ms‡KZ? 195. Møy‡KvR †_‡K B_vbj Drcv`b Dcw¯’wZ‡Z N‡U?
K Mg3Si4O10(OH)2 L Mg3Si2O5(OH)2 K RvB‡gR L Bbfvi‡UR
M Mg3SiO10(OH)3 N Mg2SiO10(OH)2 M A¨vwm‡Uve¨vKUi N bóK
183. MÜivR ˆZj cÖ¯‘Z Kivi mgq cÖ_‡g bvwi‡Kj †Z‡j Kx †hvM
Ki‡Z nq?
K †Mvjvc dzj L †ebvi g~j
 |

M –294C N –298C
েসায়ি ২য় পত্র 11.wjUvi-GU‡gvmwdqvi GK‡K R Gi gvb KZ?

অধ্যায় ০১: পরেরবশ েসায়ি K 0.820 L 0.0821

M 8.200 N 8.213
12.27C ZvcgvÎvq GKwU Aw·‡Rb AYyi Mo MwZkw³ KZ?
1. 27C ZvcgvÎvq O2 AYyi eM©g~j Mo eM©‡eM KZ?
K 6.20910–7erg L 6.20910–14 erg
K 461.62 ms–1 L 480.62 ms–1
M 3.10510–7J N 3.10510–14J
M 483.62 ms–1 N 490.62 ms–1
13.‡KvbwUi Kvi‡Y m„ó GwmW e„wó cwi‡e‡ki †Zgb †Kv‡bv ÿwZ
2. g~j MÖxb nvDR M¨vm †KvbwU?
K‡i bv?
K CO2 L CH4
K CO2 L SO2
M O3 N NO2
M SO3 N NO2
3. SATP †Z M¨v‡mi †mvjvi AvqZb KZ?
14.mgf‡ii CH4 I H2 †K k~b¨cv‡Î 25C G ivLv n‡jv,
K 22.4 L L 22.8 L
AvswkK Pvc †gvU Pv‡ci fMœvsk n‡e-
M 24.4 L N 24.8 L
1 2
4. I‡Rvb¯Íi ÿ‡qi Rb¨ †Kvb M¨vmwU `vqx? K L
2 9
K CH3FCl L CF2Cl2 8 16
M N
M F2C–CHCl2 N CHFCl2 9 17
5.Kv‡ev©mvBwK¬K †hŠM wb‡Pi †KvbwU? 15.w¯’i ZvcgvÎvq r.m.s †e‡Mi mwVK µg †KvbwU?
K mvB‡K¬vweD‡Ub L bvB‡Uªv‡ebwRb K H2N2CO2 L N2H5CO2
M _vqvwdb N wdDivb M N2CO2H2 N CO2N2H2
6.wMÖb nvDR cÖfv‡e †Kvb M¨vmwUi f~wgKv †ewk? 16.SATP †Z Pvc = ?
K N2 L CH4 K 1Nm–2 L 1.01 bar
M CO2 N CFC M 1 mm(Hg) N 1 torr
7.cvwb‡Z AYyRxe †eu‡P _vKvi Rb¨ (DO) Gi cwigvY- 17.SATP †Z †Kvb M¨v‡mi †gvjvi AvqZb KZ wjUvi?
K (2-3) ppm L (4-8) ppm K 22.4 L 24.789
M (6-15) ppm N (20-25) ppm M 42.2 N 74.4
8.cvwbi weï×Zv cwigv‡ci gvb`Û bq †KvbwU? 18.wek¦ e¨vs‡Ki g‡Z cvwb `~l‡Yi Rb¨ †Kvb wkí †ewk `vqx?
K SDS L DO K U¨vbvix wkí L †ccvi wkí
M BOD N pH M mvi wkí N †U·UvBj wkí
9.1970 mv‡ji 12 b‡f¤^i N~wY©So I R‡jv”Qv‡mi d‡j evsjv‡`k 19.25C ZvcgvÎvq 11.2L CO2 M¨v‡mi AYy msL¨v KZ?
nvwi‡qwQj
K 2.761023wU L 2.761022wU
K 2 jÿ †jvK L 3 jÿ †jvK
M 2.761021wU N 2.761020wU
M 4 jÿ †jvK N 5 jÿ †jvK
M 168 mm N 350.6 mm
10.cigk~b¨ ZvcgvÎv KZ?
20.NH3, CO2, O2 I H2 Gi g‡a¨ e¨vc‡bi nv‡ii m¤úK©-
K –273C L –274C
K rH 2  rO2  rNH3  rCO2
L rH 2  rNH3  rO2  rCO2
 |

M rH 2  rNH3  rCO2  rO2 M 6.0231022 N 3.01151022

29.cig k~b¨ ZvcgvÎv †KvbwU?
N rCO2  rO2  rNH3  rH 2
K 0C L 273C
21.mgf‡ii CH4 I H2 †K k~b¨cv‡Î 25C G ivLv n‡jv| H2
M 273K N –273C
Gi AvswkK Pvc †gvU Pv‡ci fMœvsk n‡e-
30.R wK‡mi cwigvcK?
1 1
K L K ej L Pvc
2 9
8 16 M KvR N kw³
M N
9 17 31.2.24L M¨v‡m (NTP †Z) KZwU CO2 AYy _v‡K?
22.STP †Z 2.5g bvB‡Uªv‡Rb M¨v‡mi AvqZb KZ wjUvi? K 6.0231023 L 6.0231022
K 22.4 L 2.24 M 6.0231021 N 3.01151023
M 4.48 N 24.8 32.2.016g H2 M¨vm †_‡K 1023wU AYy AcmviY Ki‡j KZwU
23.R Gi gvb SI GK‡K KZ? AYy Aewkó _v‡K?
K 8.314 L 1.987 K 6.0231022 L 5.0231023
M 0.0821 N 8.325 M 6.0231021 N 5.0231022
24.10.0mL 0.1M NaOH Gi `ªeY‡K 0.1M HCl `ªeY Øviv 33.NTP †Z GKwU Av`k© M¨v‡mi ms‡KvPbkxjZv ¸Yv¼ (Z) Gi
UvB‡Uªkb Kivi mgq 9.99mL HCl `ªeY †hvM Kivi ci gvb KZ?
0.02mL HCl `ªeY †hvM Kiv n‡j pH Gi AvbygvwbK cwieZ©b K 2.0 L 1.5
n‡e- M 1.0 N 3.0
K 0.02 L 0.5 34.‡KvbwU Si c×wZ‡Z Pv‡ci GKK?
M 2.0 N 5.0 K atm L Nm–2
25.‡KvKv‡Kvjv, dv›Uv, ¯úªvBU BZ¨vw` †_‡K UK jv‡M KviY GwmW M cm-Hg N dyne/cm2
wn‡m‡e G‡Z eZ©gvb _v‡K-
35.wb‡¤œi †Kvb ZvcgvÎvq CO2 M¨vm Zij nqbv?
K HCl L bvBwUªK GwmW
K 31.1C L 28.5C
M U¨vs N Kve©b WvBA·vBW M 32C N 30C
26.wb¤œwjwLZfv‡e wk‡íi M¨vmxq eR¨©, hv evqy `~l‡Yi Rb¨ `vqx| 36.16g O2 G cigvYyi msL¨v KZ?
K O2, SO2, CO2, N2, CFC K 6.0231023 L 3.01151023
L SO2, CO2, NO2, CFC M 12.0461023 N 1.20461023
M O2, N2, CFC 37.0.28g N2 M¨v‡mi NTP †Z AvqZb KZ?
N N2, SO2, CO2 K 22.4 L L 0.224L
27.‡Kv‡bv ¯’v‡bi AvenvIqv I Rjevqy‡K wbqš¿Y K‡i †KvbwU?
M 2.24L N 224 cm3
K ÷ªv‡Uvwùqvi Gi evqygÛj 38.NTP †Z 1.0L M¨v‡mi fi 0.09g M¨vmwU Kx?
L Uª‡cvwùqvi Gi evqygÛj K O2 L H2
M Avq‡bvwùqvi Gi evqygÛj M N2 N CO2
N †g‡mvwùqvi Gi evqygÛj 39.‡KvbwU ¯^Ztù~Z© cÖwµqv?
28.16g Aw·‡Rb G AYyi msL¨v KZ? K e¨vcb L wbtmiY
23 23
K 6.02310 L 3.011510 M †Kv‡bvwUB bq N DfqwUB
 |

40.NTP †Z 1.0L M¨v‡mi fi 1.44g M¨vmwU Kx? A. X-ray B. UV C. -ray D. infra-red

Soln:C
K H2 L O2 49. †Kvb †jLwPÎwU w¯’i Pv‡c Pvj©‡mi m~‡Îi mv‡_ msMwZc~Y©?
M N2 N CO2

V, L

V, L

V, L
V, L
41.4.0g CH4 Ges 24g O2 M¨v‡mi wgkÖ‡Y CH4 Gi †gvj
fMœvsk KZ? A. T, K B. T, K C. T, K D. T, K
Soln:A, Pvj©m-Gi m~Î g‡Z, V  T, m¤úK© mgvbycvwZK n‡j
K 0.25 L 0.5 †jLwPÎ g~j we›`yMvgx nq| myZivs mwVK DËi option A|
M 0.75 N 0.33 50. 100C ZvcgvÎvq I 1 evqygÛjxq Pv‡c 1 wK‡jvMÖvg Rjxq ev‡®úi
AvqZb KZ?
42.1.0 †gvj M¨v‡mi ZvcgvÎv 1.0K e„w× Ki‡j †h A. 12 L B. 100 L C. 1200 L D. 1701 L
m¤úªmviYRwbZ KvR m¤úbœ nq Zvi bvg- wRT 1000×0.0821×373
Soln:D, V = = = 1701 L
PM 1×18
K M¨v‡mi cÖmviv¼ 51. †evëRg¨vb aªæe‡Ki GKK n‡jv-
L Av`k© M¨vm aªæeK (R) A. J/molecule B. J.s C. J/K D. g/cc
Soln:A, †evjU&Rg¨vb aªæe‡Ki GKK n‡jv J/molecule
M ms‡KvPbkxjZv aªæeK (Z) 52. 300 K ZvcgvÎvq evZv‡mi N2 AYyi MwZ KZ?
N AvqZbRwbZ f¨vÛviIqvjm aªæeK (a) A. 450 m/s B. 516 m/s
C. 400 m/s D. 600 m/s
43.wb‡Pi †Kvb †jLwPÎwU e‡qj m~·K mg_©b K‡i? 3RT 3×0.0821×300
Soln:B, C = = =516m/s
M 28×10–3
V
53. 27C ZvcgvÎvq bvB‡Uªv‡Rb M¨v‡mi AYyi eM©g~j Mo eM© †eM KZ?
K L PV
A. 515.22 ms–1 B. 516.95 ms–1
–1
1 C. 517.90 ms D. 526.95 ms–1
P
P
Sol :B, Avgiv Rvwb,
n

3RT 3  8.316  300

logP
C=   516.95 ms 1
M logP N M 28 10  3

54. wb‡gœi †jLwPÎmg~‡n wbw`©ó ZvcgvÎvq GKwU wbw`©ó f‡ii Av`k©

logV logV
M¨v‡mi AvqZ‡bi mv‡_ Gi Pv‡ci m¤úK© †`Lv‡bv n‡q‡Q| †Kvb
44.‡Kvb ai‡bi `~lK cvwb‡Z `ªexf~Z Aw·‡Rb (DO) Gi cwigvY †jLwPÎwU Aï×?
n«vm K‡i?
A. P B. p
K A‰Re `~lK L ˆRe `~lK
V 1/V
M †ZRw¯Œq `~lK N KYvRvZxq `~lK
PV PV
45.Dw™¢` KZ…©K CO2 †kvlY K‡i wewµqvi gva¨‡g N‡U? C. D.

K mv‡jvKms‡kølY L Awf¯ªeY P V
Soln:D, w¯’i ZvcgvÎvq pv-Gi gvb memgq aªæe, ZvB A‡ÿi
M cwi‡kvlY N k¦mb wewµqv mgvšÍivj †iLv cvIqv hv‡e|
55. wb‡gœi †Kvb M¨vmwU Av`k© M¨v‡mi ag© †_‡K me‡P‡q †ekx wePy¨Z?
46.`yBwU M¨v‡mi Nb‡Z¡i AbycvZ 1t2 Ges Zv‡`i ZvcgvÎvi A. HCl B. He C. CH4D. N2
AbycvZ 2t1 M¨vm `yBwUi Pv‡ci AbycvZ- m
Sol :A, Avgiv Rvwb, PV = nRT ev PV =
n
RT
M
K 1t1 L 1t2 myZivs, †`Lv hv‡”Q †h M¨v‡mi AvYweK fi †ewk †m M¨vm Av`k©
M 2t1 N 4t1 M¨v‡mi ag© n‡Z †ewk wePz¨wZ †`q| GLv‡b HCl Gi AvYweK fi me‡P‡q
†ewk| ZvB DËi n‡e HCl|
47.wb‡Pi wewµqvq AbyeÜx A¤ø-ÿviK hyMj †KvbwU?
56. 13 C ZvcgvÎvq wbw`©ó f‡ii GKwU Av`k© M¨v‡mi AvqZb w¯’i
HCl + NH3 NH 4 +Cl– Pv‡c wظY Kiv nj| GB Ae¯’vq M¨vmwUi ZvcgvÎv KZ n‡e? (08–09)
A. 7.5C B. 299C C. 13C D. 26C
K HCl Ges NH 4 L NH3 Ges Cl– Soln:B,  cwieZ©xZ ZvcgvÎv,
M HCl Ges Cl– N HCl Ges NH3 T2 = (13+273)  2 = 572K = 299C Ans.
57. GKB ZvcgvÎvq H2 I O2 M¨v‡mi r.m.s †e‡Mi AbycvZ n‡”Q-
48. wb‡¤œi wewKiY¸‰jvi g‡a¨ †KvbwUi Zi½‰`N©¨ me‡P‡q Kg? (08–09)
 |

A. 1/8 B. 1 C. 4 D. 8 63. 27C ZvcgvÎvq 1.0 atm Pv‡c 8.2 L AvqZ‡bi †Kvb M¨v‡mi fi
4 6.0 g | M¨vmwUi Av‡cwÿK fi KZ?
Soln:C, H2 I O2 M¨v‡mi r.m.s AbycvZ, A. 44 B. 18 C. 28 D. 16
O2 Gi AvYweK fi 32 Soln:B, PV = nRT
= = 2
= 4 Ans. PV 1 8.2
H2 Gi AvYweK fi n=   0.333 mol
RT 0.082  300
58. 17C ZvcgvÎvq 2 atm Pv‡c 5 litre AvqZ‡bi GKwU M¨v‡mi
m 6
IRb 3 g| M¨vmwUi AvYweK IRb KZ? (07–08) n=  0.333 =  M = 18 Ans.
M m
A. 7.14 B. 26.13
64. GK A¨vU‡gvwùqvi Pv‡c I wbw`©ó ZvcgvÎvq GKwU wbw`©ó AvqZ‡bi
C. 32.14 D. 16.34
W cv‡Î 4 g wnwjqvg , 14 g bvB‡Uªv‡Rb Ges 16 g Aw·‡Rb Ave× Av‡Q|
Soln:A, PV = nRT ev PV = RT †KvbwUi AvswkK Pvc m‡e©v”P? (02–03)
M
A. bvB‡Uªv‡Rb B. Aw·‡Rb
 M = WRT  3  0.082  290  7.14 C. wnwjqvg D. mK‡ji AvswkK Pvc mgvb
PV 25
59. Kve©Y, bvB‡Uªv‡Rb I Aw·‡R‡bi cvigvYweK IRb h_vµ‡g 12, 14 Soln:C, GK †gvj wnwjqvg = 4g He
I 16| wb‡Pi M¨vm‡Rvo¸‡jvi g‡a¨ †KvbwUi e¨vcb nvi mgvb? (07– A‡a©K †gvj bvB‡Uªv‡Rb = 14g N2
08)
A‡a©K †gvj Aw·‡Rb = 16g O2
†h‡nZz wnwjqv‡gi †gvj msL¨v me‡P‡q †ewk| ZvB wnwjqvg-Gi
A. CO2 and NO2 B. CO2 and N2O
AvswkK Pvc m‡e©v”P|
C. CO2 and CO D. N2O and NO2
Sol :B, A. CO2 Gi AvYweK fi = 44, NO2 Gi AvYweK fi = 46
n
65. wZb AvqZ‡bi bvB‡Uªv‡Rb Ges `yB AvqZ‡bi †K¬vwi‡bi wgkÖ‡Yi
B. CO2 Gi AvYweK fi = 44, N2O Gi AvYweK fi = 44 c~Y©Pvc 1 G¨vU‡gvmwdqvi (760 wg.wg.)| H wgkÖ‡Y bvB‡Uªv‡Rb I †K¬vwib
B. CO2 Gi AvYweK fi = 44, CO Gi AvYweK fi = 28 Gi AvswkK Pvc KZ? (99–00)
A. 400 mm and 360 mm B. 500 mm and 260 mm
B. N2O Gi AvYweK fi = 44, NO2 Gi AvYweK fi = 46
C. 456 mm and 304 mm D. 350 mm and 410 mm
 CO2 I N2O Gi e¨vcb nvi mgvb| Soln:C, †h‡nZz wZb AvqZb N2 Ges `yB AvqZb Cl2 wgkª‡Yi
60. Pvc w¯’i †i‡L GKwU M¨v‡mi (AvqZb 1000 cm3) ZvcgvÎv A‡a©K c~Y©Pvc| A¨vU‡gvmwdqvi (760 mm)| H wgkª‡Y N2 I Cl2 Gi AvswkK
Kiv nj| cwiewZ©Z Ae¯’vq Dnvi AvqZb KZ n‡e? (06–07) Pvc nj 456 mm Ges 304 mm. Ans. C
A. 2000 cm3 B. 500 cm3 66. wb‡æi †Kvb&wU Na+ Gi AvqwbK e¨vmva© (nm)?
3
C. 1000 cm D. 1500 cm3 A. 0.98 B. 0.098
V 1000 C. 0.0098 D. 0.00098
Soln:B, cwieZ©xZ AvqZb, V2 = 1   2000cm 3 .
0.5 0.5 Soln:B
61. GKB ZvcgvÎvq GKB AvqZ‡bi cÖ_g cv‡Î 1 mol N2 Ges wØZxq cv‡Î 67. KNO3 wb‡gœi †Kvb †kªYxi †Kjvm MVb K‡i?
1 mol CO2 ivLv n‡jv| wb‡gœi †Kvb& Dw³wU mwVK bq? A. A‡_©viw¤^K B. †n·v‡Mvbvj C. NbK D. g‡bvwK¬wbK
A. 1g cv‡Î Pvc wbgœZi B. 1g cv‡Î N2 AYyi MwZ D”PZi Soln:A, KNO3 A‡_©viw¤^K †kªYxi †Kjvm MVb K‡i|
C. Dfq cv‡Î AYyi msL¨v mgvb †Kjv‡mi †kªYxwefvM: †Kjvm R¨vwgwZK x, y, z Aÿ eivei GKK
D. Dfq cv‡Î AYymg~‡ni Mo MwZkw³ mgvb `~iZ¡‡K h_vµ‡g a, b, c Øviv Ges Aÿ¸‡jvi cvi¯úvwiK †Kvb¸‡jv‡K
Soln:A, 1 mol N2 = 28 gN2, 1 mol CO2 = 44g CO2 , ,  Øviv cÖKvk K‡i cÖK…wZ‡Z cÖvß †Kjvm¸‡jv‡K 1848 mv‡j weÁvbx
†h M¨v‡mi AvYweK fi hZ Kg Zvi Abymg~‡ni MwZ‡eM ZZ †ewk eªv‡fBR wbgœiƒ‡c mvZwU g~j †kªYx‡Z web¨¯Í K‡ibÑ
nq| †h‡nZz 1g cv‡Î 1 mol N2 Ges 2q cv‡Î 1 mol CO2 M¨vm Av‡Q,
1. wKDweK/NbK/AvB‡mv‡gwUªK NaCl, WvqgÛ, avZzmg~n-†hgb Cu, Ag
myZivs 1g cv‡Î N2 AYyi MwZ wbgœZi| myZivs DËi n‡e A|
62. C2 H5OH  3O2  2CO 2  3H2O wewµqv m¤^‡Ü wb‡Pi †Kvb& 2. †UUªv‡Mvbvj †k¦ZwUb (SnO2), TiO2, SnCl2
Dw³wU fzj? 3. A‡_©viw¤^K KNO3, BaSO4, iw¤^Kmvjdvi
A. C- Gi RviY msL¨v n«vm cvq 4. g‡bvwK¬wbK Na2SO4, 10H2O, g‡bvwK¬wbK(S8) wRcmvg
B. H- Gi RviY msL¨v AcwiewZ©Z _v‡K 5. UªvBwK¬wbK K2Cr2O7, H3BO3, CuSO4.5H2O
C. O-Gi RviY msL¨v n«vm cvq
D. wewµqvq O2 weRvwiZ nq 6. i¤^‡nWªvj K¨vjmvBU(CaCO3), NaNO3 eid
Soln:A, C2 H5OH  3O2  2CO 2  3H2O wewµqvwU‡ZÑ 7. †n·v‡Mvbvj MÖvdvBU, avZzmg~n, †KvqvU©R
i. H Gi Rvib msL¨v AcwiewZ©Z _v‡K 68. wb‡gœi †KvbwU mwVK bq?
ii. O2 weRvwiZ nq A. ev®úxqfeb †h †Kvb ZvcgvÎvq N‡U _v‡K
iii. O Gi Rvib msL¨v n«vm cvq B. Pvc cwieZ©‡bi mv‡_ mv‡_ GKwU Zi‡ji ùzUbvsK cwieZ©b nq
iv. Kve©b RvwiZ nq C. GKB Dcv`vb wewkó e¯‘i f‡ii wewfbœZvi Rb¨ myßZvc wewfbœ nq
v. Kve©‡bi Rvib msL¨v e„w× cvq| Ans. A D. hLb eid, cvwb Ges Rjxq ev®ú mnve¯’vb K‡i, ZLb GKwU
mgmZ¡ `kv jvf K‡i
 |

Soln:[D] A, B, C mwVK| D mwVK bq| KviY, hLb eid, cvwb I C. AvB‡mv‡Uvc D. AvB‡mv‡Uvb
Rjxq ev®ú mnve¯’vb K‡i, ZLb Zv‡K ˆÎawe›`y e‡j| Soln:C, AvB‡mv‡Uvc: †Kvb †gŠ‡ji GKvwaK cigvYy hv‡`i
69. Zij ùwUK m¤ú‡K© wb‡gœi †KvbwU mwVK bq? cvigvYweK msL¨v GKB wKš‘ fi msL¨v wfbœ Zv‡`i‡K ci¯ú‡ii
A. ˆRe †hvM AvB‡mv‡Uvc e‡j| †hgb: nvB‡Wªv‡R‡bi wZbwU AvB‡mv‡Uvc nj: 11 H =
B. AvYweK MV‡bi `yB cÖv‡šÍ †cvjvi MÖæc _v‡K
C. Av‡jvK ag© cÖ`k©b K‡i †cÖvwUqvg, 21 H = wWD‡Uwiqvg Ges 31 H = wUwUªqvg|
D. ZvcgvÎv ms‡e`K wnmv‡e KvR K‡i AvB‡mvevi: †hme cigvYyi fi msL¨v ev wbDwK¬qb msL¨v (†cÖvwUb
Soln:B, Zij ùwUK m¤ú‡K© cÖ‡kœ D‡jøwLZ A, C I D †Z †`qv msL¨v I wbDUª‡bi wgwjZ msL¨v) GKB wKš‘ cvigvYweK msL¨v wfbœ
e³e¨¸wj mwVK| B †Z D‡jøwLZ e³e¨ mwVK bq| KviY, AvbweK MV‡bi
Zv‡`i‡K ci¯ú‡ii AvB‡mvevi e‡j| †hgb: 127 52Te Ges
127
53 I
`yB cÖv‡šÍ †cvjvi MÖæc bq, GKcÖv‡šÍ †cvjvi MÖæc _v‡K|
70. GKwU ˆRe †hŠ‡Mi 5.17 mg †K `nb Ki‡j 10.32 mg Kve©b WvB
ci¯ú‡ii AvB‡mvevi|
A·vBW Ges 4.23 mg cvwb Drcbœ nq| 100C ZvcgvÎv I 760 mm AvB‡mvUb: †hme cigvYyi wbDUªb msL¨v mgvb wKš‘ cvigvYweK
(Hg) ZvcgvÎvq 0.156 g †hŠM 53ml AvqZb `Lj K‡i| †hŠMwUi msL¨v wfbœ Zv‡`i ci¯ú‡ii AvB‡mvUb e‡j| †hgb: 146 C Ges 168 O
AvYweK ms‡KZ wb‡gœi †KvbwU? ci¯ú‡ii AvB‡mv‡Uvb|
A. C2H4O B. C8H16O4 C. C6H12O3 D. C4H8O2
P V PV AvB‡mvgvi: GKB cÖRvwZi `ywU wbDwK¬qvm hw` `ywU wfbœ kw³ Ae¯’vq
Soln:D, 1 1  2 2 _v‡K Ges Kgc‡ÿ Zv‡`i GKwU hw` ÿY¯’vqx nq Zvn‡j Zv‡`i‡K ejv
T1 T2
nq AvB‡mvgvi|
760  53  10 3
 ;  V2 = 0.038L 74. GKB ZvcgvÎv I Pv‡c †Kvb cv‡Îi GKB wQ`ªc‡_ GKwU AÁvZ
373 M¨vm I †K¬vwi‡bi c„_Kfv‡e wbtmi‡Yi nvi h_vµ‡g 6 : 5| †K¬vwi‡bi
GLb, 0.381  0.156 gm NbZ¡ 36 n‡j AÁvZ M¨v‡mi NbZ¡ wb‡gœi †KvbwU?
0.156 0.156  22.4
1L gm  22.4 L  gm A. 40 B. 25 C. 50 D. 20
0.038 0.038 r1 d2
= 91.957 gm  96 gm, hv †Kej C4H8O2 Gi Rb¨ cÖ‡hvR¨| Soln:B, MÖvnv‡gi e¨vcbm~Î g‡Z, 
r1 d1
 Ans. C4H8O2
71. Pvc, Zvc I AvqZb msµvšÍ †Kvb m~ÎwU mwVK bq? 6  r1  6
36
 r2  5
      5 d1
A. V = V0 1   B. P = P0 1  
 273   273  36 36 1 1
     d1 = 25 Ans.
M 25 d1 25 d1
C. PV = RT D. PV = nRT
m 75. w¯’i ZvcgvÎvq †Kvb M¨v‡mi Pvc Ges AvqZ‡bi cwieZ©b wb‡gœi
Soln:C, Pvc, Zvc I AvqZb msµvšÍ A, B, D m~θwj mwVK, wKš‘ †KvbwU?
m A. AvB‡mv_vigvj B. AvB‡mve¨vwiK
C mwVK bq Gi ï× iƒc- PV = RT Ans.
M C. AvB‡mvµwbK D. A¨vWvqv‡ewUK
72. Av`k© I ev¯Íe M¨vm msµvšÍ wb‡gœi †Kvb Z_¨wU fzj? Soln:A, w¯’i ZvcgvÎvq †Kvb M¨v‡mi Pvc Ges AvqZb Gi cwieZ©b
A. N2, O2 – Av`k© M¨vm n‡”Q AvB‡mv _vigvj|
B. H2, CO2 – ev¯Íe M¨vm
 w¯’i ZvcgvÎvq wbw`©ó cwigvb M¨v‡mi Dci wewfbœ cwigvb Pvc
C. PV = nRT mgxKiYwU ev¯Íe M¨vm cy‡ivcywi AbymiY K‡i
cÖ‡qvM K‡i M¨vmwUi †h AvqZb cvIqv hv‡e †m¸‡jv w`‡q †jLwPÎ A¼b
D. PV = nRT mgxKiYwU ev¯Íe M¨vm cy‡ivcywi AbymiY K‡i bv
Ki‡j, †jLwP‡Î cÖ`wk©Z eµ †iLvmg~n GK GKwU wbw`©ó ZvcgvÎvq Pvc
Soln:A, KviY Av`k© M¨vm ej‡Z †Kvb M¨vm GLbI Avwe®‹„Z nqwb|
I AvqZ‡bi m¤úK© wb‡`©k K‡i| ZvB Giv mgZvcxq †iLv ev AvB‡mv_vg©
N2, O2 Av`k© M¨v‡mi KvQvKwQ| wKš‘ Av`k© M¨vm bq| B, C I D mwVK|
bv‡g cwiwPZ| myZivs DËi A|
ev¯Íe M¨vm: ev¯Í‡e †h M¨vm cvIqv hvq Zv‡`i ev¯Íe M¨vm e‡j| 76. cv`v‡_©i †fŠZ ag© m¤ú‡K© wb‡gœi †KvbwU mwVK bq?
ev¯Íe M¨vm mKj ZvcgvÎv I Pv‡c PV = nRT mgxKiY †g‡b P‡j bv| A. M¨v‡mi AvšÍtAvYweK AvKl©Y m‡e©v”P I ¯’vbvšÍi MwZ me©wbgœ
Z‡e wbgœ Pv‡c †hgb 1 atm ev wb‡P Ges D”P ZvcgvÎvq ev¯Íe M¨vmmg~n B. KwVb c`v_© Pv‡c msKywPZ nq bv
†gvUvgywU Av`k© M¨v‡mi b¨vq AvPiY K‡i| wKš‘ D”P Pvc I wbgœ ZvcgvÎvq C. Zij c`v‡_©i NbZ¡ KwVb †_‡K Kg
Av`k© AvPib †_‡K ev¯Íe M¨v‡mi h‡_ó wePz¨wZ N‡U| D. M¨vmxq cv`v_© cv·K c~Y© K‡i _v‡K
Av`k© M¨vm: †h M¨vm me ZvcgvÎv I Pv‡c M¨vm m~Îmg~n h_v e‡qj, Soln:A, KviY, M¨v‡mi AvšÍtAvYweK AvKl©Y mewbgœ Ges ¯’vbvšÍi
Pvj©m Ges A¨v‡fvM¨v‡Wªv m~Î cy‡ivcywi †g‡b P‡i Zv‡K Av`k© M¨vm e‡j| MwZ m‡e©v”P| B, C, D mwVK|
Av`k© M¨vm mKj ZvcgvÎv I Pv‡c PV = nRT †g‡b P‡j| w¯’i 77. wb‡gœi †KvbwU nvB‡Wªv‡R‡bi GKwU cigvYyi fi (g)?
ZvcgvÎvq Av`k© M¨v‡mi Af¨šÍixY kw³ Gi AvqZ‡bi Dci wbf©ikxj
A. 1.67  10–25 B. 1.67  10–24
bq| C. 1.67  10 –22
D. 1.67  10–23
73. †h cigvYyi wbDwK¬qv‡mi †cÖvUb msL¨v mgvb wKš‘ fi msL¨v wfbœ, Sol :B, nvB‡Wªv‡R‡bi GKwU cigvYyi fi = 1.6710–24 gm
n
Zvnv wb‡gœi †KvbwU- 6.021023 wU cigvYyi fi = 2.016 gm
A. AvB‡mvevi B. AvB‡mvgvi
 |

2.016
n = PV  11
 1 wU cigvYyi fi = gm  1.67  10 24 gm  0.04 mol Ans.
6.02  10 23 RT 0.0821 300
78. wb‡gœi †KvbwU Pvj©m-Gi m~Î?
1 84. eZ©gv‡b †Kvb bxwZ cÖ‡qvM K‡i evwYwR¨K wfwˇZ Zij evqy cÖ¯‘Z
A. V  hLb n & T aªæeK B. V  T hLb n & P aªæeK
p Kiv nq?
C. V  n hLb T & P aªæeK D. V  T hLb V aªæeK A. †nbixi c×wZ B. GgvMvif c×wZ
Soln:B, Pvj©m Gi m~Î: w¯’i Pv‡c wbw`©ó f‡ii M¨v‡mi AvqZb C. Ryj-_gmb bxwZ D. †KvbwUB bq
ZvcgvÎvi mgvbycvwZK| V  T (n, P aªæeK) Soln:C,
79. wb‡gœi †Kvb c`v_©wU KwVb, Zij, M¨vm wZb Ae¯’vq cvIqv hvq? 85. w¯’i ZvcgvÎv Ges 760 wg.wg. Pv‡c Kve©bWvB A·vB‡Wi NbZ¡ 22|
A. Kc©yi B. †dbj C. cvi` D. cvwb ZvcgvÎv w¯’i †i‡L NbZ¡ wظY Ki‡Z n‡j wK cwigvY Pvc cÖ‡qvM Ki‡Z n‡e?
Soln:D, cvwb KwVb, Zij, M¨vm 3 Ae¯’vqB cvIqv hvq| A. 750 wg.wg. B. 1520 wg.wg. C. 3040 wg.wg. D. 380 wg.wg.
80. `yBwU M¨v‡mi NbZ¡ d1 I d2 Øviv Ges wWwdDk‡bi ev e¨vc‡bi nvi Soln:B GLv‡b,
r1 I r2 Øviv cÖKvk Kiv n‡j wb‡gœi †KvbwU mZ¨ bq? Pvc, P1 = 760 mm
k k NbZ¡, D1 = D
A. r1 = B. r2 = NbZ¡, D2 = 2D
d1 d2
Pvc, P2 = ?
r1 d2 d1 D D PD
C.  D. r1 = r2 Avgiv Rvwb, 1  2  P2 = 1 2
r2 d1 d2 P1 P2 D1
Soln:D, MÖvnv‡gi M¨vm e¨vcb m~Î nj-w¯’i ZvcgvÎv I Pv‡c †Kvb
= 760 2D  P2 = 1520 mm
M¨v‡mi e¨vc‡bi nvi D³ M¨v‡mi Nb‡Z¡i eM©g~‡ji e¨¯ÍvbycvwZK| D
1 1 86. wb‡gœi †Kvb M¨v‡mi e¨vc‡bi nvi †ekx?
A_©vr r  r=k
d d A. N2 = 14  2 = 28 B. CO2 = 12 + 16  2 = 44
AZGe, `ywU M¨vm d1, d2 Nb‡Z¡i I Zv‡`i e¨vc‡bi nvi h_vµ‡g, C. O2 = 16  2 = 32 D. H2 = 1  2 = 2
Soln:D,
1 1
r1 I r2 n‡j, r1 = k r2 = k
d1 d2
87. fzj m¤úK© †KvbwU?
r d2 d
 1  r1  r2 2 A. PV = nRT B. d=
MP
r1 d1 d1 RT
AZGe A, B, C mZ¨| myZivs DËi n‡e D| 2
C. PV = MRT D. PV = NKT
81. A¨v‡fvM¨v‡Wªv msL¨vi wb‡gœi †KvbwU mwVK gvb? 3
A. 6.02  10–23 B. 1.66  10–24 Soln:C, M¨v‡mi mgš^q m~Î n‡jv, PV = nRT
C. 6.02  10 23
D. 22.4 W W
Soln:C, A¨v‡fvM¨v‡Wªv gvb = 6.023  1023 Ans.  PV = RT  PM = RT  PM = dRT
M V
82. wekªvgKv‡j GK e¨w³ 25C ZvcgvÎv I 100 kPa Pv‡c GK N›Uvq PM
 d = Ges M¨v‡mi Pvc, AvqZb Gi mv‡_ †evëRg¨vb
14 L Aw·‡Rb MÖnY K‡i| e¨w³wU KZ †gvj Aw·‡Rb MÖnY K‡i? RT
A.0.57 mol B. 0.44 mol C. 1.6 mol D. 5 mol 2
aªæe‡Ki m¤úK©, PV = 3 NKT
Soln:A, GLv‡b Pvc, P = 100 kPa = 100000 Pa
= 0.9869 atm 88. GKwU M¨vm‡K msKzwPZ K‡i nVvr m¤cÖmviY Ki‡j Kx N‡U?
AvqZb, V = 14 L A. Pressure of gas is increased
ZvcgvÎv, T = 25C = 298 K B. Temperature of gas is increased
†gvjvi M¨vm aªæeK, R = 0.0821 L atm mol–1 K–1 C. Temperature of gas is decreased
D. None
Avgiv Rvwb, PV = nRT
Soln:C, msKzwPZ Ae¯’vq M¨v‡mi Abymg~‡ni g‡a¨ Zxeª AvšÍ:KYv
n = PV  0.9869  14  0.57 mol Ans. AvKl©Y kw³ weivR K‡i| m¤cÖmvi‡bi mgq Abymg~n ci¯úi †_‡K `~‡i
RT 0.0821 298
83. 27C ZvcgvÎvq I 1.0 atm evqy Pv‡c 1.0 L †ejy‡b wnwjqvg †gvj m‡i †h‡Z _v‡K e‡j G AvšÍiKYv AvKl©‡Yi wecix‡Z Zv‡K KvR Ki‡Z
msL¨v wbY©q Ki| nq| G Kv‡Ri Rb¨ †h kw³ cÖ‡qvRb nq Zv M¨v‡mi †fZi †_‡K †kvwlZ
A. 0.05 B. 0.04 C. 0.06 D. 0.03 nq| GRb¨ Ryj-_gmb cÖfv‡e M¨v‡mi ZvcgvÎv n«vm cvq|
Soln:B, GLv‡b Pvc, P = 1 atm 89. bx‡Pi¸‡jv n‡Z Abv`ª© †Kjvm †ei Ki|
AvqZb, V = 1 L A. cUvm Gjvg B. Møyevi jeY
ZvcgvÎv, T = 27C = 300 K C. mvaviY jeY D. Bcmg jeY
†gvjvi M¨vm aªæeK, R = 0.0821 L atm mol–1 K–1 Soln:C
90. SI GK‡K cÖgvY Pv‡ci gvb KZ?
Avgiv Rvwb, PV = nRT
A. 760 mm (Hg) B.1.01325  105 Nm–2
 |

C. 1 atm D. 101.325 KPa Soln:A

Soln:B 99. †Kvb& ZvcgvÎvq GKwU AYyi MwZkw³ ïb¨ n‡e?
91. mvaviY Ae¯’vq nvB‡Wªv‡Rb M¨vm ZijxKi‡Yi †ÿ‡Î Ryj-_gmb
A. 0C B. 273C
cÖfve cÖ‡hvR¨ bq KviY-
C. 273C D. 116C E. 298 K
A. Gi Drµg ZvcgvÎv GLbI wbY©xZ nq wb n
Sol :C
B. Gi msKU ZvcgvÎv Lye †ewk
100. Av`k© `ªeY wb‡æi †Kvb& m–ÎwU †g‡b P‡j?
C. Gi Drµg ZvcgvÎvi gvb Lye Kg
D. GwU GKwU ¯’vqx M¨vm A. e‡q‡ji m–Î B. f¨vÛvi Iqvj&‡mi m–Î
Soln:C, H2 Gi Drµg ZvcgvÎvi gvb Lye Kg| C. MÖvnv‡gi m–Î D. ivD‡ëi m–Î
92. K¨vjix †¯‹‡j †gvjvi M¨vm aªæeK R Gi gvb KZ? E. RviY msL¨v Øviv
A. 0.082 Cal mol–1 K–1 B. 8.316 Cal mol–1 K–1 Soln:A
–1 –1
C. 1.987 Cal mol K D. 1.987 K Cal mol–1 K–1
n 101 . cÖej Pv‡c iwÿZ CO2 M¨vm‡K †Kvb avZe b‡ji AwZ miæ wQ`ªc‡_
Sol :C
1. wjUvi evqygÛj Pvc GK‡K, R = 0.082 L.atm.K–1 mol–1 wbtmiY Ki‡j mv`v ﮋ ei‡di `vbv cÖvwß †Kvb& cÖfv‡ei d‡j N‡U?
2. Gm, AvB (S.I.) GK‡K, R = 8.314 J K–1 mol–1 A. f¨vÛvi Iqvj ej cÖfve B. Ryj-_g&mb cÖfve
3. K¨vjwi (calorie) GK‡K, R = 1.987 cal K–1 C. wewµqvi †eM cÖfve D. jv-k¨v‡Uwjqvi cÖfve
93. e‡q‡ji m~‡Îi †ÿ‡Î †KvbwU mZ¨?
E. MÖvnv‡gi M¨vm-e¨vcb cÖfve
A. V constant B. P constant
C. T constant D. P and V constant Soln:B
1 102. wb‡Pi †Kvb&wU e‡q‡ji m–Î wb‡`©k K‡i?
Sol :C, e‡q‡ji m~‡Îi †ÿ‡Î, P , T constant.
n
V 1
94. †Kvb GKwU Av`k© M¨vm aªæe PvcgvÎvq 30C ZvcgvÎv †_‡K 60C A. VT (P w¯’i) B. V (T w¯’i)
P
ZvcgvÎvq DËß Ki‡j M¨vmxq c`v‡_©i cwiewZ©Z AvqZb MYbv Kivi Rb¨
C. P1V1 = P2T2 D. PT (V w¯’i)
wb‡gœi †Kvb fMœvsk w`‡q ¸b Ki‡Z n‡e?
E. P = p1 + p2 + p3
30
A. B. 60 C. 273 D. 333 Soln:B
60 30 333 303
Soln:D, †Kvb GKwU Av`k© M¨vm aªæe PvcgvÎvq 30C ZvcgvÎv 103. GKwU ev¯Íe M¨vm cÖvq Av`k© M¨v‡mi gZ AvPiY Ki‡e :
†_‡K 60C ZvcgvÎvq DËß Ki‡j M¨vmxq c`v‡_©i cwiewZ©Z AvqZb A. wbgœ ZvcgvÎvq I wbgœ Pv‡c
B. wbgœ ZvcgvÎvq I D”P Pv‡c
MYbv Kivi Rb¨ 333 Øviv ¸Y Ki‡Z n‡e|
303 C. D”P ZvcgvÎvq I wbgœ Pv‡c
95. wb‡Pi †Kvb c`v‡_©i Rb¨ GKB AvqZ‡bi cv‡Î GKB ZvcgvÎvq D. D”P ZvcgvÎvq I D”P Pv‡c
Pvc m‡e©v”P n‡e? E. AwZ D”P Pv‡c
A. 28g N2 B. 4g H2 C. 17g NH3 D. 4g He
Soln:B, G‡ÿ‡Î 4g nvB‡Wªv‡R‡bi Rb¨ GKB AvqZ‡bi cv‡Î GKB Soln:C, †Kvb GKwU M¨vm hZ †ewk Zij †_‡K `~‡i hv‡e ZZ †ewk
ZvcgvÎvq Pvc m‡e©v”P n‡e| Av`k© AvPiY Ki‡e| D”P ZvcgvÎv I wbgœPv‡c M¨vmwU Zij †_‡K `~‡i
KviY, 28g N2 = 1 mol N2 P‡j hv‡e A_©vr Av`k© AvPiY Ki‡e|
4g H2 = 2 mol H2 104. w¯’i Pv‡c 27C ZvcgvÎvq †Kvb M¨v‡mi AvqZb 200 cm3 n‡j
17g NH3 = 1 mol NH3
KZ ZvcgvÎvq Zvi AvqZb wظY n‡e?
4g He = 1 mol He
A. 254C B. 150C
96. 127C DòZvi gvb cig †¯‹‡j| C. 327C D. 600C E. 13.5C
A. 400K B. 127K C. 273K D. 146K E. 297K V V
Soln:C, Pvj©‡mi m~Î n‡Z, 1  2
Soln:A T1 T2
97. 0.95 atm Pv‡c 25°C ZvcgvÎvq GKwU M¨v‡mi AvqZb 0.38 l
V2 T1 2V1  (27  173)
n‡j D³ ZvcgvÎvq 1.0 atm Pv‡c M¨vmwUi AvqZb-  T2 =  = 600C
V1 V1
A. 0.461 l B. 0.261 l
C. 0.561 l D. 0.361 l E. 0.861 l = (600 – 273) K = 327 K
Soln:D, P1V1 = P2V2 105. f¨vÛviIqvj&m mgxKi‡Y 'a' aªæeK wK wb‡`©k K‡i?
P1V1 0.950.38 A. AYyi AvqZb B. M¨v‡mi Pvc
 V2 = = = 0.361 l
P2 1
98. mve©Rbxb M¨vm aªæeK, R Gi gvb KZ? C. M¨v‡mi AvšÍtAvYweK AvKl©Y D. AYyi MwZ‡eM
A. 0.082 L atm K-1 mol-1 B. 8.34J K-1 mol-1 E. M¨v‡mi AvšÍtAvYweK weKl©Y
-1 -1
C. 8.32 J K mol D. 0.820 L atm K-1 mol-1
E. 1.987 Cal K-1 mol-1
 |

Soln:C, AvšÍ:AvYweK AvKl©‡Yi †ÿ‡Î, f¨vÛvi Iqvj&m mgxKiY T2 V1 (381  273)  250
 V2 =   500cm3
 2  T1 (54  273)
 P  n a  ( v  nb )  nRT
 2 
113. †Kvb&wU M¨vm aªæeK R Gi gvb bq?
 v 
GLv‡b, a, b = aªæeK hviv AvšÍ:AvYweK AvKl©Y ej wb‡`©k K‡i| A. 8.20 102 L atm K 1 mol1
106. N.T.P. †Z 5.6 wjUvi GKwU M¨v‡mi IRb 7.5 MÖvg| M¨vmwUi
B. 8.20  103 L atm K 1 mol1
AvYweK ms‡KZ nj-
1 1
C. 8.32  10 erg K mol
7
A. NH3 B. CO
C. O2 D. H2O E. NO D. 8.31 JK 1 mol 1 E. 1.989 Cal K 1 mol 1
m
Soln:E, PV = RT  M Soln:B, wewfbœ GK‡K R Gi gvb-
M
mRT 7.5  0.0821 273 GK‡Ki bvg GK‡Ki bvg
=   30 hv NO Gi AvYweK fi
PV 1 5.6 wjUvi-evqyPvc 0.0821 L atm K–1 mol–1
wb‡`©k K‡i| Gm.AvB 8.314 JK–1 mol–1
107. GKwU ev¯Íe M¨vm cÖvq Av`k© M¨v‡mi g‡Zv AvPiY Ki‡e- wm. wR. Gm 8.314 107 erg K–1 mol–1
A. wbgœ ZvcgvÎv I wbgœ Pv‡c B. wbgœ ZvcgvÎv I D”P Pv‡c K¨vjwi 1.987 Cal K–1 mol–1
C. D”P ZvcgvÎv I D”P Pv‡c D. D”P ZvcgvÎv I wbgœ Pv‡c 114. NaCl Gi m¤¢ve¨ MvVwbK AvK…wZ wK n‡e?
E. 100K ZvcgvÎvq A. NbKxq B. AóZjxq
Soln:D, D”P ZvcgvÎv I wbgœPv‡c ev¯Íe M¨vmmg~n Av`k M¨v‡mi C. ˆiwLK D. PZz¯ÍjKxq E. wÎfzRvK…wZ
b¨vq AvPiY K‡i| wbgœ ZvcgvÎv I D”PPv‡c Gi wePz¨wZ N‡U| Soln:A
108. Av`k© `ªeY nj- re K¨vUvq‡bi †Kjv‡mi aiY
e¨vmv‡a©i AbycvZ mwbœ‡ek msL¨v
A. hv e‡q‡ji m~Î †g‡b P‡j ra
B. hv f¨vÛviIqvj&‡mi m~Î †g‡b P‡j 0.73 Gi eo 8 NbKxq
0.73–0.41 6 AóZjKxq
C. hv MÖvnv‡gi m~Î †g‡b P‡j
0.41–0.23 4 PZz¯ÍjKxq
D. hv ivD‡ëi m~Î †g‡b P‡j
r 95
E. hv WvjU‡bi m~Î †g‡b P‡j NaCl: e   0.524; mwbœ‡ek msL¨v 6:6
ra 181
Soln:D, †hme `ªeY Av`k© ZvcgvÎv I Pv‡c ivD‡ëi m~Î †g‡b P‡j
 KvVv‡gv AóZjKxq|
Zv‡`i Av`k© `ªeY e‡j|
115. 0C ZvcgvÎv cig †¯‹‡j KZ?
109. wb‡gœi †KvbwU Pvj©m Gi m~Î? A. 0C B. 750 K
A. V  P (T const) B. V  T (P const) C. 273 K D. 298 K E. 300 K
C. P  T (V const) D. V  n (T const) E. D  P Soln:C; C = (273+)K; 0C = (273+0)K = 273 K Ans.
Soln:B 116. †Kvb Ae¯’v‡K STP e‡j?
110. wb‡Pi †Kvb m~ÎwU M¨vm m~‡Îi AšÍfz©³ bq? A. 0C, 76 cm (Hg) B. 0C, 760 cm (Hg)
C. 273 K, 76 cm (H2O) D. – 273 K, 76 cm(Hg)
A. e‡q‡ji m~Î B. Pvj©‡mi m~Î E. – 273 K, 1atm
C. Wvë‡bi AvswkK Pvc m~Î D. A¨v‡fvMv‡Wªvi m~Î Soln:A,
E. †n‡mi m~Î STP = Standard Temperature and Pressure
Soln:E, †n‡mi myÎ Zvckw³i wbZ¨Zv m~Î| STP: 0C ZvcgvÎv Ges 1 atm ev 76 cm (Hg)
NTP = Normal Temperature and Pressure
111. wb‡Pi †KvbwU Av`k© M¨vm?
NTP: 25C ZvcgvÎv Ges 1 atm Pvc
A. Aw·‡Rb B. bvB‡Uªv‡Rb 117. e‡q‡ji m~‡Îi †ÿ‡Î †KvbwU mZ¨?
C. wnwjqvg D. Kve©b g‡bv·vBW E. †KvbwUB bq A. V w¯’i B. P w¯’i
Sol :E, ev¯Í‡e †Kvb M¨vmB Av`k© bq|
n
C. T w¯’i D. T cwieZ©bkxj E. P & V w¯’i
112. w¯’i Pv‡c 54 †m ZvcgvÎvq †Kvb wbw`©ó f‡ii M¨v‡mi AvqZb 250 1
Soln:C, e‡q‡ji m~Î: V  , T aªæeK|
cm3 n‡j GKB Pv‡c 381 †m ZvcgvÎvq M¨v‡mi AvqZb KZ n‡e? p
A. 150 cm3 B. 300 cm3 118. w¯’i Zv‡c †Kvb M¨v‡mi Pvc wظY evo‡j AvqZb n‡e-
C. 350 cm 3
D. 400 cm3 E. 500 cm3 A. wظY B. A‡a©K
C. Pvi¸Y D. GK PZz_©vsk E. GK Z…Zxqvsk
V V
Soln:E, w¯’i Pv‡c, 1  2 Soln:B, w¯’i Zv‡c, P1V1 = P2V2
T1 T2
 |

V2 P2 P 1 B. AwfKl© kw³i mvgvb¨ cÖfve Av‡Q

   1  (A‡a©K) Ans.
V1 P1 2P1 2 C. gva¨vKl© kw³i †Kvb cÖfve †bB
119. f¨vbWvi Iqvjm& aªæeK ‘a’ mwVK GKK- D. gva¨vKl© kw³i mvgvb¨ cÖfve Av‡Q Soln:A
A. atmL2mol-2 B. atmL-2mol-2 129. †mvwWqvg Avq‡bi e¨vmva© 95 pm Ges †K¬vivBW Avq‡bi e¨vmva©
C. Lmol -2
D. atm2L-1 mol-1 E. atm.mol-1 181 pm| NaCl ùwU‡Ki mwbœ‡ek msL¨v KZ?
Sol :A, a Gi GKK atmL2 mol–2 Ges b Gi GKK Lmol–1
n A. 8:8 B. 8:4 C. 6:6 D. 4:4
[wjUvi evqyPvc GK‡K]
120. 5 wjUvi AvqZ‡bi cv‡Î GKwU M¨vm 27 I 1 evqygÐjxq Ave× Av‡Q|
ZvcgvÎv Avi KZ evov‡j M¨v‡mi AvqZb †`o ¸Y e„w× cv‡e? 130.64 g Aw·‡Rb GKwU Ave× cv‡Î 600 K ZvcgvÎvq 2 atm Pvc
A. 150C B. 77C ˆZwi K‡i| H cv‡Î 56 g N2 M¨vm KZ ZvcgvÎvq ivL‡j GKB Pvc ˆZwi
C. 250C D. 300C E. 350C Ki‡e?
V V
Soln:A, Pvj©‡mi m~Î n‡Z, 1  2 A. 300 K B. 200 K
T1 T2 C. 600 K D. 800 K E. 1000 K
V2  T1 1.5V1  (27  273) Soln:C
 T2 =   177 C 131.†Kvb& Ae¯’vq GKwU M¨vm Av`k© M¨v‡mi gZ AvPiY K‡i?
V1 V1
A. wbgœ ZvcgvÎv I wbgœPvc B. D”P ZvcgvÎv I D”QPvc
 T = T2 – T1 = (177–27)C = 150C
C. wbgœ ZvcgvÎv I †h †Kvb Pvc D. D”P ZvcgvÎv I wbgœPvc
121. KZ ZvcgvÎvq †mvwWqvg †K¬vivBW M‡j?
E. wbgœ ZvcgvÎv I D”PPvc
A. 800C B. 500C
Soln:D
C. 100C D. 200C E. 150C
132. w¯’i Pv‡c 0.75L †Kvb M¨vm‡K 27C ZvcgvÎv †_‡K 15C ZvcgvÎvq
Soln:A, NaCl Gi MjbvsK 801C Ges ùzUbvsK 1465C
kxZj Kiv n‡jv| M¨vmwUi AvqZb KZ n‡e?
122. ¯^vfvweK ZvcgvÎvq †Kvb †gŠwjK avZz Zij Ae¯’vq _v‡K? A. 0.721 B. 0.715a C. 0.15L D. 1mL
A. mxmv B. cvi` Soln:A
C. wjw_qvg D. K¨vWwgqvg E. meB 133 . 25 C ZvcgvÎvq 22g CO2 M¨v‡mi AYymg~‡ni MwZkw³ KZ?
Fr Ga Hg Cs A. 1858.179J B. 929.089 J
Soln:B, Zij avZz: C. 84.461 J D. 0 J
d«v‡Ý wM‡q nvRx mvBR
¯^vfvweK ZvcgvÎvq gvÎ `ywU avZz Zij: cvi` (Hg) I wmwRqvg Soln:A
134. NaCl Gi †Kjv‡mi AvK…wZ wb‡Pi †KvbwU?
(Cs)| †Kvb †Kvb eB‡Z d«vwÝqvg I M¨vwjqv‡gi K_v ejv Av‡Q| wKš‘
A. NbK B. g‡bvwK¬wbK C. A‡±vnvBWªvj D. UªvBwK¬wbK
Fr †ZRw¯Œq Ges Ga AcavZz hvi Mjbv¼ 29.78C| ¯^vfvweK ZvcgvÎv
Soln:A
ej‡Z †evSvq 25C. 135. GKwU wbw`©ó ZvcgvÎv I Pv‡c NH3 M¨v‡mi e¨vcb nvi 102 m3/s
n‡j D³ Ae¯’vq H2S M¨v‡mi e¨vcb nvi KZ m3/s?
A. 52 B. 20 C. 10 D. 202
123. M¨v‡mi AYy¸‡jvi MwZkw³ cig ZvcgvÎvi- Soln:C
136. GKB ZvcgvÎv I Pv‡c KZ MÖvg H2S Gi AvqZb 56 MÖvg N2 Gi
A. e¨¯@vbycvwZK B. e‡M©i e¨¯@vbycvwZK
C. mgvbycvwZK D. e‡M©i mgvbycvwZK AvqZ‡bi mgvb n‡e?
Soln:C A. 56 B. 68 C. 28 D. 34
Soln:B
124. 25C ZvcgvÎv‡K †Kjwfb (Kelvin) GK‡K cÖKvk Ki‡j `vovq- 137. 27 C ZvcgvÎvq GKwU M¨v‡mi AvqZb 10 m3| Pvc w¯’i †i‡L
A. 248 K B. 298 K C.100 K D. 200 K
ZvcgvÎv KZ C e„w× Ki‡j AvqZb 12 m3 n‡e?
Soln:B
A. 5.4 B. 32.4 C. 54 D. 60
125. 0.95 atm Pv‡c 25C ZvcgvÎvq GKwU M¨v‡mi AvqZb 0.38 L
Soln:D
n‡j D³ ZvcgvÎv 1 atm Pv‡c M¨vmwUi AvqZb KZ? 138. cøvRgv Ae¯’v c`v‡_©i †Kvb ai‡Yi Ae¯’v?
A. 0.361 L B. 0.371 L C. 0.381 L D. 0.391 L
A. KwVb Ae¯’v B. Av‡qvwWb Ae¯’v
Soln:A
C. Zij Ae¯’v D. M¨vmxq Ae¯’v
126. evwn¨K Pv‡ci cÖfv‡e miæ wQ`ª c_ w`‡q M¨vm m‡Rv‡i †ei n‡q n
Sol :D
Avmv‡K e‡j-
139. 105.27 kPa Pv‡c I 27C ZvcgvÎvq 1.010-3 m3 AvqZb
A. Diffusion B. Effusion C. Osmosis D. Osmotic pressure
Soln:B d¬v‡¯‹i g‡a¨ Ave× CO2 M¨v‡mi AYyi msL¨v-
127. S.I. GK‡K †gvjvi M¨vm aªæeK R Gi gvb nj- A. 2.351022 B. 2.541022 C. 2.351023 D. 2.641022
A. 0.0821 L.atm/ K/mol B. 0.0821 Joule/ k/ mol Soln:B
C. 8.316 Joule/ K/mol D. 8.316107 Joule/K/mol 140. 1 mole cvwb = KZ MÖvg cvwb?
n
Sol :C A. 20 g B. 18 g C. 36 g D. 9 g
128. M¨v‡mi AYy¸‡jvi MwZi Dci- Soln:B
A. AwfKl© kw³i †Kvb cÖfve †bB
 |

141. evZv‡mi g‡a¨ GKfvM AvqZ‡bi Aw·‡Rb Ges Pvi fvM AvqZ‡bi 155. †KvbwU e‡q‡ji m~Î bq?
bvB‡Uªv‡Rb Av‡Q| evZv‡mi †gvU Pvc 760 mm; Aw·‡Rb Ges A. PV = K B. V = K/P C. V 1/P D. v  T
bvB‡Uªv‡Rb AvswkK Pvc n‡”Q- Soln:D
A. 160 mm, 600 mm B. 152 mm, 608 mm 156. †UUªv‡Mvbvj †Kjv‡mi Aÿ `~iZ¡ I †KŠwYK `~iZ¡ h_vµ‡g-
C. 142 mm, 618 mm D. 108 mm, 652 mm A. a = b c I  =  =  = 90
Soln:B B. a = b c I  =  =  = 60
142. ZvcgvÎv w¯’i †i‡L 2.63 atm Pv‡c 1520 ml AvqZb wewkó GKwU C. a = b = c I  =  =  = 90
M¨vm‡K cÖgvY Pv‡c Avbv n‡j Zvi AvqZb n‡e- (07-08; 06-07; 06- D. a  b c I  =  =  = 90
07) Soln:A
A. 3997.6 ml B. 2996.7 ml C. 9337.6 ml D. 4997.6 ml 157. PV = nRT mgxKi‡Y T Gi gvb cÖKvk Kiv nq †Kvb †¯‹‡j?
Soln:A
A. †mjwmqvm B. dv‡ibnvBU
143. K2Cr2O7-Gi †Kjv‡mi AvK…wZ †KvbwU? C. †ivgvi D. cig ZvcgvÎv
A. NbK B. UªvBwK¬wbK C. A‡_©viw¤^K D. g‡bvwK¬wbK Soln:D
Soln:B 158. 25C ZvcgvÎv I 5 evqygÐjxq Pv‡c GKwU 100 wjUvi wmwjÛv‡i
144.c`v‡_©i M¨vmxq Ae¯’vq abvZ¥K Avqb I B‡j±«‡bi cvkvcvwk _vKvi KZ †gvj nvB‡Wªv‡Rb Av‡Q?
Ae¯’v‡K e‡j- A. 20.45 B. 22.45 C. 23.45 D. 24.45
A. ùzUbv¼ B. ùwUK C. cøvRgv D. Mjbv¼ Soln:A
Soln:C 159. GK evqygÐjxq Pvc n‡jv-
145.†KvbwUi †Kjvm KvVv‡gv NbK? A. 100.3 KPa B. 101.3 KPa
A. NaCl B. SnSO4 C. BaSO4 D. NaNO3 C. 102.3 KPa D. 103.3 KPa
Soln:A Soln:B
146.Av`k© M¨vm ev¯Íe M¨v‡mi gZ AvPiY Ki‡e- 160. M¨vm aªæeK R Gi gvb †KvbwU?
A. wbgœ ZvcgvÎvq B. wbgœ ZvcgvÎvq I D”P Pv‡c A. 0.08206 cal / mol.K B. 1.987 cal/ mol.K
C. 8.314 cal/mol.K D. 1.987 J/mol.K
C. D”P ZvcgvÎvq I wbgœ Pv‡c D. AwZ D‡”P Pv‡c
Soln:B
Soln:B 161. Av`k© M¨v‡mi PV ebvg P Kvf© †Kvb& A‡ÿi mgvšÍivj n‡e?
147.25C ZvcgvÎvq 22g CO2 M¨v‡mi AYymg–‡ni MwZkw³-
A. PV Aÿ B. P Aÿ C. PS Aÿ D. †KvbwUB bq
A. 929.9891J B. 1858.179J n
Sol :B
C. 0J D. 84.461J
162. STP-†Z ZvcgvÎv I Pvc n‡e:
Soln:B
148. 17C ZvcgvÎvi 290 mL †Kvb M¨vm‡K w¯’i Pv‡c –13C ZvcgvÎvq A. 0 C. I 1 atm B. 0 K I 1 atm
kxZjxKiY Ki‡j M¨vmwUi cwiewZ©Z AvqZb n‡e: C. 25 C. I 0.5 atm D. 0 C. I 0.5 atm
A. 260 mL B. 270 mL C. 280 mL D. 290 mL Soln:A
Soln:A 163. PV = 0.02 RT mgxKiYwU KZ MÖvg Av`k© M¨vm, A (M = 28 g
149. cÖgvY Ae¯’vq 1120 mL CO2 M¨v‡mi AYy¸wji †gvU fi: mol-1)-Gi mgxKiY?
A. 4.4g B. 2.2g C. 4.0g D. 2.0g A. 5.6 g B. 0.56 g C. 6.5 g D. 0.65 g
Soln:B Soln:B
150. M¨vm X-Gi e¨vcb nvi M¨vm Y-Gi e¨vcb nv‡ii wظY Ges X-Gi ev®úxq 164. SI GK‡K †gvjvi M¨vm aªæeK, R-Gi gvb-
NbZ¡ 2 n‡j, Y M¨vmwUi AvYweK fi n‡e: A. 4.314 J K-1 mol-1 B. 8.314 J K-1 mol-1
-1 -1
A. 2 B. 4 C. 8 D. 16 C. 6.431 J K mol D. 3.143 J K-1 mol-1
Soln:D Soln:B
151. 3L †Kvb M¨v‡mi Pvc I ZvcgvÎv h_vµ‡g wθY I wظY e„w× Ki‡j 165. `ywU M¨vmxq Dcv`vb wewkó wm‡÷‡gi †gvU Pvc 0.5 atm| GKwU
M¨vmwUi b~b¨Zg AvqZb n‡e? Dcv`v‡bi †gvj fMœvsk 0.2 n‡j Zvi AvswkK Pvc KZ?
A. 4L B. 2L C. 6L D. 3L A. 0.1 atm B. 0.01 atm C. 0.05 atm D. 0.2 atm
Soln:B Soln:A
152. 20C ZvcgvÎvq nvB‡Wªv‡Rb AYyi eM©g~j-Mo-eM© KZ? 166. STP †Z 50 cc †K¬vwib M¨v‡mi AYyi msL¨v 50 cc bvB‡Uªv‡Rb
A. 1.87  103 ms–1 B. 7.81  103 ms–1 M¨v‡mi AYyi-
C. 1.91  10 ms
3 –1
D. 9.11  103 ms–1 A. wZb¸Y B. wظY C. A‡a©K D. mgvb
n
Sol :C Soln:D
153. wRcmvg †Kvb ai‡bi †Kjvm? 167. w¯’i ZvcgvÎvq I 1 atm Pv‡c †Kvb wbw`©ó f‡ii Aw·‡Rb M¨v‡mi
A. NbK B. A‡_©viw¤^K AvqZb 3.15 wjUvi nq| M¨v‡mi Pvc e„w× K‡i 2.50 atm Kiv n‡j
C. g‡bvwK¬wbK D. UªvBwK¬wbK AvqZb KZ n‡e?
n
Sol :C A. 1.62 wj. B. 216 wj. C. 621 wj. D. 1.26 wj.
154. 27C ZvcgvÎvq 0.526 atm Pv‡c 15g bvB‡Uªv‡Rb AvqZb KZ? Soln:D
A. 20 L B. 25.05 L C. 30 L D. 10 L 168. 4 dm3 †Kvb Av`k© M¨v‡mi ZvcgvÎv 200K †_‡K 400K-‡Z DbœxZ Ges
Soln:B Pvc A‡a©‡K AebwgZ n‡j Zvi P‚ovšÍ AvqZb KZ n‡e?
 |

A. 2 dm3 B. 4 dm3 C. 8 dm3 D. 16 dm3 Soln:C

Soln:D 182. GKwU ÷xj U¨vs‡K 11.0 atm Pv‡c I 27C ZvcgvÎvq CO2 M¨vm
169. (P+0.04a/V2) (V-0.2b) = 0.2RT mgxKiYwU KZ MÖvg N2-Gi
Av‡Q| U¨vsKwU‡K 100C Zv‡c DËß Ki‡j Avf¨šÍixb M¨v‡mi Pvc n‡e-
Rb¨ cÖ‡hvR¨?
A. 2.8g B. 0.56g C. 5.6g D. 0.28g A. 13.7 atm B. 1.37 atm C. 8.8 atm D. 40.7 atm
Soln:C Soln:A
170. †Kvb †gg‡eª‡Y †eªvwgb M¨v‡mi (Mr=160) e¨vcb nvi 6mm3s-1 183. x, y, z-Aÿ eivei GKK `~iZ¡‡K h_vµ‡g a, b, c w`‡q cÖKvk
n‡j GKB Ae¯’vq Zv‡Z SO3 M¨v‡mi (Mr=80) e¨vcb nvi KZ? Ki‡j †UUªv‡Mvbvj †Kjv‡mi †ÿ‡Î Aÿ `~i‡Z¡i m¤úK© n‡e-
A. 3mm s 3 -1
B. 6/ 2 m C. 6 2 mm s 3 -1
D. 12mm s3 -1 A. a=b=c B. a=bc C. ab=c D. a=2b=c
Soln:C Soln:B
171. wKiƒc Pv‡c I ZvcgvÎvq †Kvb ev¯Íe M¨vm PV=nRT mgxKiYwU 184. H2 AYymg~‡ni MwZ‡eM me‡P‡q †ewk| Gi KviY n‡”Q-
A. AYymg~‡ni g‡a¨ weKl©Y kw³ wµqvkxj
†gvUvgywU †g‡b Pj‡e?
B. AYymg~‡ni Dci gva¨vKl©Y kw³ wµqvkxj bq
A. D”P Pvc; D”P ZvcgvÎv B. D”P Pvc ; wbgœ ZvcgvÎv
C. AYymg~‡ni MwZc‡_ Zv‡`i g‡a¨ †Kvbiƒc msNl© N‡U bv
C. wbgœ Pvc; D”P ZvcgvÎv D. wbgœ Pvc; D”P ZvcgvÎv D. AYyi AvYweK fi me‡P‡q Kg
Soln:C Soln:C
172. wRcmvg †Kvb ai‡bi †Kjvm? 185. ev¯Íe M¨vm Av`k© M¨v‡mi mgxKiY PV = nRT †g‡b P‡j bv| Gi
A. NbK B. g‡bvwK¬wbK C. UªvBwK¬wbK D. A‡_©viw¤^K KviY wb‡gœi †Kvb&wU?
Soln:B A. M¨vm AYyi AvqZb AwZ bMY¨ B. M¨v‡mi AYyi wbR¯^ AvqZb Av‡Q
173. e‡q‡ji m~‡Î †KvbwUi cwieZ©b nq bv? C. M¨v‡mi AYyi MwZ‡eM Lye †ewk
D. M¨v‡mi AYyi wbR¯^ AvqZb I wb‡R‡`i g‡a¨ AvKl©Y ej we`¨gvb
A. ZvcgvÎv B. Pvc C. AvqZb D. NbZ¡
n
Soln:D
Sol :A
174. ev¯Íe M¨vm KLb Av`k© M¨v‡mi AvPiY cÖ`k©b K‡i? 186.†Kvb †Rvov Gwm‡W ZxeªZvi µg fzj?
A. P 1 atm I D”P ZvcgvÎv B. P 1 atm I D”P ZvcgvÎv A. CH3COOH > CH3CH2COOH
C. P = 1 atm I wbgœ ZvcgvÎv D. P = 1 atm I D”P ZvcgvÎv B. ClCH2COOH > CH3COOH
Soln:A C. HClO4 > HNO3
175. KNO3 †Kvb †kÖYxi †Kjvm? D. HF > HCl
A. wKDweK B. †UUªv‡Mvbvj C. A‡_©viw¤^K D. g‡bvwK¬wbK Soln:D
Soln:C 187.wRcmvg †Kjv‡mi †kÖYx n‡”Q-
176. Sl GK‡K mve©Rbxb M¨vm aªæe‡Ki gvÎv KZ? A. NbK B. †n·v‡Mvbvj
A. L Atm K-1 mole-1 B. J K-1 mole-1 C. UªvBwK¬wbK D. g‡bvwK¬wbK
C. N K-1 mole-1 D. Cal K-1 mole-1 Soln:D
n 188. wb‡Pi †KvbwU wKDweK ev NbK bq?
Sol :B
A. WvqgÛ B. iK më C. K¨vjmvBU D. Kcvi avZz
177. †Kvb cv‡Î iwÿZ cvwb‡Z KMnO4 `vbv †Q‡o w`‡j ax‡i ax‡i mg¯Í
Soln:C
cvwbi is †e¸Yx nq| GwU †Kvb& cÖwµqv? 189. w¯’i ZvcgvÎvq GK evqygÛj Pv‡c iwÿZ 100 mL
A. cwiPjb B. wbtmiY C. Awfmªeb D. e¨vcb nvB‡Wªv‡Rb M¨v‡mi Dci Pvc e„w× Ki‡j Gi AvqZb 76 mL nq| M¨v‡mi
Soln:D Pvc e„w×i cwigvY wbY©q Ki|
178. KZ wWMÖx †mjwmqvm ZvcgvÎvq evqy Zi‡j cwiYZ nq? A. 140 mm (Hg) B. 240 mm (Hg)
A. -273 B. -180 C. -184 D. -132 C. 160 mm (Hg) D. 260 mm (Hg)
n
Sol :A Soln:B, p1v1 = p2v2
p1v1 760×100
179. mv`v wfwUªIj †Kvb&wU?  p2 = = = 1000 mm (Hg)
v2 76
A. FeSO4.7H2O B. ZnSO4.7H2O p = p2–p1 = 1000 – 760 = 240 mm (Hg)
C. MgSO4.7H2O C. CaSO4.2H2O
Soln:B 190. MÖvdvBU †Kjv‡mi †kÖYx n‡”Q-
180. f¨vÐvi Iqvjm& mgxKi‡Yi ï× iƒc †Kvb&wU? A. NbK B. g‡bvwK¬wbK
C. UªvBwK¬wbK D. †n·v‡Mvbvj
 
A.  P  n 2a ( V  nb )  nRT B.  P  na2 (V  nb)  nRT
2 2
Soln:D
 V   V 
  191. †Kvb ZvcgvÎvq M¨v‡mi AvqZb gvcv hv‡e bv?
 n2a  A. 0K B. 273 K C. 273 D. 273C
 a 
C.  P  2 (V  nb)  nRT D.  P  2 (V  nb)  nRT Soln:A
 V   V 
 |

192. w¯’i Pv‡c wbw`©ó cwigvY †Kvb M¨v‡mi AvqZb cig ZvcgvÎvi 9. A¨vj‡Kvnj k‡ãi cÖe³v †K?
mgvbycvwZK| G m–ÎwU-
A. e‡q‡ji B. Pvj©‡mi K ev‡R©wjqvm L c¨viv‡mjmvm
C. †M-jymv‡Ki D. M¨v‡mi m–Î M Dnwjqvg kx‡j N Dn&jvi
Soln:B
10. wb‡Pi †KvbwU ˆRe †hŠM bq?
K CH4 L CO2
M C6H12O6 N CH3MgBr
11. ‰Re †hŠM †KvbwU?
K Fe(CO)5 L CaC2
অধ্যায় ০২: জৈব েসায়ি M KCN N C2H2
12. ‰ewkó¨ Abymv‡i ˆRe †hŠM KqwU †kªwY‡Z wef³?
1. ÔcÖvYkw³ gZev`Õ-Gi RbK †K?
K 2wU L 3wU
K iv`vi †dvW© L Dn&jvi
M 4wU N 5wU
M ev‡R©wjqvm N Wvëb
13. A¨vwjd¨vwUK k‡ãi A_© Kx?
2. wb‡Pi †KvbwU BDwiqvi ms‡KZ?
K GwmWag©x L Pwe©RvZ
K CH3COOH L NH4CNO
M Kve©bhy³ N wgwóMÜhy³
O
|| 14. ‡KvbwU A¨vwjd¨vwUK †hŠM?
M (NH2)2CO N NH 3  C  NH 3
K †cÖvwcb L wcwiwWb
3. BDwiqv GKwU- M †ebwRb N _v‡qvwdb
K A‰Re †hŠM L AcavZz 15. wb‡Pi †KvbwU ˆRe †hŠM bq?
M ˆRe ‡hŠM N †fŠZ c`v_© K CS2 L CH4
4. BDwiqv †K Avwe®‹vi K‡ib? M CHCl3 N C2H4
K ev‡R©wjqvm L Dn&jvi 16. ‡jey‡Z †Kvb GwmW _v‡K?
M †evi N Wvëb K UviUvwiK GwmW L mvBwUªK GwmW
5. BDwiqv‡Z †Kvb eÜb we`¨gvb? M A¨vwmwUK GwmW N A·vwjK GwmW
K mg‡hvRx L AvqwbK 17. ‡KvbwU †_‡K j¨vKwUK GwmW cvIqv hvq?
M avZe N mwbœ‡ek K `wa L †jey
6. ev‡R©wjqvm †Kvb †`‡ki weÁvbx? M B¶z N Mj exwP
K myBwWm L Rvg©vb 18. ‡Kvb weÁvbx me©cÖ_g A¨vwmwUK GwmW ms‡kølY K‡ib?
M d«vÝ N BZvwj K kx‡j L Dn&jvi
7. ‰Re †hŠ‡Mi msL¨v KZ? M †Kve N ev‡R©wjqvm
K 80 nvRvi L 1 jÿ 19. ‰Re †hŠ‡M Dcw¯’Z †nUv‡iv cigvYy †KvbwU?
M 50 jÿN 80 jÿ KC LH
8. Aóv`k kZ‡Ki me‡P‡q mv_©K imvqbwe` †K? MS NO
K BDwjqvg kx‡j L †d«WwiK Dn&jvi 20. wdDivb †hŠ‡M Dcw¯’Z †nUv‡iv cigvYy †KvbwU?
M ev‡R©wjqvm N c¨viv‡mjmvm K Aw·‡Rb L bvB‡Uªv‡Rb
 |

M mvjdviN dmdivm M CnH2n-2 N CnH2n+1

21. wb‡Pi †hŠMwU Am¤ú„³? 32. wb‡Pi †KvbwU wUªcj eÜb (CC) we`¨gvb?
K C2H6 L C2H4 K A¨vj‡Kb L A¨vjKvBb
M C4H10 N C3H8 M A¨vj‡Kvnj N Bw_b
22. e× wkKj †hŠM ‡KvbwU? 33. Aw¯’ †_‡K †Kvb ˆRe †hŠMwU cvIqv hvq?
K 2-wg_vBj †cÖv‡cb L weDU-1-Bb K KzB‡bvwjb L †c‡Uªvj
M Bw_b A·vBW N Bw_b M G÷vi N UjyBb
23. A¨v‡iv‡gwUK †hŠ‡Mi D`vniY †KvbwU? 34. BDwiqvi cÖavb Drm Kx?
K mvB‡K¬vweDwUb L †UUªvnvB‡Wªv wdDivb K Dw™¢` L KvôcvZb
M wdDivb N Bw_wjb A·vBW M ‡c‡Uªvwjqvg N Rxe Rš‘
24. ‡Kvb †hŠMwU‡Z -eÜb Abycw¯’Z? 35. wb‡Pi †KvbwU A¨v‡iv‡gwUK †hŠM?
K B_vBb L mvB‡K¬v‡n‡·b
K L
M wcwiwWb N †ebwRb
25. ÔA¨vwjdviÕ †Kvb fvlvi kã?
K divmx L Aviex M N
M BZvwjqvb N wMÖK
36. Bw_wjb A·vBW ( H 2C  CH2 ) Kx ai‡bi †hŠM?
26. Aroma k‡ãi A_© Kx?
O
K KUzMÜ L MÜnxb
K †nv‡gvmvBwK¬K L †nUv‡ivmvBwK¬K
M mywgwó MÜ N Zxeª SuvSv‡jv MÜ
M A¨v‡iv‡gwUK N Am¤ú„³
27. ‡nUv‡iv mvBwK¬K A¨vwjd¨vwUK †hŠM bq †KvbwU?
37. wb‡Pi †KvbwU ÒcvB‡ivjÓ Gi ms‡KZ?
K Bw_b A·vBW
HC CH HC CH
L †UUªvnvB‡Wªv wdDivb K || || L || ||
M †UUªvnvB‡Wªv_v‡qvwdb HC CH HC CH
O S
N mvB‡K¬v‡n‡·b
28. ‡KvbwU welg PvwµK A¨v‡iv‡gwUK ‡hŠM? HC CH
OH || ||
K mvB‡K¬v‡n‡·b L †UUªvnvB‡WªvwdDivb HC CH
M wg_vBj †ebwRb N wdDivb M N N
|
29. dzjvwib †hŠ‡M KZwU Kve©b cigvYy we`¨gvb? H
K 1wU L 20wU 38. wb‡Pi †KvbwU PvwµK ev e× wkKj A¨vwj‡dwUK †hŠM?
M 60wU N 100wU K mvB‡K¬v weD‡Ub L wcwiwWb
30. Kve©b (C) cigvYyi †hvRbx KZ? M A¨vb_ªvwmb N KzB‡bvwjb
K2 L4 39. AwaKvsk ˆRe †hŠM cÖ¯‘Z Kiv nq-
M3 N6 K Kve©b weRviY c×wZ‡Z L ms‡kølY c×wZ‡Z
31. wb‡Pi †KvbwU A¨vjwK‡bi mvaviY ms‡KZ?
M we‡qvRb c×wZ‡Z N cÖwZ¯’vcb c×wZ‡Z
K CnH2n+2 L CnH2n
 |

40. Dw™¢¾ c`v‡_© C,H,O Ges cÖvwYR c`v‡_© N,S,P 50. ‰Re †hŠ‡M Kve©‡bi mv‡_ †Kvb †gŠj hy³ n‡Z cv‡i?
_v‡K| GwU‡K cÖgvY K‡ib? K bvB‡Uªv‡Rb L †mvwWqvg
K evDwj L j¨vfqwm‡q M wmwjKb N †evib
M Dn&jvi N ev‡R©wjqvm 51. ‰Re †hŠ‡M cÖavbZ †Kvb eÜbwU we`¨gvb?
41. mwµq Kve©b cigvYyi ‡hvR¨Zv ¯Í‡i KqwU AhyM¥ B‡jKUªb K AvqwbK eÜb L mg‡hvRx eÜb
_v‡K? M mwbœ‡ek eÜb N nvB‡Wªv‡Rb eÜb
K 2wU 52. ¯Íb¨cvqx cÖvYxi cÖmªv‡e †Kvb c`v_©wU cvIqv hvq?
L 4wU K TSP L DAP
M 6wU M KCl N NH2CONH2
N †Kv‡bv AhyM¥ B‡jKUªb _v‡K bv 53. ‡KvbwU Avwe®‹v‡ii gva¨‡g cÖvYkw³ gZev` fyj cÖgvwYZ
42. wb‡Pi †Kvb †hŠMwU †i‡Rvb¨vÝ ag© cÖ`k©b K‡i bv? nq?
K †ebwRb L wg_vBj †ebwRb K mycvi dm‡dU L A¨v‡gvwbqv
M mvB‡K¬v‡n‡·b N wcwiwWb M Kve©b N Aw·‡Rb
43. m¤ú„³ ˆRe †hŠ‡M Kx ai‡bi eÜb Dcw¯’Z _v‡K? 54. wb‡Pi †Kvb ˆRe †hŠ‡Mi ag©?
K wmMgv eÜb L cvB eÜb K ˆRe †hŠM we`y¨r cwievnx
M wmMgv I cvB eÜb N wØ-eÜb ev wÎ-eÜb L Kg Mjbv¼ I ùzUbv¼ wewkó
44. wb‡Pi †Kvb †hŠMwU †i‡Rvb¨vÝ ag© cÖ`k©b K‡i bv? M K¨v‡U‡bkb ag© †bB
K †ebwRb L wg_vBj †ebwRb N cÖavbZ AvqwbK eÜb we`¨gvb
M mvB‡K¬v‡n‡·b N wcwiwWb 55. wg_vb‡ji ùzUbv¼ KZ?
45. Kv‡ev©mvBwK¬K A¨v‡iv‡gwUK †hŠ‡Mi ej‡q †Kvb cigvYywU K 65C L 60C
Dcw¯’Z _v‡K? M 62C N 64C
K Aw·‡Rb L Kve©b 56. wb‡Pi †KvbwU B_vb‡ji ùzUbv‡¼i gvb?
M bvB‡Uªv‡Rb N mvjdvi K 70C L 73.5C
46. kvLv wkKj †hŠM †KvbwU? M 78.3C N 65C
K Bw_b A·vBW L weDU-1-Bb 57. wb‡Pi †KvbwU wK‡Uvb Gi mvaviY ms‡KZ?
M †UUªvnvB‡WªvwdDivb N 2-wg_vBj †cÖvwcb K CnH2n+2 L CnH2nCOOH
47. A‰Re †hŠM n‡Z cÖ_g ˆRe †hŠM ms‡kølY K‡ib †K? M CnH2n+1OH N CnH2nO
K ev‡R©wjqvm L †gvm‡j 58. CnH2n+1CHO wb‡Pi †Kvb †hŠ‡Mi mvaviY ms‡KZ?

M j¨vfqwm‡q N Dnjvi K wK‡Uvb L Kve©w·wjK GwmW

48. Kve©b wkKj Øviv MwVZ wewfbœ †hŠ‡Mi imvqb‡K Kx e‡j? M A¨vj‡Kvnj N A¨vjwWnvBW

K ‡fŠZ imvqb L ˆRe imvqb 59. mg‡MvÎxq †kªwYfz³ m`m¨‡K Kx e‡j?

M A‰Re imvqb N cwi‡ek imvqb K mg‡MvÎK L Amg‡MvÎK

49. cÖvYkw³ gZev` KZ mv‡j cÖwZwôZ nq? M †nvgmvBwK¬K N †nUv‡iv‡jvMvm

K 1810 L 1812 60. A¨vj‡Kb †Kvb cÖwµqvi gva¨‡g cÖ¯‘Z Kiv nq?

M 1813 N 1815 K cÖwZ¯’vcb L weRviY

 |

M wW-Kvew·‡jkb N Kve©b weRviY K A¨vj‡Kb L A¨vjwKb

61. 3R – OH+ PX33A+H3PO3; wewµqvq A †hŠMwU M A¨vjKvBb N n¨v‡jvA¨vj‡Kb
n‡jv 71. d¨vwU Gwm‡Wi †ÿ‡Î mvaviY ms‡K‡Zi Rb¨ n Gi gvb KZ
K RCOOH L HX n‡e?
M RX N H2O K 0, 1 L 1, 2
62. wb‡Pi †KvbwU A¨vwg‡bi mvaviY ms‡KZ? M 2, 3 N me¸‡jv
K CnH2n–1NH2 L CnH2n+1NH2 72. AvYweK fi e„w×i mv‡_ mv‡_ mg‡MvÎxq †kªwYi †fŠZ ag©-
M CnH2nNH2 N CnH2n–1NH3 K n«vm cvq L e„w× cvq
63. wb‡Pi †KvbwU A¨vjwK‡bi mg‡MvÎK bq? M µgvbymv‡i cwieZ©b N‡U N AcwiewZ©Z _v‡K
K C2H4 L C3H6 73. ‡n‡Þ‡bvb Gi mg‡MvÎxq †kÖwYi bvg Kx?
M C3H8 N C4H8 K A¨vjwWnvBW L B_vi
64. GKB mg‡MvÎxq †kÖwYi cici msjMœ `ywU †hŠ‡Mi AvYweK
M A¨vj‡Kvnj N wK‡Uvb
ms‡K‡Z †Kvb g~jKwUi cv_©K¨ i‡q‡Q?
74. C11H22 ‡hŠMwUi †ÿ‡Î mwVK?
K – CH3L C3H6
K `ywU  eÜb we`¨gvb
\ /
M – CH2 – N CC L m¤ú„³ †hŠM
/ \
65. A¨vj‡K‡bi mvaviY ms‡KZ †KvbwU? M †eqvi cixÿv †`q
K CnH2n+2 L CnH2n N Ag Gi mv‡_ wewµqv †`q bv
M CnH2n–2 N CnH4n+2 75. C18H34 ‡hŠMwUi †ÿ‡Î mwVK?
66. A¨vjwWnvB‡Wi mvaviY ms‡KZ n = 1 emv‡j †Kvb K †eªvwgb `ªeY cixÿv †`q L Am¤ú„³ †hŠM
mg‡MvÎKwU cvIqv hvq?
M `ywU  eÜb we`¨gvb N me¸‡jv
K H – CHO L CH3–CHO
76. wb‡Pi †KvbwU GwmW A¨vbnvBWªvB‡Wi MvVwbK ms‡KZ?
M C6H5–CHO N CH3–COOH
O
67. mg‡MvÎxq †kªwYi ˆewkó¨ bq †KvbwU? ||
K  C Cl L –C  N
K G‡`i K‡qKwU mvaviY cÖ¯‘Z c×wZ _v‡K
| |
L G‡`i m`m¨¸‡jv wfbœ †gŠj Øviv MwVZ M  C O  C N >C=O
M G‡`i wbw`©ó Kvh©Kix g~jK i‡q‡Q | |
N G‡`i ivmvqwbK a‡g© mv`„k¨ i‡q‡Q 77. – CO NH2 †hŠMwUi Kvh©Kix g~j‡Ki bvg Kx?
68. A¨vj‡Kvn‡ji mvaviY ms‡KZ †KvbwU? K A¨vwg‡bv g~jK L GwmW †K¬vivBW g~jK
K CnH2n+2OH L CnH2n+1OH M A¨vgvBW g~jK N bvB‡Uªv g~jK
M CnH2n–2OH N CnH2nOH 78. Awjwdb g~j‡Ki MvVbwK ms‡KZ †KvbwU?
69. A¨vjKvB‡bi mvaviY ms‡K‡Zi Rb¨ n Gi gvb †KvbwU n‡Z CO COC
K L
cv‡i?
K 0, 1, 2, 3 L 1, 2, 3, 4 M CC N –CC–
M 2, 3, 4, 5 N †KvbwUB bq 79. wb‡Pi †Kvb †hŠ‡M wK‡Uv g~jK Dcw¯’Z?
70. ‡KvbwU m¤ú„³ nvB‡WªvKve©b?
 |

O O O
|| || ||
K H  C H M  C X N  C OH
O 86. ‡Kvb Kvh©Kix g~jKwewkó †hŠMwU cÖwZ¯’vcb wewµqv cÖ`k©b
|| K‡i?
L CH3  C  O  CH3
O
O ||
|| K  C OH L CC
M CH3  C  NH 2
M–CC– N †Kv‡bvwUB bq
O
|| 87. mvj‡dvwbK Gwm‡Wi Kvh©Kix g~j‡Ki ms‡KZ †KvbwU?
N CH3  C  CH3
K –SO2H L –SO3H
80. G÷v‡ii Kvh©Kix g~j‡Ki ms‡KZ †KvbwU? M –SO4H N R – SO3H
K – COOH L – COOR 88. wb‡Pi †KvbwU me‡P‡q †ewk mwµq g~jK?
M – CHO N – CONH2 K –CHO L –OH
81. 81. COC MvVwbK ms‡KZ wewkó g~j‡Ki M –COOH N >C = O
mg‡MvÎxq †kÖwY †KvbwU? 89. CnH2n mvaviY ms‡KZ wewkó †hŠMwU Kx?

K wK‡Uvb L G÷vi K A¨vj‡Kb L A¨vjwKb

M B_vi N GwmW n¨vjvBW M A¨vjKvBb N B_vi
82. ˆRe wewµqvi imvqb †KvbwUi Dci †K›`ªxf~Z? 90. C3H6 AvYweK ms‡KZwewkó †hŠ‡Mi mvaviY ms‡KZ
†KvbwU?
K mg‡MvÎxq †kªwY L Kvh©Kix g~jK
K CnH2n L CnH2n–2
M Am¤ú„³Zv N †Kv‡bvwUB bq
M CnH2n+2 N CnH4n+2
83. ‰Re †hŠ‡M GKK-eÜb gy³ Kvh©Kix g~jK Dcw¯’Z _vK‡j
†Kvb ai‡bi wewµqv msNwUZ nq? 91. ‡Kv‡bv ˆRe †hŠ‡M GKmv‡_ CC I C C
K cÖwZ¯’vcb wewµqvL AcmviY wewµqv eÜb Dcw¯’Z _vK‡j Zvi †hŠM †kÖwY †KvbwU n‡e?
M DfqB N †Kv‡bv wewµqv †`q bv K A¨vj‡Kb L A¨vjwKb
84. C = C I C  C eÜbhy³ ˆRe †hŠ‡M †Kvb ai‡bi wewµqv M A¨vjKvBb N A¨vjwKbvBb
N‡U? 92. `kwU Kve©b ci¯úi hy³ n‡q MwVZ A¨vj‡K‡bi bvg Kx?
K cÖwZ¯’vcb wewµqv K A‡±b L b‡bb
L ms‡hvRK wewµqv M Db †W‡Kb N †W‡Kb
M cÖwZ¯’vcb I ms‡hvRb wewµqv CH 3
N †Kv‡bvwUB N‡U bv |
93. CH3  C  CH 3 †hŠMwUi mvaviY bvg Kx?
85. GwmW A¨vgvBW mg‡MvÎxq †kÖwYi Kvh©Kix g~jK †KvbwU? |
O O O CH 3
|| || || H
/
K  C O  C L  C N K AvB‡mv †cÖv‡cb L WvB wg_vBj †cÖv‡cb
\
H M AvB‡mv †c‡›Ub N wbI †c‡›Ub
94. wb‡Pi †KvbwU bvgKi‡Yi wbqg bq?
 |

K mvaviY c×wZ L RvZ c×wZ M Kve©w·wjK GwmW N A¨vjwWnvBW

M RvZMZ c×wZ N IUPAC c×wZ 101. IUPAC Gi c~Y© bvg Kx?
95. CH3 –C(CH3)2–CH2–C(CH3)H–CH3 †hŠ‡Mi K International Union for Pure & Applied
IUPAC bvg Kx? Chemistry
K 2, 2, 4 UªvBwg_vBj †c‡›Ub L International Union of Pure & Applied
Chemistry
L 2, 4, 4 UªvBwg_vBj †c‡›Ub
M International Union of Purification and
M 2, 2 WvBwg_vBj 4-wg_vBj †c‡›Ub
Application Chemistry
N me¸‡jvB mwVK bvg
N International Union for Pure and
96. Application Chemistry
CH 3 102. A¨vj‡Kb †_‡K GKwU nvB‡Wªv‡Rb cigvYy AcmvwiZ n‡j †h
|
CH 3  CH 2  CH  CH 2  CH 2  CH 2  CH  C  CH 3 GK‡hvRx g~jK cvIqv hvq Zv‡K Kx e‡j?
| | |
H 3C CH CH2 CH K A¨vjKvBj g~jK L Kvh©Kix g~jK
3
| |
CH3 CH3 M B_vBj g~jK N A¨vivBj g~jK
103. IUPAC c×wZ‡Z ‡Kvb Ask e¨eüZ nq?
‡hŠMwUi mwVK IUPAC bvg †KvbwU?
K Dcc` L kãg~j
K 2,2 WvBwg_vBj-3,7-WvBB_vBj b‡bb
M cic` N me¸‡jv
L 2,2,8 UªvBwg_vBj-3,7-WvBB_vBj b‡bb
104. ‡Kvb AvYweK ms‡KZ A¨vjwWnvBW I wK‡Uv‡bi mgvYy ˆZwi
M 3,7-WvBB_vBBj-2,2,8-UªvBwg_vBj b‡bb
Ki‡e?
N †Kv‡bvwUB bq
K C3H6O L C3H8O
97. A¨vjwKb mg‡MvÎxq †kªwYi cÖwZwU †hŠ‡Mi bv‡gi †k‡l †Kvb
M C4H8O N C4H6O
kãwU †jLv nq?
CH 3
K Gb L Bb |
M AvBb N Avb 105. CH 3  C  OH ‡hŠMwUi AvšÍRvwZ©K c×wZ‡Z bvg Kx
|
98. wb‡Pi †Kvb ˆRe †hŠ‡Mi m~PK msL¨v D‡jøL Ki‡Z n‡e? CH 3
K CH3 – CH = CH2 L CH3 – C=CH n‡e?
O
|| K UªvBwg_vBj A¨vj‡Kvnj
M CH3  CH2  C  CH3 L 2, 2- WvBwg_vBj B_vb-2 Aj
N CH3  CH 2  CH  CH 2 M 1, 1, 1 UªvBwg_vBj wg_vbj
99. wb‡Pi †Kvb mg‡MvÎxq †kÖwYi bvgKi‡Yi †ÿ‡Î Kvh©Kix N 2-wg_vBj †cÖvcvb - 2- Aj
g~j‡Ki Kve©b cigvYy‡K 1 bs Kve©b wn‡m‡e a‡i cÖavb 106. wb‡Pi †Kvb ‰Re †hŠ‡Mi bvgKiY AvšÍRvwZ©K ev IUPAC
wkKj wbev©Pb Kiv nq? c×wZ AbymiY Kiv n‡q‡Q?
K A¨vjwWnvBW L wK‡Uvb K B_vBj WvBwg_vBj wg‡_b
M A¨vj‡Kvnj N me¸‡jv L wg_vBj †cÖvcvBj B_vi
100. ‡Kvb mg‡MvÎxq †kÖwYi †hŠ‡Mi bv‡gi †k‡l bvj ev Avj M 5-B_vBj-2, 3-WvBwg_vBj A‡±b
†jLv nq?
N wg_vBj wdbvBj wK‡Uvb
K A¨vj‡Kvnj L wK‡Uvb
 |

O C2 H 5 H CH3
| | 112. CC ‡hŠMwUi bvg Kx?
107. CH 3  CH  CH  C  C  CH 2  CH 3
| | | C2 H 5 H
CH 3 CH 2 CH 3 K trans-2- †K¬v‡iv weD‡Ub
|
L trans-2-‡cw›Ub
CH 3
M Cis-2 -weD‡Ub
‡hŠMwUi mwVK IUPAC bvg †KvbwU?
N trans-2-weDwUb
K 2,5 WvBwg_vBj-3,5-WvBB_v‡c›U-4-Ib
CH3 CH3
L 3,5 WvBwg_vBj-2,5-WvB_vBj‡c›U -4-Ib
113. CC †hŠMwUi mwVK bvg Kx?
M 3,5-WvBB_vBj-2,5-WvBwg_vBj‡c›U-4-Ib
H Cl
N me¸‡jvB mwVK
K tran-2- †K¬v‡iv weDwUb
108. CH 3  CH CH 2  CH 3 ‡hŠMwUi IUPAC bvg Kx?
| L Cis-2- †K¬v‡iv weDwUb
Br M 1, 2- WvBwg_vBj Bw_b
K 3 †eªv‡gvweD‡Ub L 2-‡eªv‡gvweD‡Ub N Cis-2- †K¬v‡iv weDwUb
M B_vBj wg_vBj †eªvgvBW N K I L DfqB 114. bvBUªvBj mg‡MvÎxq †kªwYi AcÖavb g~j‡Ki bvg Kx?
CH 3 K mvqv‡bv L bvBUªvBj
|
109. CH 3  CH  C  C  C  C  C  CH 3 †hŠMwUi M _vqj N Ib
| | 115. CH3  CH  CH  C  CH3 ‡hŠMwUi cÖavb ev gyL¨
CH 3 CH 3 | | ||
NH 2 OH O
bvg Kx?
Kvh©Kix g~jK †KvbwU?
K 2, 7, 7- UªvBwg_vBjA±-3, 5 WvBAvBb
K –NH2 L – OH
L 2, 7, 7- UªvBwg_vBjA±-3, 5 WvBBb
O
M 2, 7, 2- UªvBwg_vBjA±-3, 5 WvBAvBb ||
N 2, 2, 7- UªvBwg_vBjA±-3, 5 WvBAvBb M  C  N – CH3

110. C5H12 AvYweK ms‡KZ Øviv KqwU †PBb mgvYy m¤¢e? 116. Kvh©Kix g~j‡Ki AMÖvwaKvi µ‡gi †ÿ‡Î †KvbwU mwVK?

K2 L3 K – COOH  –CHO – CN

M4 N5 L – CO – – NH2  – CHO

H H M – SH  –OH  – NH2
111. CC Gi bvg Kx? N – CN  – CO –  – NH2
CH3 CH3 CH3 H
117. ‡hŠMwUi bvg Kx?
K Cis-2 weDwUb
H CH3
L weDwUb-2
K mvB‡K¬v‡cÖv‡cb
M 1,2 WvB wg_vBj Bw_j
L UªvÝ 1, 2- wg_vBj mvB‡K¬v‡cÖv‡cb
N trans-2- weDwUb
M UªvÝ- 1, 2 WvB wg_vBj †c‡›Ub
 |

N UªvÝ 1, 2 WvBwg_vBj mvB‡K¬v‡cÖv‡cb N 2, 2- WvB wg_vBj weD‡Ub

118. MvVwbK mgvYyZv KZ cÖKvi? 128. ‡Kvb AvYweK ms‡KZ A¨vj‡Kvnj I B_vi mgvYy ˆZwi K‡i?
K3 L4 K C3H6O L C3H6O2
M2 N5 M C3H8O N C4H6O
119. wb‡Pi †Kvb †hŠ‡Mi R¨vwgwZK MVb mij ‰iwLK n‡e? 129. n ‡cÖvcvBj A¨vj‡Kvnj I iso ‡cÖvcvBj A¨vj‡Kvnj †Kvb
†kªwYi mgvYyZvi D`vniY?
K wg‡_b L cvwb
K Ae¯’vb mgvYy L †gUvgvwiRg
M B_vBb N weDwUb
120. wb‡Pi †Kvb †hŠ‡Mi R¨vwgwZK MVb m¤¢e? M †U‡UvgvwiRg N Kvh©Kix g~jK
130. wb‡Pi †KvbwU Av‡jvK mwµq mgvYy?
K weDwUb-1 L weDwUb-2
K CH3–CH(NH2)–COOH
M †cÖvwcb N A¨vj‡Kvnj
L (CH3)3C – OH
121. ‰Re †hŠ‡Mi mgvYyZv cÖavbZ Kqfv‡M wef³?
M H3C – CH =CH–CH3
K2 L3
N CCl4
M4 N5
131. ‡÷wiI mgvYyZv cÖ`k©Y K‡i †Kvb †hŠM KvVv‡gv?
122. C6H4Cl2 Gi KqwU mgvYy m¤¢e?
K CH3–CH= CH – CH3
K4 L2
L CH3–CH(NH2)–COOH
M3 N5
M CH3 – CH2 –CH = CH2
123. MvVwbK mgvYyZv‡K Kqfv‡M fvM Kiv n‡q‡Q?
N CH3 – CH3
K2 L4
132. j¨vKwUK Gwm‡Wi KbwdMv‡ikb †KvbwU?
M5 N6
CH 3 COOH
124. wb‡Pi †KvbwU MvVwbK mgvYZvi cÖKvi‡f` bq? | |
K Ae¯’vb mgvYyZv L U‡UvgvwiRg K H  C  H L H  C  OH
| |
M †÷wiI mgvYyZv N Kvh©Kix g~jK mgvYyZv COOH CH 3
125. C2H5OH I CH3OCH3 †hŠM `ywU-
CHO OH
K mgvK…wZ †Kjvm L mgvYyK | |
M H  C  OH N H  C  CH 3
M GKB Kvh©Kix g~jKhy³ †hŠM
| |
N ÿviagx© COOH CHO
126. CH3–O–CH3 I CH3 – CH2 – OH †hŠM `ywUi †ÿ‡Î 133. d- j¨vKwUK Gwm‡Wi AveZ©b †KvY KZ?
†Kvb Dw³wU AmZ¨?
K + 2.24 C L -224 C
K GwmW †fŠZ ag© wfbœ M -1.24 C N + 1.24 C
L G‡`i ivmvqwbK ag© wfbœ 134. mg‡gvjvi d I l mgvYyi wgkªY‡K Kx e‡j?
M Giv GKB mg‡MvÎxq †kÖwYi †hŠM K GbvbwmIgvi L †iwmwgK wgkªY
N Giv GKB AvYweK ms‡KZwewkó †hŠM M Wvqv‡÷vwigvi N j¨vKwUK GwmW
127. C5H12 AvYweK ms‡KZwewkó †hŠMwUi mgvYy bq †KvbwU? 135. hyMcrfv‡e Kvh©Kix g~jK cwieZ©b nIqv‡K Kx e‡j?
K †c‡›Ub L 2-wg_vBj weD‡Ub K †gUvgvwiRg L U‡UvgvwiRg
M 2, 2 WvBwg_vBj †cÖv‡cb
 |

M g‡bvgi N GbvbwmIgvi K4 L8
136. wb‡Pi †Kvb †hŠMwU n‡Z 3wU mgvYy cvIqv m¤¢e? M 16 N 32
K C2H6O L C2H4O2 147. Av‡jvK mwµqZv wbY©q Kivi Rb¨ †Kvb hš¿wU e¨envi Kiv
M C3H6O N C 3 H8 O nq?
137. wb‡Pi †Kvb †hŠMwUi †Kvb mgvYy †bB? K †µv‡gvwgUvi L wmM‡gvwgUvi
K C2H6O L C4H10 M †cvjviwgUvi N K¨vjwiwgUvi
M C3H8 N C3H6O 148. C4H8 †hŠMwU-
138. C4H10O AvYweK ms‡KZwewkó †hŠ‡Mi KZwU mgvYy m„wó K U‡jb weKvi‡Ki mv‡_ wewµqv †`q
m¤¢e? L R¨vwgwZK mgvYyZv cÖ`k©b K‡i
K 3wU L 5wU M †hŠMwU A¤øagx©
M 6wU N 7wU N PviwU mgvYy Drcbœ K‡i
139. MwZkxj Kvh©Kix g~jK mgvYyZv †KvbwU? 149. ‡Kvb †hŠMwU U‡UvgvwiRg †`Lvq?
K †gUvgvwiRg L U‡UvgvwiRg K †cÖvwcb-2
M Ae¯’vb mgvYyZv N R¨vwgwZK mgvYyZv L †cÖvwcb-2-Aj
140. B_vb‡ji AvB‡mvgvi †KvbwU? M weDwUb-1
K WvBwg_vBj B_vi L A¨vwm‡Uvb N 1,4-WvB‡K¬v‡iv‡ebwRb
M WvBB_vBj B_vi N A¨vwmUvjwWnvBW 150. wb‡Pi †KvbwU R¨vwgwZK mgvYyZv †`Lvq?
141. ‡cÖvcvbj-1 I ‡cÖvcvbj -2 †hŠM `ywU‡Z Kx RvZxq mgvYyZv K abc = cbb L abc = caa
cwijwÿZ nq?
M aac = cbb N abc = cab
K wkKj mgvYyZv L Ae¯’vb mgvYyZv 151. ‡ebwRb †hŠ‡Mi AvK…wZ-
M Kvh©Kix g~jK mgvYyZv N U‡UvgvwiRg K PZzfz©RvKvi L mylg PZzfR
z© vKvi
142. A¨vwm‡Uv A¨vwmwUK G÷v‡ii wK‡Uvb MVb I Bbj MVb
M lofzRvKvi N mylg lofzRvKvi
cÖK…Zc‡ÿ-
152. ‡ebwRb †hŠM cÖ`k©b K‡i-
K †gUvgvi L U‡Uvgvi
K GK cÖwZ¯’vcb wewµqv L wØ-cÖwZ¯’vcb wewµqv
M wmm-UªvÝ mgvYy N †g‡mv mgvYy
M wÎ cÖwZ¯’vcb wewµqv N eû cÖwZ¯’vcb wewµqv
143. wb‡Pi †Kvb †hŠMwU Kvh©Kix g~jK mgvYyZv cÖ`k©b K‡i?
153. CH3 – CH2 – CH3 (‡cÖv‡cb) Gi MvVwbK ms‡KZ m¤¢e-
K C3H6O L C3H10O
K GKwU L `yBwU
M C3H8 N C5H12
M wZbwU N PviwU
144. ‡KvbwU mg‡MvÎxq †kªwY †gUvgvwiRg cÖ`k©b K‡i?
154. C3H8O Gi mgvYy ‡KvbwU?
K †m‡KÛvwi A¨vj‡Kvnj L wK‡Uvb
K CH3–CH2–CH2–OH
M B_vi N me¸‡jv
OH
145. BDwiqvi AvB‡mvgvi †KvbwU? |
K KCNO L NH4CNO L CH 3  CH  CH 3

M NH4NO3 N NH4Cl M CH3 – O – CH2 – CH3

146. ‡Kvb †hŠ‡Mi KvBivj †K›`ª 4 n‡j KZwU mgvYy m¤¢e? N me¸‡jv
155. C3H4 †hŠ‡Mi mgvYy KqwU?
 |

K 1wU L 2wU 164. 164. †KvbwU A¨v‡iv‡gwUK nvB‡WªvKve©b-

M 3wU N ‡bB K †n‡Þb L †K¬v‡ivdg©
156. wb‡Pi †KvbwU A¨v‡iv‡gwUK †hŠM? M wcwiwWb N digvwjb
165. A¨v‡iv‡gwUK k‡ãi Drm wb‡Pi †KvbwU?
K L K j¨vwUk L Bs‡iwR
+
M wMÖK N dvwm©
166. ‡ebwR‡bi b¨vq myMwÜhy³ †hŠM‡K Kx ejv nq?
M N
K A‰Re †hŠM L A¨vwj‡dwUK †hŠM
157. wb‡Pi †KvbwU n¨v‡Kj msL¨v? M A¨v‡iv‡gwUK †hŠM N AvqwbK †hŠM
K n +2L 4n +1 167. Kvi g‡Z, †ebwRb‡qW KvVv‡gvi Dcw¯’wZ _vK‡Z n‡e?
M 4n +2 N 4n – 2 K jvwm_ L jmwg_

158.
Ni
 3H 2  wewµqvq A †hŠMwUi bvg Kx? M †evi N w¯§_
200 C 168. jmwg‡_i g‡Z †ebR‡qW KvVv‡gv †Kvb †hŠ‡M _vK‡Z n‡e?
K Mvgvw·b L †n‡·b K A¨vwjwdwU‡K L A¨v‡iv‡gwU‡K
M mvB‡K¬v‡n‡·b N UjyBb M A¨vjwWnvB‡W N A‰Re †hŠ‡M
159.  CH3Cl Abv`ª
©  B  HCl ; B †hŠMwU 169. wb‡Pi †KvbwU A¨v‡iv‡gwUK †hŠM?
AlCl 3
K wdDivb L B_vbj
K UjyBb L †K¬v‡iv‡ebwRb M †n‡·b N †cÖvwcb
M †dbj N m-UjyBb 170. wb‡Pi †Kvb †hŠ‡M Qq Kve©‡bi †ebR‡qW ejq _v‡K?
A K wdDivb L wcwiwWb
M cvBij N †ebwRb
160. ‡hŠMwU-
171. A¨v‡iv‡gwUwmwU e¨vL¨v K‡ib †Kvb weÁvbx?
A A
K n¨v‡Kj L jmwg_
K wfwmbvjL †Rwgbvj M †fvjvi N jyBm
M Amg N mylg 172. n¨v‡Kj ZË¡ Abymv‡i A¨v‡iv‡gwUK †hŠ‡Mi AvK…wZ †Kgb?
161. ÒA¨v‡ivgvÓ k‡ãi A_© Kx? K j¤^v L P¨vÞv
K mywgó MÜ L `yM©Ü M †MvjvKvi N w·KvYvKvi
M SuvSv‡jv MÜ N MÜ 173.  B‡jKUªb Øviv wb‡Pi †KvbwU Drcbœ nq?
162. nv‡Kj ZË¡ Abymv‡i (4n +2) msL¨K B‡jKUªb n‡e- K AvYweK AiweUvj L cvigvYweK AiweUvj
K w¯’i B‡jKUªb L mÂviYkxj B‡jKUªb M †Mvjxq AiweUvj N mgZjxq AiweUvj
M gy³ †Rvo B‡jKUªb N eÜb †Rvo B‡jKUªb 174. AvYweK AiweUvj MVb K‡i wb‡Pi †KvbwU?
163. A¨v‡iv‡gwUK †hŠ‡Mi †ebwRbP‡µ Kve©b-Kve©b eÜb ˆ`‡N©¨i K L
gvb-
M N
K 1.34 nm L 1.39 nm 175. wcwiwWb n‡jv-
M 1.49 nm N 1.54 nm
 |

K †nv‡gv A¨v‡iv‡gwU L †nUv‡iv A¨v‡iv‡gwUK K Kg L †ewk

M †nv‡gv A¨vwj‡dwUK N †nUv‡iv A¨vwj‡dwUK M mgvb N gvSvgvwS
176. ‡nUv‡iv A¨v‡iv‡gwUK †hŠM †KvbwU? 187. A¨vwj‡dwUK †hŠ‡Mi (C–C) GKK e܇bi gvb KZ?
K †ebwRb L _v‡qvwdb K 0.154nm L 0.154nm
M b¨vc_vwjb N UjyBb M 0.124nm N 0.134nm
177. wcwiwWb AYy‡Z KqwU ejq we`¨gvb? 188. A¨vwj‡dwUK †hŠ‡Mi (C=C) wØe܇bi gvb ZK?
K 1wU L 2wU K 0.134nm L 0.154nm
M 3wU N 4wU M 0.139 nm N 0.124 nm
178. wcwiwWb AYy‡Z mÂviYkxj  B‡jKUªb KqwU? 189. ‡dbj wb‡Pi †Kvb ag© cÖ`k©b K‡i?

K 5wU L 4wU K A¤øxqL ÿvixq

M 7wU N 6wU M wbi‡cÿ N Dfagx©

179. ‡ebwRb AYy‡Z KqwU wØeÜb we`¨gvb? 190. ‡db‡ji RvZxq `ªeY‡K Kx e‡j?

K 2wU L 3wU K Kve©wjK GwmW L Kve©wbK GwmW

M 4wU N 5wU M A·vwjK GwmW N wcKwiK GwmW

180. ‡ebwR‡b †Kvb ai‡bi eÜb we`¨gvb? 191. ‡KvbwU‡K Kve©wjK GwmW e‡j?

K GKK eÜb L wØeÜb K †dbj L B_vbj

M wÎeÜb N  eÜb M †n·vwbj N ‡cÖvcvbj

181. ‡ebwRb wb‡Pi †KvbwUi mv‡_ hyZ †hŠM MVb K‡i bv? 192. Kve©wjK Gwm‡Wi ms‡KZ †KvbwU?

K H2 L O3 K R –OH L Ar–OH
M X2 N O2 M R2 – OH N R3–OH
182. ‡ebwRb ‡hŠM MVb K‡i wb‡Pi †KvbwUi mv‡_? 193. A¨vj‡Kvn‡ji ag© wb‡Pi †KvbwU?

K HCl L H2SO4 K A¤øxqL ÿvixq

M R – X N O3 M wbi‡cÿ N Dfagx©q
183. ‡ebwRb we‡kl ai‡bi Am¤ú„³Zv †`q wK‡mi Rb¨? 194. wb‡Pi †KvbwU wbi‡cÿ?
K mÂviYkxj  B‡jKUªb K wg_vbj L †dbj
L mÂviYkxj  B‡jUªKb M wg_vb¨vj N B_vb¨vj
M AmÂviYkxj  B‡jUªKb 195. A¨v‡iv‡gwUK †hŠ‡M  AvYweK AiweUvj †Kv_vq
N AmÂviYxj  B‡jKUªb _v‡K?
184. ‡ebwRb P‡µ Kve©b Kve©b eÜb ˆ`N¨© KZ? K ïay Dc‡i L ïay wb‡P
K 0.154nm L 0.139 nm M Dc‡i I wb‡P N gvSLv‡b
M 0.124 nm N 0.134 nm 196. mvB‡K¬v‡cÖv‡cb Avq‡b  B‡jKUªb KqwU _v‡K?
185. ‡ebwRb P‡µ AbyiYb wK‡mi gva¨‡g Rvbv hvq? K 2wU L 13wU
K GKK eÜb L wØeÜb M 10wU N 14wU
M wÎeÜb N wmMgv eÜb 197. ‡ebwR‡bi  B‡jKUª‡bi msL¨v KqwU?
186. ‡ebwR‡bi wØe܇bi gvb A¨vwj‡dwUK †hŠ‡Mi- K 6wU L 7wU
 |

M 8wU N 9wU M 100% N 0%

198. wcwiwWi KqwU  B‡jKUªb _v‡K? 209. A¨v‡iv‡gwUK ‡hŠ‡M C Gi kZKiv nvi-
K 6wU L 10wU K k~b¨ L †ewk
M 12wU N 14wU M Kg N ga¨g
199. b¨vc_vwj‡b  B‡jKUªb msL¨vwU KqwU? 210. C10H8 ‡hŠ‡M C-Gi kZKiv mshyw³ KZ?
K 10wU L 12wU K 92.3% L 93.75%
M 14wU N 6wU M 75% N 40%
200. n¨v‡Kj ZË¡ Abymv‡i A¨vb_ªvwm‡b n Gi msL¨v KqwU? 211. A¨vwj‡dwUK nvB‡WªvKve©b wb‡Pi †Kvb ag© cÖ`k©b K‡i?
K 1wU L 2wU K m¤ú„³ L Am¤ú„³
M 3wU N 4wU M DfqB N we‡kl Am¤ú„³
201. b¨vc_vwj‡b (4n +2) gv‡bi Rb¨ n Gi msL¨v KqwU? 212. Am¤ú„³Zv cÖ`k©b K‡i bv wb‡Pi †KvbwU?
K 3wU L 2wU K A¨vjwKb L A¨vjKvBb
M 4wU N 5wU M A¨vj‡Kb N †ebwRb
202. cvBij †nUv‡iv mvBwK¬K A¨v‡iv‡gwUK †hŠ‡M  B‡jKUªb 213. A¨vwj‡dwUK Am¤ú„³ ‡hŠ‡M †Kvb wewµqv N‡U?
KZwU? K ms‡hvM L cÖwZ¯’vcb
K 6wU L 8wU M AcmviY N me¸‡jvB
M 4wU N 12wU 214. A¨vj‡Kvn‡ji †ÿ‡Î wb‡Pi †KvbwU mwVK-
203. ‡ebwR‡b n¨v‡jv‡Rkb †Kvb ai‡bi wewµqv? K bxj wjUgvm jvj K‡i
K ms‡hvRb L cÖwZ¯’vcb L jvj wjUgvm bxj K‡i
M AcmviY N cwjgviKiY M ÿv‡ii mv‡_ wewµqv K‡i
204. Bw_b A‡cÿv †ebwRb N ÿv‡ii mv‡_ wewµqv K‡i bv
K Kg ¯’vqx L †ewk ¯’vqx 215. ‡dbj ÿv‡ii mv‡_ wewµqv K‡i Kx Drcbœ K‡i?
M Kg A¯’vqx N AwaK A¯’vqx K jeY L GwmW
205. Bw_b ÿvixq KMnO4 `ªeY Øviv RvwiZ n‡q Kx Drcbœ M cvwb N jeY I cvwb
K‡i? 216. KMnO4 Gi eY© wb‡Pi †KvbwU?
K MøvB A·vj L MøvBKj K jvj‡P †e¸wb L jvj‡P bxj
M UªvBAj N cwjAj M jvj‡P Kgjv N jvj‡P njy`
206. A¨vwj‡dwUK A¨vwgb A¨v‡iv‡gwUK A¨vwgb A‡cÿv- 217. Br2 Gi eY© †Kgb?
K Kg ÿvixq L †ewk ÿvixq K jvj‡P ev`vwg L jvj‡P †e¸wb
M Kg A¤øxq N †ewk A¤øxq M jvj‡P bxj N jvj‡P njy`
207. A¨vwj‡dwUK †hŠ‡M Kve©‡bi kZKiv cwigvY- 218. ‡eqvi cixÿv wb‡Pi †KvbwUi Dcw¯’wZ‡Z N‡U?
K †ewk _v‡K L Kg _v‡K K GwmW L ÿvi
M ga¨g _v‡K N A‡bK †ewk _v‡K M cvwb N avZz
208. CH4 †hŠ‡M Kve©‡bi kZKiv cwigvY KZ? 219. ‡eªvwgb `ªeY cixÿv †KvwbUi Dcw¯’wZ‡Z N‡U?
K 75% L 25%
 |

K CCl4 L Cl2 K wewµq‡Ki NbgvÎv

M GwmW N ÿvi L Drcv‡`i NbgvÎv
220. A¨vjwK‡bi nvB‡Wªv‡Rb ms‡hvRb wewµqvi cÖfveK †KvbwU? MK IL
K Ni L Cl2 N NbgvÎvi Dci wbf©i K‡i bv
M Fe N Mo 231. SN2 wewµqvi Rb¨ †KvbwU mwVK?
221. B_vB‡bi mv‡_ cvwb H2SO4 I HgSO4 Dcw¯’wZ‡Z wb‡Pi K wewµq‡Ki NbgvÎv
†KvbwU Drcbœ nq?
L Drcv‡`i NbgvÎv
K B_vb¨vj L B_vbj
MK IL
M wg_vb¨vj N †cÖvcvbj
N NbgvÎvi Dci wbf©i K‡i bv
222. A¨vjKvB‡bi IRbxKiY wewµqvq †KvbwU Drcbœ nq?
232. ‡KvbwU †eªvwgb `ªeY cixÿv cÖ`k©b K‡i?
K A¨vjwWnvBW L wK‡Uvb
K A¨vwj‡dwUK m¤ú„³ †hŠM
M A¨vj‡Kvnj N GwmW
L A¨vwj‡dwUK Am¤ú„³ †hŠM
223. wb‡Pi †KvbwU U‡jb wewµqv †`q?
M A¨v‡iv‡gwUK †hŠM
K weDUvBb-1 L weDUvBb-2
N mvBwK¬K †hŠM
M †c‡›Ub-1 N †c‡›Ub-2
233. mKj A¨v‡iv‡gwUK †hŠM?
224. A¨vjKvBb AYy‡Z nvB‡Wªv‡Rb wb‡Pi †Kvb avZz Øviv
K m¤ú„³ L Am¤ú„³
cÖwZ¯’vwcZ nq bv?
M mywgó MÜ N `yM©Ühy³
K Na L Ag
234. †KvbwU Wvqv‡Rwbqvg jeY Drcbœ K‡i?
M Cu N Al
225. Wvq‡Rwbqvg jeY ˆZwi K‡i †KvbwU? K A¨vwj‡dwUK cÖvBgvwi A¨vwgb

K cÖvBgvwi A¨vwgb L Uviwkqvwi A¨vwgb L A¨v‡iv‡gwUK cÖvBgvwi A¨vwgb

M A¨vwj‡dwUK A¨vwgb N A¨v‡iv‡gwUK A¨vwgb M A¨vwj‡dwUK †m‡KÛvwi A¨vwgb

226. A¨vjwK‡bi IRbxKiY wewµqvq †Kvb †hŠM Drcbœ nq? N A¨vwj‡dwUK Uviwkqvwi A¨vwgb
K A¨vjwWnvBW L wd‡Uvb 235. †KvbwU ÿvixq KMnO4 Øviv RvwiZ nq bv?

M A¨vjwWnvBW I wK‡Uvb N †K¬v‡ivdg© K Bw_b L †cÖvwcb

227. A¨vjKvB‡b †Kvb ai‡bi eÜb we`¨gvb? M weDwUb N †ebwRb
K m¤ú„³ GKÎ eÜb L Am¤ú„³ GKK eÜb 236. A¨v‡iv‡gwUK †hŠM cÖ`k©b K‡i †KvbwU?

M m¤ú„³ wÎeÜb N Am¤ú„³ wÎeÜb K B‡jK‡UªvwdwjK ms‡hvRb wewµqv

228. wb‡Pi †Kvb wbDwK¬IwdwjK weKviK bq? L B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqv
K OH– L CN+ M wbDwK¬qwdwjK ms‡hvRb wewµqv
M NH3 N CN– N wbDwK¬qwdwjK cÖwZ¯’vcb wewµqv
229. SN wewµqv Kq cÖKvi? 237. †KvbwU AwaK ¯’vqx
K1 L2
M3 N4 K
230. SN1 wewµqvi Rb¨ wb‡Pi †KvbwU mwVK?
L CH2 = CH2
 |

M CH3 - CH = CH2 248. 248. A¨vjKvB‡bi I‡RvbvBW †hŠ‡Mi Av`ª© we‡køl‡Y Kx

N CH3 - CH2 - CH = CH2 Drcbœ nq?
238. Bw_b A‡cÿv †ebwRb AwaK ¯’vqx? K A¨vj‡Kvnj L wK‡Uvb
K AbyiYb L A¨v‡iv‡gwUwmwU M Kv‡e©vw·wjK GwmW N A¨vjwWnvBW
M mÂiYkxj  B‡jKUªb N Am¤ú„³Zv 249. ‡Kvb †hŠMwUi I‡RvbxKiY †k‡l Av`ª©we‡køl‡Y GKB GwmW
239. †KvbwU B‡jK‡UªvwdwjK ms‡hvRb wewµqv ‡`q? Drcbœ nq?

K †cÖv‡cb L weD‡Ub K weDUvBb-1 L weDUvBb-2

M †c‡›Ub N †cw›Ub M †cw›Ub-2 N †cw›Ub 1

240. A¨vjwK‡bi ms‡hvRb wewµqvKv‡j- 250. †KvbwU cÖwZ¯’vcb wewµqv cÖ`k©b K‡i bv?

K  eÜb fv‡O L  eÜb fv‡O K A¨vjwKb L A¨vjKvBb

M  eÜb ˆZwi nq N  I  eÜb ˆZwi nq M †ebwRb N †Kv‡bvwUB bq

241. A¨vjwK‡bi ms‡hvRb wewµqvq `vZv B‡jKUªb wn‡m‡e KvR 251. 2wU  eÜb _vKv m‡Ë¡I A¨vjKvBb 1 Gi H avZz Øviv
K‡i- cÖwZ¯’vwcZ Kiv nq KviY-
K  B‡jKUªb L  B‡jKUªb K H wU nvB‡Wªv‡Rb eÜb MVb K‡i
M gy³‡Rvo B‡jKUªb N eÜb †Rvo B‡jKUªb L H-wU A¤øagx©
242. AcÖwZmg A¨vjwK‡bi ms‡hvRb wewµqvq Drcv` nq- M H wU ÿviagx©
K GKwU L `yBwU N H wU‡Z †÷wiK cxob i‡q‡Q
M wZbwU N PviwU 252. ‡KvbwU wbDwK¬IdvBj?
243. B‡jKUªvdvBj (Z+) hy³ nq gviKwbKf Abymv‡i- K HX L O3
M HOX N N H
K wØe܇b †h cv‡k Kve©b †ewk _v‡K 3

L wØe܇bi †h cv‡k nvB‡Wªv‡Rb †ewk _v‡K 253. wbDwK¬wdwjK cÖwZ¯’vcb wewµqv KZ cÖKvi?
M wØe܇bi †h cv‡k †eªvwgb †ewk _v‡K K `yB cÖKvi L wZb cÖKvi
N wØe܇bi †h cv‡k nvB‡Wªv‡Rb Kg _v‡K M Pvi cÖKvi N cuvP cÖKvi
244. weÁvbx gviKwbKf wQ‡jb- 254. SNl wewµqv mn‡R N‡U-
K iæk L Bswjk K 1 n¨vjvB‡Wi †ÿ‡Î L 2 n¨vjvB‡Wi †ÿ‡Î
M divmx N wMÖK M 3 n¨vjvB‡Wi †ÿ‡Î N A‡cvjvi `ªve‡K
245. weÁvbx Lvivm (1933) Gi cixÿvi Rb¨ cÖfveK- 255. R¨vwgwZK MVb AcwiewZ©Z _v‡K-
K KMnO4 L H2SO4 K SN1 wewµqvq L SN2 wewµhvq
M NaOH N H2O2 M E1 wewµqvq N E2 wewµqvq
246. A¨vjwK‡bi I‡Rvb ms‡hvRb wewµqvq `ªveK- 256. SN1 wewµqv †Kvb cÖK…wZi?
K A¤øxqL ÿvixq K 3 RX2 RX  1 RX  CH3–X
M evdvi N wbw®Œq L 2 RX1 RX  3 RX  CH3–X
247. A¨vjKvB‡bi ms‡hvRb wewµqv Kq av‡c m¤úbœ nq? M CH3–X  2 RX3 RX 1 RX
K GK av‡c L `yB av‡c N 3 RX CH3–X  2 RX  1 RX
M wZb av‡c N Pvi av‡c 257. SNl wewµqv †Kvb cÖK…wZi?
 |

K cÖ_g µg wewµqv L wØZxq µg wewµqv 266. E1 wewµqv mnRZi nq-

M QÙ GK AvYweK wewµqv N Z…Zxq µg wewµqv K 1 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î
258. wØ-AvYweK wbDwK¬IwdwjK cÖwZ¯’vcb wewµqv (SN2) wbf©i L 2 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î
K‡i wK‡mi NbgvÎvi Dci? M 3 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î
K A¨vKvBj n¨vjvB‡Wi Dci N 4 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î
L wbDwK¬Iwdwj‡Ki Dci 267. A¨vwj‡dwUK †hŠ‡Mi AcmviY wewµqvq Kx Drcbœ nq?
M `ªve‡Ki Dci K A¨vjwWnvBW L A¨vj‡Kvnj
N A¨vjKvBj n¨vjvBW I wbDwK¬Iwdwj‡Ki Dci M A¨vjwKb N wK‡Uvb
259. A¨vjKvBj n¨vjvBW SN2 wewµqvi mwµqZv µg- 268. GK AvYweK AcmviY wewµqvq Kx Drcbœ nq?
K 1 RX2 RX  CH3X 3 RX K GK av‡c L `yB av‡c
L 2 RX1 RX  3 RX  CH3X M wZb av‡c N Pvi av‡c
M CH3X  1 RX1 RX 3 RX 269. †KvbwU mwVK?
N 3 RX2 RX  1 RX  CH3–X K E1 wewµqv `ªve‡Ki Dci wbf©i K‡i
260. SN2 wewµqv AbywôZ nq KZ av‡c?
L E1 wewµqvq cÖ_g avc `ªæZ nq
K GK av‡c L `yB av‡c
M E1 wewµqvq wØZxq avc ax‡i nq
M wZb av‡c N Pvi av‡c
N E1 wewµqv wewµqv 2 n¨v‡jv‡Rv‡bv A¨vj‡K‡bi †ÿ‡Î
261. wØ-AvYweK cÖwZ¯’vcb wewµqv †Kvb µ‡gi? fv‡jv nq
K cÖ_g µg L wØZxq µg 270. wØ-AvYweK AcmviY wewµqvq A¨vj‡Kvnjxq ÿv‡ii cÖfv‡e
M QÙ GK AvYweK N k~b¨ µg H AcmvwiZ nq †Kvb Kve©b †_‡K?
262. wØ-AvYweK cÖwZ¯’vcb wewµqvi †ÿ‡Î †KvbwU N‡U? K -Kve©b †_‡K L - Kve©b †_‡K
K Kv‡ev©K¨vUvq‡bi m„wó L RwUj Ae¯’vi m„wó M -Kve©b †_‡K N -Kve©b †_‡K
M Kv‡ev©A¨vbvq‡bi m„wó N `yB av‡c m¤úbœ nIqv 271. A¨vwj‡dwUK AcmviY wewµqv m¤úbœ nq-
263. KOH Gi Rjxq `ªe‡Y C2H5Cl Gi Av`ª© we‡kølY Drcbœ K A¤øxq ÿv‡ii cÖfv‡e
nq B_vbvj| GwU AbymiY K‡i- L ÿvixq gva¨‡g
K SNl L SN2 M wbw®Œq gva¨‡g
M E1 N E2
N A¨vj‡Kvnjxq ÿv‡ii cÖfv‡e
264. A¨vwj‡dwUK †hŠ‡Mi AcmviY wewµqv Kvi we‡kl ˆewkó¨c~Y©
272. n¨v‡jv‡R‡bv A¨vj‡K‡bi n¨v‡v‡Rb I nvB‡Wªv‡Rb AcmviY
wewµqv?
bxwZ n‡jv
K A¨vwj‡dwUK A¨vjKvBb n¨vjvB‡Wi
K gviKwbK‡fi bxwZ L Lviv‡mi bxwZ
L A¨v‡iv‡gwUK A¨vjKvBj n¨vjvB‡Wi
M mvq‡R‡di bxwZ N Wvë‡bi bxwZ
M A¨vwj‡dwUK wK‡Uv‡bi
273. †KvbwUi weKviK wn‡m‡e e¨envi Ki‡j SN2 wewµqv cÖvavb¨
N A¨v‡iv‡gwUK wK‡Uv‡bi cvq?
265. A¨vwj‡dwUK AcmviY wewµqv‡K Kq fv‡M fvM Kiv hvq? K Zxeª A¤ø L g„`y A¤ø
K GK fv‡M L `yB fv‡M M Zxeª ÿviK N `ye©j ÿviK
M wZb fv‡M N Pvi fv‡M
 |

 K †i‡Rvb¨v‡Ýi gva¨‡g
274. 2CH3  CHBr  CH2  CH3  KOH(alc ) 
CH3 - CH  CH - CH3  CH 2  CH - CH 2 - CH3 L B‡jKUªb Z¨v‡Mi gva¨‡g

weDwUb-2 weDwUb-1 M †cÖvUb MÖn‡Yi gva¨‡g

 2KBr  H 2O N †cÖvUb Z¨v‡Mi gva¨‡g

mvBdv‡Ri bxwZ Abymv‡i †KvbwU Drcv` †ewk n‡e? 282. B‡jK‡UªvXvBj¸‡jv‡K cÖKvk Kiv nq-

K weDwUb-2 L weDwUb-1 K E+ Øviv L E- Øviv

M Drcv` mgvb n‡e N GKwU Drcv` n‡e M M+ Øviv N M- Øviv

275. M¨vgvw·b Kvi evwYwR¨K bvg? 283. A¨v‡iv‡gwUK †hŠ‡Mi B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqvq-

K †ebwRb L mvB‡K¬v‡R‡·b K A¨v‡iv‡gwUK Pwi‡Îi cwieZ©b nq

M †ebwRb †n·v‡K¬vivBW N †eb‡Rv‡d‡bvb L A¨v‡iv‡gwUK PwiÎ AcwiewZ©Z _v‡K

Ni M bZzb -e܇bi ˆZwi nq
276. ‡ebwRb + 3H2  mvB‡K¬v‡n‡·b GwU †Kvb
200 C N †cÖvU‡bi ms‡hvM nq
ai‡bi wewµqv? 284. B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqvi B‡jK‡UªvqvBj n‡q
K AcmviY wewµqv L ms‡hvRb wewµqv _v‡K-
M cÖwZ¯’vcb wewµqv N cÖkgb wewµqv K GKB cÖK…wZi L GKB MV‡bi
277. ‡ebwRb + 3Cl2 cÖ fveK
 M¨vgvw·b ev C6H6Cl6 M cÖK…wZ GKB MVb wfbœ N cÖK…wZ I MVb wewfbœ
wewµqvwU‡Z cÖfveK Kx? 285. A¨vjKvB‡jkb I A¨vmvB‡jk‡b cÖfveK wn‡m‡e e¨eüZ nq
K AÜKvi L g„`y m~hv©‡jvK †KvbwU?

M cÖLi m~hv©‡jvK N K¤úb K Abv`ª© AlCl3 L Av`ª© AlCl3

278. ‡ebwR‡bi I‡RvbvBW Av`ª© we‡køl‡Y cvIqv hvq- M NaAlO2 N Al2O3
K GK AYy MøvBA·vj L wZb AYy MøvBA·vj 286. ‡ebwR‡b wØZxq cÖwZ¯’vc‡Ki Rb¨ m¤¢ve¨ Ae¯’vb KqwU?

M Qq AYy MøvBA·vj N bq AYy MøvBA·vj K `yBwU L wZbwU

O H M PviwU N cvuPwU
|| | 287. †ebwRb ej‡q cÖwZ¯’vcK Gi Ae¯’vb wbf©i K‡i wK‡mi
279. C  H  HCN  C  OH GwU GKwU-
Dci?
|
CN K wØZxq cÖwZ¯’vc‡Ki cÖK…wZi Dci
K B‡jK‡UªvwdwjK ms‡hvRb L cÖ_g cÖwZ¯’vc‡Ki cÖK…wZi Dci
L B‡jK‡UªvwdwjK cÖwZ¯’vcb M `ªve‡Ki cÖK…wZi Dci
M wbDwK¬IwdwjK ms‡hvRb N ZvcgvÎvi Dci
N wbDwK¬IwdwjK cÖwZ¯’vcb 288. †ebwRb ej‡qi wb‡`©kK KZ cÖKvi?
280. A¨v‡iv‡gwUK †hŠ‡Mi B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqv K `yB cÖKvi L wZb cÖKvi
m¤úbœ nq- M Pvi cÖKvi N cuvP cÖKvi
K GK av‡c L `yB av‡c 289. ‡KvbwU A‡_v©-c¨viv wb‡`©kK?
M wZb av‡c N Pvi av‡c K – NO2 L – CHO
281. Kv‡e©vK¨vUqb w¯’wZkxjZv AR©b K‡i-
M  OCH3 N – CN
 |

290. – CH3 MÖæcwU †ebwRb ej‡qi Rb¨- 298. wWKvw·‡jk‡b cÖfveK wn‡m‡e _v‡K-
K GKwU †gUv wb‡`©kK K Zn.Hg L Pt
L GKwU Pµ wbw®ŒqKvix MÖæc M Ni N CaO
M GKwU Pµ mwµqKvix MÖæc 299. A¨vj‡K‡bi E Gi g‡a¨ Mvp H2SO4 cÖ‡ek Ki‡j Kx
Drcbœ nq?
N GKwU B‡jKUªb DB_‡WªvBs MÖæc
291. ‡KvbwU †gUv wb‡`©kK? K A¨vjwKb L A¨vj‡Kb
M A¨vjKvBb N †Kv‡bv wewµqv n‡e bv
K  X L C6H5–
300. A¨vj‡Kb mvaviYfv‡e cwiwPZ Kx bv‡g?
M – N(CH3)2 N R–
K _v‡qvwdb L A¨v‡Rvwdb
292. ‡ebwRb ej‡q A‡_v© I c¨viv Ae¯’v‡bi B‡jKUªb NbZ¡ e„w×
K‡i- M c¨vivwdb N I‡Rvb
K †gUv Ae¯’v‡b A‡_v© c¨viv wb‡`©k‡Ki Rb¨ 301. DU©R wewµqvq cÖfveK wn‡m‡e _v‡K-
L A‡_v© Ae¯’v‡b †gUv wb‡`©kK K ﮋ B_vi, Zvc L wb‡Kj, Zvc
M B‡jKUªb DB_ WªvBs MÖæ‡ci wb‡`©kK M cøvwUbvg, Zvc N Mvp, H2SO4, Zvc
N A‡_v© c¨viv MÖæc¸‡jv 302. A¨vj‡K‡bi mvaviY ms‡KZ †KvbwU?
293. –NO2 MÖæc GKwU- K CnH2n–2 L CnH2n+1
K mwµqZv n«vmKvix MÖæc L wbw¯Œq MÖæc M CnH2n+2 N CnH2n
303. A¨vj‡Kb †Kvb ai‡bi nvB‡WªvKve©b?
M mwµqZv e„w×Kvix MÖæc N A‡_v© wb‡`©kK
 K A¨v‡iv‡gwUK L A¨vwj‡dwUK
294. R  CH  CH2  H 2  R  CH2  CH3
150180
M Am¤ú„³ N me¸‡jv
GLv‡b A Kx?
304. ‡KvbwU A¨vj‡K‡bi m`m¨?
K H 2 SO 4 L H2 O 2
K C7H16 L C17H36
M CH3COOH N Ni
M C18H38 N me¸‡jv
295. DU©R wewµqvq Drcbœ Kx nq? 305. cÖvK…wZK M¨v‡m wg‡_‡bi cwigvY KZ?
K A¨vjwKb L A¨vj‡Kb K 60-70% L 80-90%
M A¨vjKvBb N A¨vj‡Kvnj M 100% N 70-80%
296. DU©R wewµqv Øviv Drcbœ A¨vj‡K‡bi Kve©‡bi msL¨v n‡e- 306. †c‡Uªvwjqv‡gi cÖavb Dcv`vb †KvbwU?
K wewµq‡Ki Kve©b msL¨vi mgvb K A¨vj‡Kb L A¨vjwKb
L wewµq‡Ki Kve©b msL¨vi wظb M A¨vjKvBb N B_vi
M wewµq‡Ki Kve©b msL¨vi A‡a©K 307. A¨vj‡K‡bi †Kvb ˆewk‡ó¨i Kvi‡Y cvwb‡Z A`ªeYxq?
N wewµq‡Ki Kve©b msL¨vi wZb¸Y K DØvqx L m¤ú„³ †hŠM
297. wWKve©w·‡jk‡b Drcbœ A¨vj‡K‡bi Kve©b msL¨v nq- M A‡cvjvi N ‡cvjvi
K wewµq‡Ki Kve©b msL¨v n‡Z GK Kve©b Kg 308. A¨vjwK‡bi mvaviY ms‡KZ †KvbwU?
L wewµq‡Ki Kve©b msL¨v n‡Z GK Kve©b †ewk K CnH2n+2 L CnH2n
M wewµq‡Ki Kve©b msL¨vi mgvb M CnH2n–1 N CnH2n+1X
N wewµq‡Ki Kve©b msL¨vi A‡a©K
 |

 Zvc
 R– M CnH2n+2 N CnH2n+1X
309. R–CH2–CH2–X + KOH
CH=CH2+KX+H2O wewµqvwU‡Z cÖfveK wn‡m‡e 317. wfwmbvj WvBn¨vjvBW‡K wW-nvB‡Wªvn¨v‡jvwR‡bkb Ki‡j Kx
KOH Gi cÖK…wZ- Drcbœ nq?
K A¨vj‡Kvnjxq L A¤øxq K A¨vjwKb L A¨vj‡Kb
M wbw¯Œq N wbi‡cÿ M A¨vjKvBb N A¨vj‡Kvnj
310. A¨vj‡Kvn‡ji wbiæ`b c×wZ‡Z Drcbœ A¨vjwKb Kve©b Br Br
| |
msL¨v n‡e- Zvc
318. R  CH  CH 2  KOH (atc ) 
K wewµq‡Ki Ke©b msL¨vi mgvb
Br
L wewµq‡Ki Kve©b msL¨vi wظY |
R  CH  CH  KBr  H 2O wewµqvwU‡Z KOH
M wewµq‡Ki Kve©b msL¨vi A‡a©K
Gi cÖK…wZ n‡e-
N wewµq‡Ki Kve©b msL¨vi wZb¸Y
K A¨vj‡Kvnjx L A¤øxq
Zvc
311. R – CH2 – CH2OH + H2SO4  R=CH M A¨vjKvBb N wbi‡cÿ
= CH2 + (H2SO4.H2O) wewµqvwU‡Z Mvp H2SO4 319. ‡mvwWqvg A¨vjKvbvBW‡K Av`ª©we‡kølY Ki‡j Drcbœ nq-
GKwU-
K A¨vjwKb L A¨vj‡Kb
K wbiæ`K L wbw®Œq †hŠM
M A¨vjKvBb N A¨vj‡Kvnj
M wbi‡cÿ †hŠM N `k©K Avqb
320. ‡KvbwU A¨vjKvBb kbv³KiY cixÿv-
312. †eqvi cixÿvi gva¨‡g Kx wbY©q Kiv nq?
K WvB A¨vgwgb wmjfvi (I) bvB‡UªU `ªeY cixÿv
K Am¤ú„³Zv
L †dBwjs `ªeY cixÿv
L m¤ú„³Zv
M U‡jb weKviK cixÿv
M A¨vj‡Kvn‡ji Dcw¯’wZ
N †dbd_¨vwjb `ªeY cixÿv
N A¨vjwWnvB‡Wi Dcw¯’wZ
321. ‡KvbwU‡Z A¤øagx© –H cvIqv hvq-
313. R - CH = CH2 + Br2   R - CHBr -
CCl 4

K weDU-1 AvBb L weDU -2 AvBb

CH2Br wewµqvwU‡Z e‡Y©i Kx cwieZ©b n‡e?
M ‡cw›Ub-2-Bb N †c›UvBb-3
K jvj‡P ev`vwg eY© †Mvjvcx eY© nq
X
L jvj‡P ev`vwg eY© `ªexf~Z nq |
322. R  CH2  CH  2 KOH(alc )  Zvc

M jvj‡P ev`vwg eY© †e¸wb eY© nq A+
|
N jvj‡P ev`vwg eY© Mvp jvj nq X
314. †eqvi cixÿvi cÖfveK wn‡m‡e e¨eüZ nq Kx? 2KCl + H2O wewµqvwU‡Z A Kx n‡e?
K 2% KMnO4 L 50% KMnO4 K RCH =CH2
M 2% H2SO4 N 2% NaOH L R– C CH
315. A¨vjwKb †Kvb wewµqvq A¨vj‡Kb G cwiYZ nq? M R –– CH2 – CH2 – OH
K RviY L cwigvKiY N RCH2 – OH
M ms‡hvRb N mgvYyKiY 323. mvaviY ZvcgvÎvq A¨vjKvB‡bi †Kvb m`m¨¸‡jv Zij
316. A¨vjKvB‡bi mvaviY ms‡KZ †KvbwU? Ae¯’vq _v‡K?

K CnH2n+2 L CnH2n–2 K C1 - C4 L C5 - C11

 |

M C12 - C18 N C18 - C30 M AgCN N Ag(OH)


324. A¨vwmwUwjb weï× weï×Ki‡Y e¨eüZ nq †KvbwU? 332. R–OH + SOCl2   R–Cl + B(g)+ HCl(g)
K CuSO4 L Na2SO4 wewµqvwU‡Z Drcv` wn‡m‡e B Kx cvIqv hvq?
M MgSO4 N H3PO4 K H2SO4 L SO3
325. ‡KvbwU A¨vjKvBj n¨vjvBW Gi mvaviY ms‡KZ? M SO2 N S
K CnH2n+1OH L C nH2n–2 333. Kÿ ZvcgvÎvq †KvbwU Zij?
M CnH2n+1X N C nH2n K CH3F L CH3Cl
326. n¨v‡jv‡R‡bi mv‡_ A¨vj‡K‡bi wewµqv µg †KvbwU? M CH3Br N CH3I
K Uviwmqvwi A¨vj‡Kb > †m‡KÛvwi A¨vj‡Kb > cÖvBgvwi 334. A¨vjKvBj n¨vjvB‡Wi mv‡_ †KvbwUi wewµqvq Kve©b wkKj
A¨vj‡Kb e„w× Kiv hvq?
L †m‡KÛvwi A¨vj‡Kb cÖvBgvwi A¨vj‡Kb  Uviwkqvwi K KCl L KCN
A¨vj‡Kb M CaCO3 N CaNO3
M †m‡KÛvwi A¨vj‡Kb > cÖvBgvwi A¨vj‡Kb > Uviwkqvwi 335. A¨vivBj n¨vjvB‡Wi mvaviY ms‡KZ †KvbwU?
A¨vj‡Kb K Ar - X LR-X
N Uviwkqvwi A¨vj‡Kb > cÖvBgvwi A¨vj‡Kb > ‡m‡KÛvwi M CnH2n+2 N Ph -Na
A¨vj‡Kb 336. A¨vivBj n¨vjvBW cÖ¯‘wZ‡Z †ebwRb †_‡K n¨v‡jv‡R‡bi
A mv‡_ wewµqv K‡i cÖfveK wn‡m‡e e¨eüZ nq-
327. R–CH2–OH+HCl R–CH2–Cl+H2O
K Mvp H2SO4 L jNy H2SO4
wewµqvwU‡Z cÖfveK wn‡m‡e A Kx n‡e?
M jyBm GwmW (AlCl3.FeBr3)
K Abv`ª© ZnCl2 L Av`ª© ZnCl2
N Pt
M A¤øxq ZnCl2 N ÿvixq ZnCl2
A
337. X  2 Na  X  R  R  2 NaX
Abv`ª© ZnCl2
328. R–CH3–OH + HCl R–
wewµqvwU‡Z cÖfveK wn‡m‡e Kx e¨eüZ nq?
CH2–Cl + H2O wewµqvwU‡Z Abv`ª© ZnCl2 GKwU-
K ﮋ B_vi L Av`ª© B_vi
K jyBm GwmW L jyBm †em
M Mvp H2SO4 N jNy H2SO4
M wbiæ`K N wbw¯Œq ‡hŠM
338. D.D.T Kx?
329. †KvbwU A¨vjKvBj n¨vjvBW kbv³KiY cixÿv?
K 4,4 WvB-†K¬v‡iv WvBwdbvBj UªvB‡K¬v‡ivB‡_b
K †dnwjs `ªeY cixÿv
L 2,2 WvB-†K¬v‡iv WvBwdbvBj UªvB‡K¬v‡ivB‡_b
L U‡jb weKviK cixÿv
M 4.4 WvB-†K¬v‡iv WvBwdbvBj UªvB‡K¬v‡iv †ebwRb
M Kvwe©j A¨vwgb cixÿv
N 4.4 WvB-‡d¬v‡iv WvBwdbvBj UªvB‡K¬v‡ivB‡_b
N †eqvi cixÿv
339. D.D.T e¨eüZ nq Kx wn‡m‡e?
330. Kvwe©j A¨vwgb cixÿvq m„ó A¨vjKvBj AvB‡mv-mvqvbvBW
cÖK…wZ †Kgb? K RxevYybvkK I KxUbvkK
K wgwó MÜhy³ L `yM©Ühy³ L RxevYybvkK I Ny‡gi
M SuvSv‡jv MÜhy³ N MÜnxb M KxUbvkK I †MÖv_ †cÖvgUi
331. Kvwej A¨vwgb cixÿvi wi‡q‡R›U Kx? N KxUbvkK I AvMvQvbvkK
K AgNO3 L Ag2(SO4)
 |

X X X M wbw®ŒqN wbi‡cÿ
X
X2 349. †KvbwU A¨vj‡Kvnj Drcv`‡bi Kvh©Kix mvaviY c×wZ?
340.   GwU †Kvb
FeX3 K A¨vjKvBj n¨vjvB‡Wi Av`ª© we‡kølY
X L G÷v‡ii Av`ª© we‡kølY
wewµqv?
M A¨vjwK‡bi cvwb ms‡hvRb
K B‡jKUªb AvKl©x ms‡hvRb
N wMÖMbvW© weKviK c×wZ
L B‡jKUªb AvKlx© cÖwZ¯’vcb
350. †KvbwU A¨vj‡Kvn‡ji kbv³KiY c×wZ?
M wbDwK¬qvm AvKlx© ms‡hvRb
K †dnwjs `ªeY c×wZ L U‡jb weKviK c×wZ
N wbDwK¬qvm AvKlx© cÖwZ¯’vcb
M Na- avZz cixÿv N †eqvi cixÿv
341. A¨vivBj n¨vjvB‡Wi †ebwRb P‡µi C cigvYymg~n †Kvb
351. wK‡Uv‡bi mv‡_ wMÖMbv‡W©i wewµqvq Drcbœ nq †KvbwU?
msKi‡Y msKwiZ _v‡K?
K 1-A¨vj‡Kvnj L 2-A¨vj‡Kvnj
K sp L sp2
M 3-A¨vj‡Kvnj N A¨vjwWnvBW
M sp3 N dsp2
X 352. A¨vj‡Kvn‡ji kbv³Ki‡Yi Av‡qv‡Wvdg© cixÿvq Drcbœ
Drcv‡`i eY© n‡e-
342.  RX  Na 
 A ; wewµqvq A †hŠMwU Kx?
K †MvjvcxL mv`v
M njy` N ev`vwg
K A¨vjKvBj †ebwRb L †mvwWqvg wd‡bU
353. digvjwWnvB‡Wi mv‡_ wMÖMbv‡W©i wewµqvq Drcbœ
M †ebwRb N †K¬v‡iv †ebwRb
A¨vj‡Kvn‡ji cÖK…wZ-
343. DU©R wdwUM wewµqvi cÖfveK †KvbwU?
K 1-A¨vj‡Kvnj L 2-A¨vj‡Kvnj
K Al2O3 L ZnCl4
M 3-A¨vj‡Kvnj N wgkª A¨vj‡Kvnj
M P2O5 N B_vi
354. `yB ev Z‡ZvwaK Kve©bwewkó A¨vjwWnvB‡Wi mv‡_ wewµqvq
344. †KvbwU mn‡R †K›`ªvKl©x cÖwZ¯’vcb wewµqv †`q bv?
Drcbœ nq †KvbwU?
K C3H7X L C 4 H9 X
K wgkÖ A¨vj‡Kvnj L 1 A¨vj‡Kvnj
M C5H11X N C6H5X
M 2 A¨vj‡Kvnj N 3 A¨vj‡Kvnj
345. A¨vj‡Kvn‡ji Kvh©Kix g~jK †KvbwU?
355. †Kvb A¨vj‡KvnjwU me‡P‡q `ªæZ wewµqv †`q?
K – OH L – CHO
K 3-A¨vj‡Kvnj L 2-A¨vj‡Kvnj
M – COOH N – COOR
M 1-A¨vj‡Kvnj N wgkª A¨vj‡Kvnj
346. A¨vjKvBj n¨vjvB‡Wi Av`ª© we‡køl‡Y wK Drcbœ nq?
300 C
K Kve©w·wjK GwmW L A¨vjwWnvBW 356. 2 A¨vj‡Kvnj   X  H 2  ; X †hŠ‡Mi
Cu
M A¨vj‡Kvnj N wK‡Uvb
ms‡KZ †KvbwU?
347. G÷v‡ii Av`ª© we‡kølY Drcbœ nq †KvbwU?
K C2H5COOH L CH3COOCl
K Kve©w·wjK GwmW L wK‡Uvb
M CH3COCH3 N CH3COOH
M A¨vj‡Kvnj N B_vi 357. ‡KvbwU Øviv A¨vj‡Kvn‡ji cv_©K¨ wbY©q Kiv hvq?
348. R–COOH +4 [H] 4  R–CH2OH +
LiAlH
K Mvp HCl + ZnCl2 L Mvp H2SO4+ZnCl2
H2O wewµqv‡Z LiAlH4 †Kvb cÖK…wZi?
M Mvp HNO3+ZnCl2 N HCl + ZnCl2
K RviK L weRviK
 |

358. ‡KvbwU B_v‡ii Kvh©Kix g~jK? K wK‡Uvb L A¨vjwWnvBW

K CnH2n+1OH L – COOR M GwmW N A¨vj‡Kvnj
O 367. ‡KvbwU A¨vjwWnvB‡Wi Kvh©Kix g~j‡Ki ms‡KZ?
| | ||
M  C  O  C  N  C O
| | ||
K –CHO L  C
359. A¨vwj‡dwUK B_v‡ii mvaviY ms‡KZ †KvbwU?
M R – COOH N – COOH
K CnH2n+1OH L CnH2n+2X
368. –CHO MÖæc‡K ejv nq-
M CnH2n+2O N CnH2n+1COOH
K digvBk MÖæc L Kve©vBj MÖæc
H SO4 (Mvp)
360. 2R–OH 2   R  OR  H 2O M digvBj MÖæc N wK‡Uv MÖæc
140 C
369. A¨vjwWnvBW MÖæc ‡ebwR‡bi mv‡_ hy³ n‡j †hŠMwU‡K Kx
wewµqvwU‡Z Mvp H2SO4 Gi Kvh©µg †KvbwU?
e‡j?
K wbiæ`K L †cÖvUb `vZv
K †dbj L †eb‡RvwqK GwmW
M – OH MÖnY N wbw¯Œq
M †ebRvjwWnvBW N †eb‡Rv‡d‡bvb
361. ‡KvbwU B_vi ms‡køl‡Yi c×wZ?
370. ‡Kvb cÖwµqvq A¨vjwWnvBW cÖ¯‘Z Kiv hvq bv?
K DwU©R wdwUM c×wZ
K nvB‡Wªv‡Rb AcmviY L A¨vj‡Kb †_‡K
L †Kve ms‡kølY c×wZ
M A¨vjwKb †_‡K N A¨vj‡Kvn‡ji RviY
M DBwjqvgmb ms‡kølY c×wZ
371. wb‡Pi †KvbwU KwjÝ weKviK (Collin’s reagen)?
N wMÖMbvW© ms‡kølY c×wZ
K Cu(OH)2 L [Ag(NH3)2]OH
362. C4H10OAvYweK ms‡K‡Z KZwU B_vi mgvYy Av‡Q?
M Na–Hg N (C6H5N)2CrO3
K2 L3 372. K2Cr2O7+H2SO4  K2SO4+A+H2O+[O]; A
M4 N1 †hŠMwU n‡jv
363. B_vi KZ cÖKvi? K Cr(OH)3 L Cr(H2O)3
K1 L2 M Cr2(SO4)3 N Cr3+
M3 N4 373. A¨vj‡Kvn‡ji RviY cÖwµqvwU †Kvb ai‡bi A¨vjwWnvBW
364. A‡¯v¿vcvPv‡i †PZbvbvkKi~‡c †KvbwU e¨envi Kiv nq? cÖ¯‘wZ‡Z e¨envi nq?

K A¨vj‡Kvnj L B_vi K wb¤œ Mjbv¼ wewkó L D”P Mjbv¼ wewkó

M GwmW N †dbj M wb¤œ Mjbv¼ wewkó N D”P ùzUbv¼ wewkó

365. ‡KvbwU Kve©bvBj g~j‡Ki MvVwbK ms‡KZ? 374. KwjÝ weKvi‡Ki mvnv‡h¨ cÖvBgvwi A¨vjwWnvBW cÖ¯‘wZ‡Z
`ªveK wn‡m‡e e¨envi nh?
O O
|| || K CHCl3 L CH2Cl2
K  C H L  C O  H
M Dry ether N Al2O3
H
Cu
|| 375. 375. Ar  CH2OH   Ar  CHO  H 2
M CO N C OH
wewµqvwU KZ ZvcgvÎvq m¤úbœ nq?
366. Kve©bvBj ( C  O ) g~j‡Ki GK cÖv‡šÍ H Ges Aci K 250CL 270C
cÖv‡šÍ H/R/Ar hy³ n‡j Zv‡K Kx e‡j? M 300CN 450C
 |

376. A¨vjwWnvBW cÖ¯‘wZi †Kvb cÖwµqvwU wk‡í e¨envi n‡q 385. wb‡Pi †KvbwU U‡jb weKviK?
_v‡K? K NaOOC - (CHOH)2 - COOK
K ˆRe Gwm‡Wi K¨vjwmqvg jeY †_‡K L NaOOC - (CHOH)2 COONa
L A¨vjKvBb †_‡K M NaKOC (CHOH)2 COOH
M A¨vj‡Kvn‡ji RviY N [Ag(NH3)2]OH
N nvB‡Wªv‡Rb AcmviY 386. Ò‡ivRbgvÛ weRviYÓ wewµqvi cÖfveK †KvbwU?
377. A¨vjKvBb †_‡K A¨viwWnvBW cÖ¯‘wZ‡Z cÖ‡qvRb- K Pd/BaSO4
K 2% HgSO4 L 20% H2SO4 L 2% HgSO4/20 H2SO4
M 70-80C ZvcgvÎv N me¸‡jv M Fe/P2O5
378. wb‡Pi †KvbwUi mv‡_ IRb (O3) †Kv‡bv wewµqv †`q bv? N CaO/Al2O3
K A¨vj‡Kb L A¨vjwKb 387. Ò‡iv‡RbgvÛ weRviYÓ wewµqvi Øviv †Kvb †hŠMwU Drcbœ
Kiv nq?
M Am¤ú„³ †hŠM N A¨vjKvBb
K A¨vjwWnvBW L wK‡Uvb
379. A¨vj‡K‡bi mv‡_ O3 Gi wewµqvq Drcbœ †hŠM-
M A¨vj‡Kvnj N B_vi
K R – CHO L R – CHO
388. wb‡Pi †KvbwU FYvZ¥K cÖfveK?
M H2O2 N me¸‡jv
K Pd L BaSO4
380. (CH3COO)2 Ca + (H–COO)2Ca  A
Zvc

+ CaCO3, A ‡hŠMwU- M Fe N Ni
389. digvwjb wg_vb¨v‡ji cwigvY KZ?
K Ca(OH)2 L CH3COOH
K 20-30% L 30-40%
M CH3CHO N HCHO
381. †Kvb c×wZi mvnv‡h¨ A¨vjwWnvBW kbv³ Kiv nq? M 20-40% N 40-50%
390. wb‡Pi †KvbwU digvwj‡bi e¨envi?
K †e‡bwWKU `ªe‡Yi mvnv‡h¨
K AwMœ wbe©vcK L †PZbvbvkK
L RviY wewµqvi mvnv‡h¨
M RxevYybvkK N KxUbvkK
M Kve©b weRviY c×wZ‡Z
391. wb‡Pi †KvbwU mwµqZvi mwVK µg?
N Kvwe©j A¨vwgb cÖwµqvq
K CH3COC2H5 > CH3COCH3 > CH3CHO
382. †Kvb cixÿvq wmjfvi (Ag) `c©‡Yi Aat‡ÿc c‡o?
L C2H5COC2H5 > CH3–CO–CH3 > CH3 –
K †dnwjs `ªeY L U‡jb weKviK
CO–H
M †e‡bwWKU `ªeY N me¸‡jv M CH3 - CHO > HCHO > CH3COCH3
383. Cu2O [Kcvi A·vBW (I)] Gi eY© †Kgb?
K Kvj‡P ev`vwg L jvj‡P ev`vwg N H - CHO > CH3 CHO > CH3–CO– CH3
M jvj‡P meyR N ev`vwg bxj 392. n¨v‡jvdig wewµqvq †Kvb †hŠMwU Drcbœ nq?
384. †mvwWqvg cUvwmqvg Uvi‡Uª‡Ui ms‡KZ Kx? K CH3I L CH3Br
K NaOOC - (CHOH)2 - COOK M CHI3 N KOH
L NaOOC - (CHOH)2 COONa 393. CH3 CHO Ges CH3 COCH3 Gi g‡a¨ cv_©K¨ m~PK
M NaKOC (CHOH)2 COOH cixÿvq e¨eüZ nq-
N [Ag(NH3)2]OH K K2Cr2O7/H+ L 2,4-DNP
 |

M [Ag(NH3)2]+ N PCl3 K A¨vjWj Nbxfeb wewµqv †`q

394. wb‡Pi †Kvb †hŠMwU A¨vjWj wewµqv †`q? L K¨vwbRv‡iv wewµqv †`q
K H - CHO L C6H5 - CHO M Av‡qv‡Wvdig wewµqv †`q
M CH3CHO N (CH3)3C - CHO N 2, 4 DNPH Gi mv‡_ Kgjv ev njy` Aat‡ÿc †`q
395. ‡Kvb †hŠMwU Av‡qv‡Wvdig wewµqv †`q bv? 403. A¨vjwWnvBW‡K RviY Ki‡j †KvbwU Drcbœ nq?
K wg_vb¨vj L B_vb¨vj K A¨vwmW L A¨vj‡Kvnj
M B_vbj N A¨vwm‡Uvb M B_vi N wK‡Uvb
396. wmd-ÿviK Drcbœ nq wb‡Pi †Kvb c`v_© †_‡K? 404. Kve©wbj g~j‡Ki †hvRbx KZ?
K CH3 CHO + NH2OH K1 L2
L CH3 COCH3 + NH3 M3 N4
M C6H5 - CHO + CH3 NH2 405. wb‡Pi ‡Kvb wewµqvwU mwVK bq?
N HCHO + NH3 250C, Cu
397. wK¬‡gbmb weRviB wewµqvwU wb‡Pi †KvbwUi †ejvq mwVK K 2CH4 ( g )  O 2 ( m )   
 2CH3OH
100atm
n‡e bv?
L
K B_vb¨vj †_‡K B‡_b 500C, Ag
2CH3OH  O 2 ( g )     2 HCHO  2 H 2O
L †cÖvcv‡bvb †_‡K †cÖv‡cb
M †ebRvwìnvBW †_‡K UjyBb M
N B_vbwqK GwmW †_‡K B_vbj 100C, Ag
2CH 3OH  O 2 ( g )     2 HCHO  2 H 2 O N
398. wb‡Pi †Kvb †hŠMwU K¨vwbRv‡iv wewµqv †`q?
 HCHO  CaCO
( HCOO) 2 Ca 
K CH3 CH2 - CHO 3

L (CH3)2 CH - CHO 406. wb‡Pi †KvbwU wK‡Uv‡bi mvaviY ms‡KZ?

M C6H5 - CHO K CnH2nOH L CnH2n+1O
N CH3 - CHO M CnH2nO N CnH2n+2O
399. 2 A¨vj‡Kvn‡ji mv‡_ K2Cr2O7 I H2SO4- Gi 407. wK‡Uv‡bi mvaviY ms‡KZ C n H 2 n O †Z n Gi gvb
wewµqvq †KvbwU Drcbœ nq? b~¨bZg KZ n‡Z n‡e?
K 2 A¨vwgb L A¨vjwWnvBW K1 L2
M wK‡Uvb N A¨vj‡Kb M3 N n = 0,1,2.....
400. Kve©wbj g~j‡Ki AvKvi wKiƒc?
408. wØ-†hvRx Kve©wbj g~jK ( C  O ) Gi Dfq †hvRbx hw`
K PZz¯ÍjKxq L wcivwgW GKB ev wfbœ A¨vjKvBj ev A¨vivBj g~jK Øviv hy³ n‡j
M mij‰iwLK N mgZjxq w·KvYvKvi MwVZ †hŠM‡K Kx e‡j?
401. 2,4-DNPH-Gi eY© Kxi~c? K A¨vjwWnvBW L wK‡Uvb
K mv`v L njy` M B_vi N A¨vj‡Kvnj
M †mvbvjx N eY©nxb
402. CH3 CH2CHO, CH3CHO, CH3CO CH3
†hŠM¸‡jvi †ÿ‡Î †KvbwU mwVK?
 |

409. 409. O O
K Cr O || ||
CH3  CH(OH)  CH3  [O] 227  C H C C2 H 5
H 2SO4
K L
A+ H2O Drcbœ A †hŠMwUi bvg Kx?
O
K †cÖvcvb¨vj L †cÖvcv‡bvb ||
O
M weDUv‡bvb N B_v‡bvb C CH3

Cu / Ag M N
410. 410. CH3  CH(OH)  CH3  
 417. 417.
CH3–CO–CH3 + H2O wewµqvwU KZ ZvcgvÎvq N‡U? O O
|| AlCl 3 ||
K 250CL 350C " A"Cl  C   C
M 400C N 300C
+ HCl wewµqvq A †hŠMwU Kx?
Cu
411. 411. A   CH3  CO  CH3  H 2O Cl OH
300 C
wewµqvwU‡Z A †hŠMwU n‡jv- K L
K 3 A¨vj‡Kvnj L 2 A¨vj‡Kvnj COH
M wK‡Uvb N 1 A¨vj‡Kvnj
M N

412. 412. ( R  COO)2 Ca  R  CO  R +  X  CaCO
418. 418. (CH 3COO) 2 Ca  3; X
CaCO3
†hŠMwUi ms‡KZ Kx?
wewµqvwU‡Z R Gi cwie‡Z© H wb‡j Drcbœ †hŠM Kx
K CH3 – CHO L CH3COOH
n‡Zv?
M CH3COCH3 N Ca(OH)2
K CH3 - CHO L CH3 - CO - CH3
419. n¨v‡jvdig wewµqvq †Kvb n¨v‡jv‡RbwU Drcbœ nq bv?
M H - CHO N H - COOH
K CHF3 L CHCl3
413. wK‡Uvb cÖ¯‘wZi mvaviY c×wZ bq †KvbwU?
M CHBr3 N CHI3
K ˆRe GwmW n‡Z L 3 A¨vj‡Kvnj n‡Z
420. †jgb Nv‡mi myMwÜ Dcv`vb mvBUªvj †Kvb †hŠ‡Mi
M nvB‡Wªv‡Rb Acmvi‡Yi gva¨‡g
D`vniY?
N ˆRe Gwm‡Wi Ca jeY n‡Z
K - OH L CO
414. wb‡Pi †Kvb cÖwµqvq wK‡Uvb kbv³ Kiv nq?
K †dBwjs `ªeY L U‡jb weKviK M - NH2 N RX
421. wb‡Pi †KvbwU wK‡Uvb bq?
M 2, 4- DNPH N †e‡bwWKU `ªeY
O
415. wK‡Uv‡bi †ejvq cÖ‡hvR¨ bq? ||
K Kve©bvBj g~jK Av‡Q K CH3C  C  CH3 L CH3  C  Cl
||
L `ywU A¨vivBj g~jK Av‡Q O
M `ywU A¨vj‡Kvnj g~jK Av‡Q O
N Kvev©bvBj g~jK H _v‡K
416. A¨vwm‡Uvwd‡bvb Gi ms‡KZ †KvbwU? M N CH3 – CHO
 |

422. wb‡Pi †KvbwU Kve©w·wjK g~j‡Ki mvaviY ms‡KZ? M †i‡Rv‡bÝ KvVv‡gv †`q
K CnH2n+1COOH L CnH2nCOOH N me¸‡jv
M CnH2n–2COOH N CnH2n+2COOH 431. wb‡Pi PviwU ˆRe Gwm‡Wi g‡a¨ †KvbwU me‡P‡q `ye©j
423. A¨vwj‡dwUK Kve©w·wjK GwmW‡K ejv nq- GwmW?
K wgbv‡ji GwmW L ˆRe GwmW K H–COOH L CH3COOH
M d¨vwU GwmW N me¸‡jv M ClCH2COOH N Cl2CHCOOH
424. wf‡bMv‡i B_vqwbK Gwm‡Wi cwigvY KZ? 432. Møvwmqvj A¨vwmwUK GwmW Kx?
K 4-8% L 4-10% K 99.5% weï× B_vbwqK GwmW
M 6-10% N 6-12% L 40-50% B_vbwqK GwmW
425. weï× I Abv`©ª A¨vwmwUK GwmW 16.7C ZvcgvÎvq R‡g M 6-10% B_vbwqK GwmW
Zzlv‡ii b¨vq mv`v AvKvi aviY Ki‡j G‡K Kx e‡j? N 10% B_vbwqK GwmW
K weï× A¨vwmwUK GwmW 433. ‡KvbwU d¨vwU GwmW?
L Abv`©ª A¨vwmwUK GwmW COOH
M wgbv‡ji A¨vwmwUK GwmW
K L CH3COOH
N Møvwmqvj A¨vwmwUK GwmW
M H2N–CH2–COOH N H2SO4
426. KZ ZvcgvÎvq A¨vwmwUK GwmW Zzlv‡ii b¨vq mv`v AvKvi
aviY K‡i? 434. †KvbwU A¨v‡iv‡gwUK Kve©w·wjK GwmW?

K 100C L 19C K A·vwjK GwmW L B_v‡bvwqK GwmW

M 16.7C N 18.5C M m¨vw·wb· GwmW N †eb‡RvwqK GwmW
427. Kve©w·wjK Gwm‡Wi Kvh©Kix g~jK †KvbwU? 435. MVb Abymv‡i Kve©w·wjK GwmW KZ cÖKvi?
O O K2 L3
|| || M4 N5
K  C H L  C OH
436. wkí‡ÿ‡Î weï× B_v‡bvwqK GwmW Drcbœ Kiv nq †KvbwU
O O
|| || †_‡K?
M  C  O  R N  C NH 2 K A¨vj‡Kvnj L A¨vjwWnvBW
428. Kve©w·wjK MÖæc wK‡Uvb ev A¨vj‡Kvn‡ji ag© cÖ`k©b K‡i bv M B_vBb N A¨vwgb
KviY- 437. D”PZi d¨vwU GwmW cÖ¯‘wZi mvaviY cÖYvwj †KvbwU?
K cÖK…wZ Kve©wbj MÖæc †bB L  OH MÖæc †bB O
M  CO MÖæc †bB N me¸‡jvB || HCl
K R  C  O  OR   H 2O 
429. Kve©w·wjK Gwm‡Wi D”PZi m`m¨¸‡jvi ( C10) †fŠZ ag©
O
‡Kvb cÖK…wZi? ||
K KwVb L Zij R  C  OH  R   OH
M M¨vm N cøvRgv
430. Kve©w·wjK GwmW GKwU GwmW KviY?
K bxj wjUgvm‡K jvj K‡i
L Rjxq `ªe‡Y H+ `vb K‡i
 |

O 444. Kve©w·wjK GwmW‡K wbiæw`Z Ki‡j †KvbwU cvIqv hvq?

||
L
HCl
R  C  OR   H 2O  K A¨vj‡Kb L A¨vjwWnvBW

O M G÷vi N A¨vbnvBWªvBW
|| 445. ‡KvbwU cwjKve©w·wjK Gwm‡Wi D`vniY?
R  C  OH  R   OH
K mvw·wbK GwmW L UviUvwiK GwmW
O
|| M mvBwUªK GwmW N g¨v‡jvwbK GwmW
HCl
M R  C  Cl  H 2O  446. Kve©w·wjK Gwm‡Wi -OH MÖæcwU hw` -OR MÖæc Øviv
O cÖwZ¯’vcb Kiv nq Z‡e Zv‡K Kx e‡j?
||
R  C  OH  HCl K A¨vjwWnvBW L wK‡Uvb
O M B_vi N G÷vi
|| HCl 447. wb‡Pi †KvbwU G÷v‡ii Kvh©Kix g~jK?
N R  C  NH 2  H 2O 
K – COOH L – COR
O
|| M – COOR N R–O–R
R  C  OH  NH 3 BF3 .H 2O
448. R  OR  CO    A; A †hŠMwU Kx?
438. wf‡bMvi ˆZwi‡Z †Kvb e¨vK‡Uwiqv mnvqZv K‡i? 200C
K WvqvUg L Wvqv‡÷R K R–COOR L – CHO
M gvB‡KvWvg©v A¨vwmwU N b÷K M – OH N – COOH
439. cvB‡ivwjMwbqvm Gwm‡W wb‡Pi †KvbwU Abycw¯’Z? 449. nvBWª·vwgW GwmW cixÿv Øviv †KvbwU kbv³ Kiv nq?
K B_vqwbK GwmW L wg_vbj K -COOH L -CHO
M †cÖvcvbb N diwgK GwmW M -OH N -COOR
440. NaHCO3 Gi mv‡_ wb‡¤œi †Kvb †hŠMwU CO2 Aegy³ 450. ‰Re GwmW I A¨vj‡Kvn‡ji wewµqvq Drcbœ ‡hŠM‡K Kx
K‡i? e‡j?
K B_v‡bvwqK GwmW L B_vBj A¨vwgb K B_vi L G÷vi
M †cÖvcv‡bvb N B_vbj M Kve©w·wjK GwmW N A¨vgvBW
441. Na avZz Kve©w·wjK g~j‡Ki †KvbwU‡K AcmviY K‡i? 451. cvKv Kjvq †Kvb G÷vi _v‡K?
K – H L – OH K †ebRvBj A¨vwm‡UU L A¨vgvBj A¨vwm‡UU

M CO N –COOH M AKUvBj A¨vwm‡UU N B_vBj weDUv‡iU

452. wb‡Pi †KvbwU A¨vgvBj A¨vwm‡U‡Ui ms‡KZ?
442. ‡Kvb cixÿvwU B_vbwqK Gwm‡Wi Rb¨ ˆewkó¨g~jK?
K CH3COOC5H11
K NaHCO3 `ªeY cixÿv
L C3H7COOC2H5
L gviwKDwiK †K¬vivBW `ªeYmn cixÿv
M C3H7COOC4H9
M †dwjs `ªeY cixÿv
N CH3COOCH2C6H5
N K¨v‡KvwWj A·vBW cixÿv
453. †Rmwgb dz‡j †Kvb G÷vi _v‡K?
443. †KvbwU A¨vjwWnvBW I GwmW wn‡m‡e KvR K‡i?
K 3-wg_vBj weDUvBj B_vb‡qU
K H– COOH L CH3–COOH
L †ebRvBj A¨vwm‡UU
M H–CHO N CH3–CHO
 |

M B_vBj weDUv‡iU CH2 COOC17H35

|
N AKUvBj A¨vwm‡UU M CH  COOC17 H 35  3NaOH 
454. cvKv Kgjvq †Kvb G÷vi _v‡K? |
CH2 COOC17H35
K weDUvBj weDUv‡iU
CH2  OH
L A¨vgvBj A¨vwm‡UU |
M AKUvBj A¨vwm‡UU 3C17 H 35COONa  CH  OH
|
N AvB‡mv A¨vgvBj AvB‡mv f¨vjv‡iU CH2 OH
455. G÷vi †Kvb ai‡bi c`v_©? N HCOOH+NaOHHCOONa+H2
K A¤øxqL ÿvixq 463. wb‡Pi †KvbwU g‡bvKve©w·wjK GwmW †kªwYfz³ bq?
M wbi‡cÿ N me¸‡jv K diwgK GwmW L B_v‡bvwqK GwmW
456. wbgœZi G÷v‡ii m`m¨¸‡jv †Kvb cÖK…wZi? M A·vwjK GwmW N †cÖvcvbwqK GwmW
K KwVb L M¨vm 464. A¨v‡gvwbqvi GK ev GKvwaK nvB‡Wªv‡Rb cigvYy R/Ar
M Zij N ùwUK g~jK Øviv cÖwZ¯’vwcZ Ki‡j Zv‡K Kx e‡j?
457. AwaKvsk dzj I d‡ji myM‡Üi Rb¨ `vqx wb‡Pi †KvbwU? K B_vi L A¨vwgb
K B_vi L G÷vi M A¨vgvBW N A¨vwbwjb
M †dbj N Kve©wbj MÖæc 465. A¨vwgb cÖavbZ KZ cÖKvi?
458. ÿvi Øviv G÷v‡ii Av`ª© we‡kølY‡K Kx e‡j? K2 L3
K Kve©vbvqb L mvevbvqb M4 N5
M mvevb N jeY 466. A¨vwgb cÖ¯‘wZi mvaviY wbqg bq †KvbwU?
459. †Zj I Pwe© Kx? K bvB‡Uªv A¨vj‡b †_‡K
K G÷vi L B_vi L ndg¨vb c×wZ‡Z
M GwmW N wK‡Uvb M UjyBb †_‡K
460. G÷vi‡K weRvwiZ Ki‡j Kx cvIqv hvq? N A¨vj‡Kvnj †_‡K
70
C
K GwmW L 1- A¨vj‡Kvnj 467. R  NH 2  CHCl3  3KOH   A+
M 2- A¨vj‡Kvnj N 3- A¨vj‡Kvnj 3KCl + H2O; A †hŠMwUi ms‡KZ †KvbwU?
461. G÷vwiKiY wewµqvq H2SO4 Gi KvR †KvbwU? K R – COOH L R – NH2
K wewµqv‡K GKgyLx Kiv L wewµqv‡K DfgyLx Kiv M R NC N R – CN2
M cvwb ˆZwi Kiv N G÷vi ˆZwi Kiv 468. Kvwe©j A¨vwgb cixÿvi gva¨‡g kbv³ Kiv nq?
462. mvevbvqb wewµqv †KvbwU? K cÖvBgvwi A¨vwgb L †m‡KÛvwi A¨vwgb
K CH3COOH+NaOH= CH3COONa+H2O M Uviwkqvwi A¨vwgb N me¸‡jv
L CH3COOCH2CH3 +NaOH = CH3COONa + 469. Kvwe©j A¨vwgb cixÿv KZ ZvcgvÎvq N‡U?
CH3 – CH2 – OH K 10C L 50C
M 0.-5C N 70C
470. ndg¨vb wW‡MÖ‡Wkb cÖwµqvq A¨vwgb Drcv`‡b cÖ‡qvRb nq
bv wb‡Pi †KvbwU?
 |

O LCH3CON2Cl+Br2 + 4KOHCH3OH +
|| 2RBr + K2CO3 + 2H2O
K R  C  NH 2
Cu2Cl2
O M C6 H 5 NH 2  HCl   C6 H5Cl +N2
||
5 C

L R  C  O  NH 2 N C6H5NH2+HCl+HNO2
C6H5N2Cl + 2H2O
M Br2
480. Kvwe©j A¨vwgb wewµqvi mvnv‡h¨ kbv³ Kiv nq †Kvb †hŠM?
N KOH
K 2 A¨vwgb L 1 A¨vwgb
471. A¨vwj‡dwUK A¨vwg‡bi D”PZi m`m¨¸‡jv †Kvb cÖK…wZi?
M Wvqv‡Rvwbqvg jeY N A¨vj‡Kvnj
K KwVb L Zij
481. Kvwe©j A¨vwgb wewµqv †`q †Kvb †hŠM?
M M¨vmxq N A¯^”Q
K CH3NH2 L CH3–NH–CH3
472. A¨vwgb mvaviYZ-
NH 2
K ˆRe GwmW L ˆRe ÿviK
M N CH  CH
M GwmW N ÿvi
473. cÖwZ¯’vc‡bi msL¨vbymv‡i A¨vwgb KZ cÖKvi. 482. ÿvixq ÿgZvi µ‡gi †ÿ‡Î wb‡Pi †KvbwU mwVK?
K2 L3 K CH3CH2ClCH3Cl  3 A¨vwgb2 A¨vwgb
M4 N5 L 3 A¨vwgb2 A¨vwgb CH3Cl CH3CH2Cl
474. A¨vwg‡bv g~j‡Ki msL¨vbymv‡i †KvbwU A¨vwgb Gi cÖKvi bq? M 2 A¨vwgb3 A¨vwgb CH3CH2Cl CH3Cl
K g‡bv A¨vwgb L WvB A¨vwgb N CH3Cl CH3CH2Cl2 A¨vwgb3 A¨vwgb
M UªvB A¨vwgb N cwj A¨vwgb 483. ‡Kvb weKviK Øviv cÖvBgvwi A¨vwgb kbv³ Kiv hvq?
475. wb‡Pi †KvbwU 2 A¨vwgb? K HCl L CHCl3
K CH3 NH3 L CH3CH2NH2 M NaOH N CHCl3+KOH
M CH3NH CH3 N C6H5 NH2 484. ‡Kvb †hŠM ndg¨vb wW‡MÖ‡Wkb cÖ`k©Y K‡i?
476. wb‡Pi †Kvb †hŠM Wvqv‡Rvwbqvg jeY ˆZwi Ki‡Z mÿg? K ArNH2 L ArCONH2
K C2H5 NH2 L C6H5NH2 M ArNO2 N ArCH2NH2
M C6H5 NHC6 H5 N CH3 NH CH3 485. ‡KvbwU †KvqviUvibvwi jeY?
477. A¨vwbwjb †_‡K †ebwRb Wvqv‡Rvwbqvg †K¬vivBW ˆZwi‡Z CH3
cÖ‡qvRb †KvbwU? |
K CH 3  N  CH 3 L H  N  CH3
K HCl, NaNO3, 5C |
L NaNO2, 5C CH3
M NaNO2 + HCl, 5C CH 3  NH CH3
N NaNO3 + HCl, 5C M N N+Cl-
478. A¨vwgbmg~‡ni †ejvq †Kvb Z_¨wU cÖ‡hvR¨? CH3 CH
CH3 3
K †cÖvUb Z¨vM K‡i L ‡cvjvi †hŠM
M cvwb‡Z `ªeYxq N cvwbmn H eÜY K‡i 486. Uviwmqvwi (3) A¨vwg‡bi mvaviY ms‡KZ †KvbwU?
479. wb‡Pi †Kvb wewµqvwUi mgxKiY mwVK bq? K R4N+ L R3N
K CH3NH2+HNO2CH3OH + N2+H2O M R2NHN R NH2
 |

487. ‡KvbwU me‡P‡q `ye©j ÿvi? K CH 2  CH 2  CH 2

K A¨v‡gvwbqv L wg_vBj A¨vwgb | |
NH 2 NH 2
M WvB wg_vBj A¨vwgb N UªvB wg_vBj A¨vwgb
L CH3  CH2  NH
488. ‡KvbwU A¨vwgbmg~‡ni ÿvi agx©Zvi mwVK µg? |
K 12 3 L 213 CH3
M 231 N 321 M CH 2  CH 2  CH  CH 2  CH 2
NH 2 | | |
NH 2 NH 2 NH 2
NaNO 2
489.     cÖavb Drcv`| wewµqvq cÖavb
HCl; 0  5C CH3
/
Drcv` †KvbwU? N CH3  N
\
N 2Cl CH3
NH 2
495. wg_vBj A¨vwg‡bi Kb Gi gvb KZ?
K L
NO 2 K 1.5  10-4 L 1.8  10-4
M 4.31  10-4 N 5.22  10-4
NH 2 OH
496. ndg¨vb ÿz`ªvskKiY wewµqvq wewµqK A‡cÿv Drcv‡` Kg
_v‡K-
M N
K GKwU Aw·‡Rb L GKwU Kve©b
Cl NH 2
M bvB‡Uªv‡Rb N nvB‡Wªv‡Rb
490. ‡KvbwU A¨vivBj A¨vwgb?
497. -b¨vc_j Gi ms‡KZ †KvbwU?
K wg_vBj A¨vwgb L A¨vwbwjb
O
M cvB‡ivj N wcwiwWb
491. cvZjv HCl Gi mv‡_ wewµqvq mev©waK mwµq A¨vwgb K
†KvbwU? OH
K N(CH3)3 L NH(CH3)2
L
M C6H5NH2 N CH3 NH2 O
492. MVb Abymv‡i A¨vwgb KZ cÖKvi? OH
K2 L3 M
M4 N5 OH
493. ‡KvbwU cvB‡iv‡ji ms‡KZ KZ? N

K L 498. Kve©w·j Gwm‡Wi nvBWªw·j MÖæc A¨vwg‡bv Øviv cÖwZ¯’vwcZ

S N n‡j Zv‡K Kx e‡j?
K A¨vwgb L A¨vwbwjb

M N M A¨vgvBW N B_vi
N
H 499. wb‡Pi †KvbwU GwmW A¨vgvB‡Wi Kvh©Kix g~jK?
494. wb‡Pi †KvbwU cwj A¨vwg‡bi ms‡KZ? K – COOH L – COONH2
M – CONH2 N – CONH3
 |

[H  ] N NH4[Fe(CN)5(NOS)
500. R  C  N  H 2 O  A ; wewµqvq A †hŠMwU
Kx? 510. FeCl3 + NaCNS  x + NaCl; x Gi eY© Kx?
K RCOOH L R – CHO K bxjvf meyR L †e¸wb
O M Kv‡jv N i³jvj
||
M R–NH2 N R  C  NH 3 511. g~j `ªeY + AgNO2  X + NaNO3; X Gi eY© njy`
n‡j wewµqv Øviv wb‡Pi †KvbwU kbv³ Kiv hvq?
501. wjUgvm cixÿvq A¨vgvBW †Kvb cÖK…wZi?
KS L Br
K A¤øxq L ÿvixq
M Cl M I
M wbi‡cÿN mvgvb¨ ÿvixq
512. NaCl + AgNO3  AgCl + NaNO3; wewµqvq
502. HgO ‡hŠ‡Mi eY© †Kgb? cÖvß Aat‡ÿ‡ci eY© Kx?
K njy` L Kv‡jv K mv`v L njy`
M bxj N ev`vwg M ev`vwg N †e¸wb
503. HgO cixÿv Øviv †Kvb †hŠMwU kbv³ Kiv nq? 513. [Ag(NH3)2]Cl ‡hŠMwUi IUPAC bvg Kx?
K NH3 L R - NH2 K wmjfvi WvB A¨v‡gvwbqvg †K¬vivBW
M R - COONH2 N R - CONH2
L WvB A¨v‡gvwbqvg wmjfvi †K¬vivBW
504. NH3 M¨v‡mi cixÿv Øviv kbv³ Kiv nq?
M WvB A¨vwgb wmjfvi †K¬vivBW
K R -OH L - CONH3
N me¸‡jvB
M – CONH2 N - COOH
514. NaX+AgNO3 AgX+NaNO3 wewµqvq X hw` I
505. n¨v‡jv‡Rb kbv³Ki‡Y g~j `ªe‡Y †Kvb weKviK e¨envi Kiv
nq Z‡e cÖvß Aat‡ÿ‡ci eY© Kx n‡e?
nq?
K jvj L njy`
K AgCl L FeSO4
M ev`vwg N bxjvf meyR
M AgNO3 N BaCl2
515. A¨vj‡Kvnjxq g~jK kbv³ Kiv hvq-
506. †Kvb c×wZ‡Z n¨v‡jv‡Rb kbv³ Kiv nq?
K Wzgvi L †RjWvj K Br2 `ªeY Øviv L 5% NaHCO3 Øviv

M †jmvBbN n¨v‡Kj M 2, 4 DNP Øviv N U‡jb weKviK Øviv

507. ‡jmvBb c×wZ‡Z wb‡Pi †KvbwU kbv³ Kiv nq? 516. Kve©b wkK‡j -eÜb kbv³ Kiv hvq-

K Cl L N K †dwjs `ªeY L Br2 `ªeY

MP NS M 5% NaHCO3 Øviv N AgNO3

508. ‡jmvBb cixÿvq †Kvb avZz e¨envi Kiv nq? 517. Kve©w·wjK (– COOH) g~jK kbv³ Kiv hvq-
K Na L Zn K wjUgvm L U‡jb weKviK
M Cu N Fe M 5% NaHCO3 N †dwjs `ªeY
509. g~j `ªeY‡K HNO3 ‡hv‡M A¤øvwqZ K‡i AgNO3 `ªeY 518. ‰Re †hŠ‡M bvB‡Uªv‡Rb, mvjdvi I n¨v‡jv‡Rb kbv³ Kiv
†hvM K‡i x Gi njy` Aat‡ÿc co‡j x ‡hŠMwU †KvbwU? nq wb‡¤œi †Kvb cixÿvq?
K Fe(CNS)Cl2 K †RjWvj L Wzgvi
L AgCl M †jmvBbN Kvwe©j A¨vwgb
M AgI
 |

519.  X  6HCl ; X †hŠ‡Mi eY©

 2FeCl3  K †dbj L Kve©w·wjK GwmW
M B_vi N A¨vj‡Kvnj
Kx?
529. ROH + PCl5  RCl+A + HCl. wewµqvq A
K †Mvjvcx L †e¸wb
†hŠMwU Kx?
M i³ jvj N bxjvf meyR
K ROCl L POCl
520. ﮋ I Abv`©ª Zij bgybvq †KvbwU †hvM Ki‡j A¨vj‡Kvnj‡K
M POCl3 N POCl2
kbv³ Kiv nq?
530. Kve©wbj ( CO) MÖæ‡ci Dcw¯’wZ cixÿvq e¨eüZ nq
K POCl3 L Na
†KvbwU?
M Mg N KMnO4
K 2,4-DNP L jyKvm weKviK
521. †KvbwU U‡jb weKviK Gi mv‡_ mv`v Aat‡ÿc m„wó K‡i?
M HNO3 + H2SO4 N I2 + KOH
K CH3COCl L CH3CONH2
531. ‡Kvb †hŠ‡Mi m‡½ FeCl3 †hvM Ki‡j ‡e¸wY eY© m„wó K‡i?
M HCOOH N CH3COOH
K A¨vjwWnvBW L R – NH3
522. U‡jb weKviK †KvbwU?
N 2Cl
K Na4[Fe(CN)5(NOS)]
L AgNO3 M †dbj N
M [Ag(NH3)2]Cl 532. ‡Kvb †hŠ‡M Na ‡hvM Ki‡j H2 ey`ey` m„wó nq?
N [Ag(NH3)2]OH K A¨vj‡Kvnj L B_vi
523. ﮋ I Abv`ª© ˆRe bgybvq †mvwWqvg †hvM Ki‡j †h H2 M¨vm M wK‡Uvb N B‡_b
Gi ey`ey` m„wó nq †mwU Øviv †KvbwU kbv³ Kiv hvq?
533. Kve©wbj g~jK kbv³Ki‡Yi weKviK †KvbwU?
K R – X L R – OH
K jyKvm weKviK L 2, 4 DNP
M R – CHO N R – COOH
M †dBwjs `ªeY N U‡jb weKviK
524. ‰Re †hŠ‡M (–COOH) kbv³Ki‡Y wb‡Pi †KvbwU e¨eüZ
nq? 534. A¨vjwWnvBW I wK‡Uv‡bi g‡a¨ cv_©K¨ Kiv nq bv †Kvb
weKvi‡Ki mvnv‡h¨?
K Na2CO3 L CaCO3
K jyKvm weKviK L U‡jb weKviK
M H2CO3 N NaHCO3
525. NaHCO3 cixÿv Øviv wb‡Pi †KvbwU kbv³ Kiv hvq bv? M 2,4-DNP N †dnwjs `ªeY
535. 1, 2, 3 A¨vj‡Kvn‡ji g‡a¨ cv_©K¨ Kiv nq †Kvb
K wµmj L †dbj
weKvi‡Ki mvnv‡h¨?
M †eb‡RvwqK GwmW N R – NH2
K jyKvm weKviK L 2,4-DNP
526. bxj wjUgvm †ccvi jvj n‡j †hŠMwU
M †dnwjs `ªeY N U‡jb weKviK
K GwmW L ÿvi
536. [Fe(CN)3NO.CH3COCH2]3– †hŠMwUi eY© †Kgb?
M cÖkg N me¸‡jv
K jvj eY© L meyR
527. jvj wjUgvm †ccvi bxj n‡j †hŠMwU-
M ev`vwg N nj‡`
K ÿvi L GwmW
537. †mvwWqvg bvB‡Uªv cÖæmvBW cixÿv Øviv kbv³ Kiv nq-
M Dfagx© A·vBW N cÖkg
K A¨vjwWnvBW L wK‡Uvb
528. NaHCO3 Gi mv‡_ wewµqv K‡i CO2 Drcbœ K‡i
†KvbwU? M A¨vj‡Kvnj N B_vi
538. wmd weKviK Øviv kbv³ Kiv nq-
 |

K -CHOL -OH 1 
M v
M -NH2 N -O- 2c K
539. ˆRe †hŠM Øviv m„ó †kvlY eY©vwj‡K Kx e‡j? 1 
K NMR L IR-spectrum N v
2m K
M NIR spectrum N MRI 548. dvÛv‡g›Uvj eªv‡Ûi Rb¨ K¤úb †Kvqv›Uvg msL¨vi gvb KZ?
540. ivmvqwbK cixÿv QvovB Kvh©Kix g~jK kbv‡³i cixÿv- K ν=1 to ν = 2 L ν=0 to ν = 2
K †cvjvwiwgwZ L eY©vwjwgwZ M ν=1 to ν = 0 N ν=0 to ν = 1
M †¯úK‡UvwgUvi N wmRvwis 549. AvšÍtAvYweK H- eÜb hy³ O-H cÖmviY e¨vß Kxi~c n‡e?
541. IR (Ae‡jvwnZ iwk¦) Gi e¨vwß KZ? K Sharp L broad
K 40-400 cm -1
L380-600 cm -1
M bending N stretching
M 400-4000 cm -1
N 100-1000 cm -1
550. CO g~jK hy³ IR e¨v‡Ûi mxgv KZ?
542. wb‡Pi †KvbwU wd½vi wcÖ›U GjvKvi e¨vwß? K 1715cm–1 L 1710 cm–1
K 500 cm-1 L1000 cm-1 M 1800cm–1 N 1735 cm–1
M <1000 cm-1 N >1000 cm-1 O
543. AYyi K¤úb‡K mvaviYZ KqwU fv‡M fvM Kiv nq? ||
551. Kve©w·wjK Gwm‡Wi R  C  OH eªv‡Ûi mxgv KZ?
K2 L3
K 1735 cm–1 L 1810 cm–1
M4 N5
M 1710 cm–1 N 1795 cm–1
544. eµKiY (Bending) ‡K Kqfv‡M fvM Kiv n‡q‡Q?
O
K3 L2 ||
552. G÷vi †hŠ‡M R  C  OR e¨v‡Ûi mxgv KZ cm–1
M4 N5
545. wb‡Pi †KvbwU Zj ewnf~Z© IqvwMs? K 1735 L 1810
M 1715 N 1795
K L 553. A¨vjwWnvBW I wK‡Uv‡bi cv_©K¨ wbY©‡q ¸iæZ¡c~Y© e¨vÛ
‡KvbwU?
wbKU wbKU `~i wbKU K 2850cm–1 L 2750cm–1
M N M 1715cm–1 N 1710cm–1
546. wb‡Pi †KvbwU Bending Gi †kªwYwefvM bq? 554. wK‡Uvb †hŠ‡M e¨v‡Ûi mxgv KZ?

K wmRvwis L UzBw÷s K 1725 cm-1 L 1715 cm-1

M 1790 cm-1 N 1800 cm-1
M weqvwis N iwKs
555. C–O cÖmviY e¨vÛwUi gva¨‡g cv_©K¨ wbY©q Kiv hvq-
547. wb‡Pi †KvbwU dvÛv‡g›Uvj eªv‡Ûi mgxKiY-
K A¨vj‡Kvnj I †db‡ji
1 K
K v L A¨vjwWnvBW I wK‡Uv‡bi
2c 
M B_vi I A¨vjwWnvB‡Wi
1 K
L v N Kve©bvBj MÖæc
2m 
556. ‡db‡ji OH cÖmviY e¨v‡Ûi e¨vwß KZ?
K 1220cm–1 L 3610 cm–1
 |

M 3630 cm–1 N 3960 cm–1 K mvevb L wWUvi‡R›U

557. 3 A¨vj‡Kvn‡ji C - O cÖmviiY e¨v‡Ûi e¨vwß KZ? M wMømvwibN A¨vjwWnvBW
K 1050 cm-1 L 1150 cm-1 567. wb‡Pi †KvbwU A¨v‡µvwj‡bi ms‡KZ?
-1 -1
M 1220 cm N 1300 cm CH2 CH 3
558. A¨vwm‡Uv‡d‡bvb Gi †¯úKUªvg 1680cm –1
e¨vÛwU †Kvb || ||
K CH L CH 2
g~j‡Ki Rb¨ cÖ‡hvR¨?
| |
K CO L –OH CHO CHO
M – OR N – CN CH2OH CH2
|| ||
559. wMømvvwib Kx? M CH  OH N CH
K WvBnvBwWªK A¨vj‡Kvnj | |
CHO COOH
L UªvBnvBwWªK A¨vj‡Kvnj
CH2 COOR
M miweUj |
[H  ]
N 3 A¨vj‡Kvnj 568. CH  COOR 3H  OH  A  3R–
|
560. wMømvwib †K cÖ¯‘Z K‡ib? CH3 COOR
K wcÖ÷‡j L kx‡j COOH wewµqvq A †hŠMwU-
M eªvÛ N j¨vfqvwm‡q K d¨vwU GwmW L wMømvwib
561. wMømvwib KZ mv‡j me©cÖ_g cÖ¯‘Z Kiv nq? M mvevb N wWUvi‡R›U
K 1790 L 1850 569. wb‡Pi †KvbwU †eviv· Gi ms‡KZ?
M 1848 N 1779 K H3 BO3 L B3 BO4
562. D”PZi d¨vwU Gwm‡Wi †mvwWqvg ev cUvwmqvg jeY‡K Kx M Na2B4O7.7H2O N Na2B4O7
e‡j? 570. wMømvwib kbv³KiY wewµqv-
K wMømvwibL mvevb K A¨v‡µvwjb cixÿv
M wWUvi‡R›U N me¸‡jv L KMnO4 `ªeY cixÿv
563. ˆZj ev Pwe©i ÿvixq Av`ª© we‡kølY‡K Kx e‡j? M †eviv·v †dbd&_¨vwjb cixÿv
K mvevbvqb L Av`ª©we‡kølY N me¸‡jv
M Kve©vbvqb N Kve©K¨Uvqb 571. †db‡ji ivmvqwbK bvg Kx?
564. †c‡Uªvwjqvg I †c‡Uªvwjqvg RvZxq Dcv`v‡bi AvswkK K Kve©wjK GwmW L nvB‡Wªvw· †ebwRb
cvZ‡bi mgq DcRvZ wnmv‡e Kx Drcbœ nq?
M UjyBb N Kve©wbK GwmW
K mvevb L wWUvi‡R›U
572. wb‡Pi †KvbwU wMømvwi‡bi e¨envi bq?
M wMømvwibN ‡cÖvwcb
KJla wk‡í L †jvkb ˆZwi‡Z
565. ‡cÖvwcb n‡Z ms‡køwlK cÖYvwj‡Z KZfvM wMømvwib cÖ¯‘Z Kiv
M RxevYybvkKi~‡c N cøvw÷K cÖ¯‘wZ‡Z
nq?
573. ‡db‡ji cÖavb Drm Kx?
K 50 L 60
K jNy †Zj L AvjKvZiv
M 70 N 90
M ga¨g †Zj N fvix ˆZj
566. A¨v‡µvwjb cixÿv Øviv kbv³ Kiv nq-
574. AvjKvZiv‡K AvswkK cvZb Ki‡j KqwU Ask cvIqv hvq?
 |

K2 L3 OH
M4 N5 582. 582. ‡hŠMwUi bvg Kx?
575. AvjKvZivi AvswkK cvZb †_‡K cÖvß ga¨g †Z‡j ‡KvbwU OH OH
Dcw¯’Z _v‡K?
K UªvB †dbj L WvB †dbj
K †ebwRb L †dbj
M †d¬v‡ivMøwmbj N K¨vwUKj
M wµmj N A¨vb_ªvwmb 583. wb‡Pi †KvbwU KzBbi Gi ms‡KZ?
576. A¨vivBj †K¬vivB‡Wi Av`ª© we‡køl‡Yi gva¨‡g †dbj ˆZwii
OH OH
cÖwµqv‡K Kx e‡j? OH
K ¯úk© c×wZ L wKDwgb c×wZ K L
OH
M WvD c×wZ N †nevi em c×wZ
OH CH 3
577. ‡ebwRb P‡µi Kve©‡bi mvB – OH g~jK mivmwi hy³ n‡q
†h †hŠM MwVZ nq Zv‡K Kx e‡j? M N
K UjyBb L ‡ebwRb OH
OH
M †dbj N A¨vj‡Kvnj
584. AvjKvZiv‡K KZ ZvcgvÎvq AvswkK cvZb Kiv nq?
578. ‡dbj mvaviYfv‡e †Kvb bv‡g cwiwPZ?
K 175CL 100-175C
K g‡bv nvBWªw· †ebwRb L Kve©wbK GwmW
M 170-230C N 250C
M UjyBb N †ebRv‡bvb
585. ‡dbj kbv³Kvix cixÿv †KvbwU?
OH
K wjevig¨vb cixÿv L †dnwjs `ªeY
579.  NaOH  A  H 2O ;wewµqvq A †hŠMwU-
M 2, 4- DNP N Kvwe©j A¨vwgb
COOH Na 586. ‡Kvb c×wZ‡Z †dbj cÖ¯‘Z Kiv hvq bv?
K WvD L ga¨g †Zj
K L M Kw÷K †mvWv N wKDwgb
ONa CH3 587. A¨vmwcwib cÖ¯w‘ Z‡Z †KvbwU e¨envi Kiv nq?
K A¨vj‡Kvnj L †dbj
M N
H PO4 M B_vi N †eb‡RvwqK GwmW
580.  X 3  Y , wewµqvq Y †hŠMwU-
588. eª¨v‡KjvBU Drcv`‡b †KvbwU e¨eüZ nq?
250C
K †dbj L wKDwgb K B_vi L †dbj

M wµmj N UjyBb M †ebwRb N UjyBb

581. wb‡Pi †KvbwU WªvB nvBwWªK †db‡ji ms‡KZ? 589. ‡db‡ji we‡kl ‡kÖwYi wewµqvi g‡a¨ †KvbwU cÖ‡hvR¨ bq?

OH CH3 K †Kve wewµqv

OH
L ivBgvi UvBg¨vb wewµqv
K L
M Kvcwjs wewµqv
OH OH N wW.wW.wU cÖ¯‘wZ
OH OH OH
590. ‡WU‡ji Dcv`vb †KvbwU?
M N
 |

K †K¬v‡ivRvB‡jbj L AvB‡mv †cÖvcvbj L 4-‡K¬v‡iv-3, 5 WvB wg_vBj UjyBb

M †mvc N me¸‡jv M 1-‡K¬v‡iv -3, 5 WvB wg_vBj †dbj
591. wb‡Pi †KvbwU †WU‡ji MvVwbK ms‡KZ? N 4- nvBWªw·-1, 6 WvB wg_vBj †K¬v‡iv‡ebwRb
OH 598. ‡WUj Drcv`‡b †KvbwU cÖfveK wnmv‡e KvR K‡i?
CH3 CH3
K CCl4 L Al2O3
K
M P2O5 N CaO
Cl 599. ‡WUj †Kvb cÖK…wZi?
OH K KwVb L Zij
M evqexq N cøvRgv
L CH3 CH3 600. ‡WUj †K cÖ¯‘Z K‡ib?
Cl
K j¨vfqwm‡q L e¨vÛ
OH
M †Rv‡md wj÷vi N wcÖ÷‡j
601. bvB‡UªvwMømvwib Kx?
M OH OH
K GKwU RxevYybvkK L cPb wbeviK
Cl
M we‡ùviK N †PZbvbvkK
CH 3
602. wWbvgvBU cÖ¯‘wZ‡Z wb‡Pi †KvbwU e¨envi Kiv nq?
N OH OH K bvB‡UªvwMømvwib L †dbj
OH M UjyBb N D.D.T
592. ‡WU‡ji cvwb‡Z `ªebxqZvi gvb KZ? 603. ü`wc‡Û i³ mÂvj‡bi e¨vNvZ NU‡j †KvbwU e¨envi Ki‡Z
nq?
K 330 mgL–1 L 360 mgL–1
M 250 mg.L N 230 mgL–1 K TNT L c¨vivwmUvgj
593. wb‡Pi †KvbwU †WU‡ji AvYweK ms‡KZ? M A¨vmwcwib N bvB‡Uªv wMømvwib
K C6H8ClO L C8H9ClO 604. KZ ZvcgvÎvq wb‡P bvB‡Uªv wMømvwib‡K msiÿY Ki‡Z nq?
M C6H8O7Cl N C7H8OCl K 10C L 5C
594. AvB‡mv †cÖvcvbj GKwU- M 4C N 100C
K A¨vw›UfvBivm L RxevYybvkK 605. bvB‡Uªv wMømvwi‡bi Mjbv¼ KZ?

M †e`bvbvkK N Gw›Ue¨v‡±wiqvj K 13.2C L 15.5C

595. kix‡ii †Kvb As‡k †WUj jvMv‡bv nq? M 17.6C N 16.7C
606. bvB‡Uªv wMømvwib kieslguhr gvwU‡Z †kvwlZ Ae¯’vq
K ÿZ¯’v‡b L cPbkxj As‡k
we‡ùvi‡Ki SzwK Kg GwU Kvi AwfgZ?
M †Wªwms Gi Kv‡R N me¸‡jv
K †Rv‡md wj÷vi L Avj‡d«W †bv‡ej
596. wb‡Pi †KvbwU †WU‡ji cÖavb Dcv`vb?
M j¨vfqwm‡q N kx‡j
K †K¬v‡iv RvBwjb L cvwb
607. wPwKrmv †ÿ‡Î bvB‡Uªv wMømvwi‡bi e¨envi ‡KvbwU?
M cvBb A‡qj N K¨v÷vi I‡qj
K ü`‡ivM L angina pictoris
597. ‡WU‡ji IUPAC bvg Kx?
M nvucvwb N me¸‡jv
K 4- †K¬v‡iv-3, 5-WvB wg_vBj †dbj
 |

608. T.N.T Kx? K we‡ùviK L †PZbvbvkK

K kw³kvjx we‡ùviK L kw³kvjx RxevYybvkK M †e`bvbvkK N KxUbvkK
M kw³kvjx `ªveK N AwMœ wbev©cK 615. p-A¨vwg‡bv †dbj‡K B_v‡bvwqK A¨vbnvBWªvBW Øviv
609. T.N.T Gi MvVwbK ms‡KZ †KvbwU? A¨vwmUvBjxKiY Ki‡j Kx cvIqv hvq?
OH K A¨vmwcwib L c¨vivwmUvgj
CH3 CH3
M †WUj N TNT
K
616. wb‡Pi †KvbwU c¨vivwmUvg‡ji ms‡KZ?
CH3 OH OH
OH
NO 2 NO 2 K L
L NHCO CH 3 COO CH3
NO 2 CH 3 OH
CH3
NO 2 NO 2 M N
M COO NH 2 NH COOH
NO 2 617. A·vwjK Gwm‡Wi Mjbv¼ KZ?
OH K 110CL 121C
M 101C N 120C
N
CH3 CH3 618. ‡eb‡RvwqK Gwm‡Wi Mjbv¼ †KvbwU?
Cl K 121C L 128C
610. TNT Gi eY© Kxiƒc? M 48C N 132C
K bxjvf L ev`vwg 619. KwVb ˆRe ‡hŠM ‡fRvj _vK‡j Mjbv‡¼i gvb-
M njy` N jvj‡P K e„w× cvq L n«vm cvq
611. TNT Gi Mjbv¼ KZ? M wbw`©ó _v‡K bv N wbw`©ó gvb _v‡K
K 100C L 81C 620. KwVb ˆRe †hŠM weï× n‡j Gi Mjbv‡¼i-
M 68C N 71C K n«vm N‡U L e„w× N‡U
612. TNT Ges IUPAC bvg Kx? M gvb _v‡K bv N wbw`©ó gvb _v‡K
K 2, 4, 6- bvB‡Uªv †dbj 621. wmbvwgK Gwm‡Wi Mjbv¼ KZ?
L 2, 4, 6- UªvB bvB‡Uªv †dbj K 133C L 122C
M 2, 4, 6 UªvB bvB‡Uªv UjyBb M 48C N 128C
N 2, 4, 6- bvB‡Uªv UjyBb 622. GKvwaK Zij Dcv`v‡bi wbw`©ó mshyw³i wgkÖY w¯’i
ZvcgvÎvq dzU‡Z _vK‡j Zv‡K Kx e‡j?
613. cyiv‡bv ¯’vcbv †f‡O †dj‡Z e¨envi nq-
K ùzUbv¼ L Mjbv¼
K TNT L DDT
M 2, 4- DNP N †WUj M mgùzUb wgkÖY N me¸‡jv

614. c¨vivwmUvgj Kx? 623. ‡ebwR‡bi ùzUbv¼ KZ?

K 65.5C L 78.3C
 |

M 80.4C N 101C 635. ‡he AYy‡Z 50 ev AwaK msL¨K g‡bvgvi GKK _v‡K Zv‡K
624. 78.3C ùzUbv¼wewkó †hŠM wb‡Pi †KvbwU? Kx e‡j?
K B_vi L wg_vbj K cwjgvi L cwj÷vi
M B_vbj N UjyBb M cwjw_b N PVC
625. A¨vwmwUK Gwm‡Wi ùzUbv¼ KZ? 636. wb‡Pi †KvbwU cwjw_‡bi ms‡KZ?
K 118C L 100C K n[CH2=CH2] L CH2 CH2
n
M 184C N 197C
Cl CH2
626. wb‡Pi †KvbwU wg_vb‡ji ùzUbv¼ KZ? | |
K 78.3C L 80.4C M [CH 2  CH  n ]n N [CH 2  CH 2 ]n

M 65.5C N 60.3C 637. cwjBw_wjb Kx?

627. ùzUbv¼ I Mjbv¼ c`v‡_©i †Kvb ag©? K Bw_wj‡bi g‡bvgvi L Bw_wj‡bi cwjgvi
K †fŠZ ag© L ivmvqwbK ag© M †cÖvwc‡bi g‡bvgvi N †cÖvwc‡bi g‡bvgvi
M evqexq ag© N Av‡ekxq ag© 638. wb‡Pi †KvbwU PVC Gi GKK?
628. wb‡Pi †KvbwU A¨vwbwj‡bi ùzUbv¼? K n[CH 3  CH 3 ] L CH2 CH2
n
K 184C L 100C
CH2 Cl
M 118C N 82C | |
629. Mjbv¼ wbY©‡q cÖ‡qvRbxq ivmvqwbK Dcv`vb †KvbwU? M [CH 2  CH 2 ]n N  CH2  CH  n

K c¨vivwdb †Zj L cvZb d¬v‡¯‹ 639. ‡Kvb †hŠ‡Mi cwjgviKiY m¤¢e?

M eyb‡mb evbv©i N ÷¨vÛ K C2H4 L C2H6
630. ‡h ZvcgvÎvq †Kvb KwVb c`v_© Mj‡Z ïiæ K‡i Zv‡K Kx M C3H6 N C4H10
e‡j? 640. cwjw_b ˆZwi‡Z †Kvb cÖfveK e¨envi Kiv nq?
K Mjbv¼ L ùzUbv¼ K O2 L TiCl2
M ev®úvqb N Nbxfeb M Fe2O3 N P2O5
631. Mjbv¼ wbY©‡q cvZb d¬v¯‹ ‡KvbwU Øviv cwic~Y© Kiv nq? 641. wfbvBj †K¬vivB‡Wi ms‡KZ †KvbwU?

K Mvp H2SO4 L wmwjKb †Zj K CH2 = CH – Cl L CH2=CH–CH2Cl

M c¨vivwdbw †Zj N me¸‡jv M CH3–CH=CHCl N CH3 – CH2 – Cl

642. 642. †KvbwU Drcv`‡b PVA cwjgvi e¨eüZ nq?
632. KqwU c×wZi mvnv‡h¨ ùzUbv‡¼ wbY©q Kiv nq?
K †Uwjwfk‡bi K¨vwe‡bU L cøvw÷K wmwiR
K2 L3
M Rvnv‡Ri b½i N Bgvjkb †cB›U
M4 N5
643. K¤øj ˆZwi‡Z †Kvb cwjgvi e¨eüZ nq?
633. evw¤ús †iva‡Ki Rb¨ cvZb d¬v‡¯‹ Kx †`Iqv nq?
K Avijb L †Udjb
K Zvi Rvwj L jeY
M PVC N PVA
M evwj N fvOv KvP
644. cwjw_b ˆZwi‡Z Bw_wj‡bi KZ msL¨K AYy ci¯úi hy³ nq?
634. cwjgvi k‡ãi A_© Kx?
K 100-1000 L 800-2000
K eû welq L eû Ask
M 5000 N 400-2000
M eo AYy N †ewk AYy
 |

645. A¨vwmwUwjb †_‡K PVC Drcv`‡b †Kvb cÖfveK e¨envi Cl

Kiv nq? |
M  CH2  CH  n N  CH2  CH2 n
K O2 L Cr2O4
656. wb‡Pi †KvbwU †Udjb Gi ms‡KZ?
M Ni N HgCl2
C6H5
646. ÷¨vwi‡bi cwjgvi cÖ¯‘wZ‡Z mvaviYZ †Kvb cÖfveK e¨eüZ |
K  CF2  CF2 n L  CH 2  CH 
nq?
K FeCl3 L FeCl3/HCl F F F
M Fe2O3/Cr2O3 N Al2O3/HCl | | |
M  CH 2  CH n N  CH  CH n
647. ‡g‡ivm kãwU †Kvb fvlvq?
K j¨vwUb L Rvgv©b 657. wb‡Pi †KvbwU †nv‡gv cwjgvi?
M wMÖK N ZzwK© K bvBjb 6:6 L cwj A¨vgvBW
648. wbDwK¬K GwmW Kx? M cwjKve©‡bU N PVC
K cwjgvi L g‡bvgvi 658. wb‡Pi †KvbwU †Kv-cwjgvi?
M g¨v‡µv AYy N gvB‡µv AYy K PVC L cwjBw_wjb
649. LyeB Kg AvYweK fiwewkó cwjgvi‡K Kx e‡j? M cwj G÷vi N cwj÷¨vwib
K Awj‡Mvgvi L Uvi cwjgvi 659.  CO  (CH2 )4  CO  NH  (CH2 )6  NH n
M D”P cwjgvi N me¸‡jv ‡hŠMwUi bvg Kx?
650. Dr‡mi Dci wfwË K‡i cwjgvi KZ cÖKvi? K bvBjb 6:6 L cwj A¨vgvBW
K2 L3 M bvBjb 6 :10 N cwj Kve©‡bU
M4 N5 660. wb‡Pi †KvbwU _¨vwjK Gwm‡Wi ms‡KZ?
651. AwZ D”P AvYweK fiwewkó cwjgvi‡K Kx e‡j? COOH COOH

K D”P cwjgvi L Avëªv nvB cwjgvi K L

M Awj‡Mvgvi N Uvi cwjgvi
COOH
652. wb‡Pi †KvbwU cÖvK…wZK cwjgvi?
OH CHO
K bvBjb L †Uwiwjb
M †mjy‡jvR N cwj÷vwib M N
653. wb‡Pi †KvbwU Aa©-K…wÎg cwjgvi? COOH COOH
K ÷vP© L †mjy‡jvR O O
|| ||
M †mjy‡jvR bvB‡UªU N †Uwiwjb 661. OH  C C  O  CH2  CH2  n OH
654. ÷vP©, †mjy‡jvR †Kvb cÖK…wZi cwjgvi? ‡hŠMwUi bvg Kx?
K cÖvK…wZK L K…wÎg K bvBjb 6 : 6 L bvBjb 6:10
M Aa© K…wÎg N me¸‡jv M cwjBw_wjb †Uwi_¨v‡jU N cwjdm‡dv‡bU
655. wb‡Pi †KvbwU cwj÷vwi‡bi ms‡KZ? 662. cwjBw_wjb †Uwi_¨v‡iU evRv‡i Kx bv‡g cwiwPZ?
CH3 C6H5 K bvBµg L bvBjb
| |
K  CH 2  CH n L  CH 2  CH n M †Wµb N _¨vwjK GwmW
 |

663. cÖ‡qv‡Mi w`K †_‡K cwjgvi‡K KqwU †kÖwY‡Z fvM Kiv nq? O
||
K2 L3 K  O  R  C  n OH
M4 N5 C6H5
664. cwjgv‡ii Dci Uvb ev cxob cÖ‡qv‡Mi d‡j †hme |
L  CH  CH  OH
cwjgv‡ii AvKv‡ii ¯’vqx cwieZ©b N‡U Zv‡`i‡K Kx e‡j? 2 n

K ievi L cøvw÷K OOCCH3

|
M Zš‘ N cwj÷vi M  CH  CH 2 
665. ievi Gi cÖmviYkxjZv I Uvbkw³i gvb KZ? H O
| ||
K 300-3000 psi L 400-4000 psi N H  N  R  C  n OH
M 100-1000psi N 4000-15000 psi
672. bvBjb-6, 6 Gi e¨envi bq †KvbwU?
666. cøvw÷K Gi cÖmviYkxjZv I Uvb kw³i gvb KZ?
K Kvco wk‡í
K 300-3000psi L 4000-15000psi
L h‡š¿i weqvwis Drcv`‡b
M 100-3000psi N 500-5000psi
M M„n wbgv©‡Yi Kv‡R
667. bvBjb Kx?
N `wo cÖ¯‘wZ‡Z
K ievi L cøvw÷K
673. cwjgviKiY wewµqv KZ cÖKvi?
M Zš‘ N me¸‡jv
K2 L3
668. cwjgv‡ii ˆewkó¨ bq †KvbwU?
M4 N5
K Zvc I we`y¨r cwievnx
674. GKB Kvh©Kix g~jK hy³ g‡bvgvi †KvbwU?
L ˆZwi `ªe¨ nvjKv
K A¨vjwKb L e¨v‡KjvBU
M cvwb‡Z A`ªeYxq wKš‘ ˆRe `ªve‡K `ªeYxq
M †gjvgvBb N †cÖvwUb
N wbw`©ó Mjbv¼ I ùzUbv¼ wewkó
675. cwjw_‡b KZwU Bw_b AYy hy³ _v‡K?
669. cwjgv‡ii Mjbv¼ KZ?
K 100-500 L 600-1000
K 100-300C L 200-300C
M 400-1000 N 100-1000
M 450-550C N 400-500C
676. PVC Gi e¨envi bq †KvbwU?
670. cwjwfbvBj A¨vwm‡UU Gi ms‡KZ †KvbwU?
K Bb‡RKk‡bi wmwiÄ L N‡ii †g‡Si Kv‡c©wUs
CH3
| M †iBb †KvU N K…wÎg myZv
K  CH 2  CH n 677. KZ Pv‡c cwj÷vBwib cÖ¯‘Z Kiv nq?
C6H5 K 500 atm L 1000 atm
|
L  CH2  CH  n M 100 atm N 1500 atm
OOCCH3 678. ‰e`y¨wZK fvjf ˆZwi‡Z †KvbwU e¨envi Kiv nq?
| K †Udjb L PVC
M  CH  CH 2 
M PVA N cwj G÷vi
O
|| 679. ‡dbUb weKviK †KvbwU?
N H  O  R  C  n OH K Abv`ª© Al2O3 L Abv`ª© ZnCl2
671. wb‡Pi †KvbwU cwj G÷v‡ii ms‡KZ? M FeSO4+H2O2 N Al2O3+H2O2
 |

680. wb‡Pi ‡KvbwU Nbxfeb cwjgviKiY wewµqvi gva¨‡g M †gjvWziN †cÖvwUb

Drcbœ? 691. ‡Kvb GwmWwU wKWwb‡K bó K‡i †`q?
K †gjvgvBb L PVC K BDwiK GwmW L mvqv‡bv BDwiK GwmW
M †Udjb N cwjG÷vi M BDwib N A¨vb_ªvmvqwbb
681. ‡Udjb cÖ¯‘wZ‡Z †Kvb weKviK e¨eüZ nq? 692. Nbxfeb cwjgviKiY wewµhvi gva¨‡g cÖwZ `yB AYy
K jyKvm weKviK L †dbUb weKviK A¨vgvB‡bv GwmW n‡Z GK AYy cvwb Acmvi‡Yi gva¨‡g
M U‡jb weKviK N †bmjvi weKviK †KvbwU Drcbœ nq?
682. PVA Drcv`‡b †Kvb cwjgvi e¨eüZ nq? K A¨vgvB‡bv GwmW L wjwcW
K wfbvBj †K¬vivBW L wfbvBj A¨vwm‡UU M †cÖvwUb N bvBjb 6, 6
M †cÖvwcb bvBUªvBj N Bw_wjb 693. Møy‡Kv‡Ri AvYweK ms‡KZ †KvbwU?
683. ‡iBb‡KvU ˆZwi‡Z †KvbwU cÖ‡qvRb? K C6H6 L C6H12O6
K PVC L PVA M (CH2O)6 N C12H22O11
M cwjw_b N bvBjb 694. ÷v‡P© KZ fvM A¨vgvB‡bv †cKwUb _v‡K?

684. ‡Kvb ms‡hvRb cwjgviKiY wewµqvi gva¨‡g Drcbœ nq? K 10-10 L 40-50

K †gjvgvBb L e¨v‡KjvBU M 80-90 N 60-80

695. ÷vP© AYy †Kvb eÜb Øviv MwVZ?
M cwjG÷vi N †gjvWzi
K  MøvB‡KvmvBW L -MøvB‡KvmvBW
685. ‡gjvwgb ˆZwi‡Z AYyNUK wnmv‡e e¨eüZ nq-
M †ccUvBW eÜb N -N MøvB‡KvmvBW
K SiO2 L TiO2
696. Avgv‡`i Lv‡`¨i cÖavb Dcv`vb †KvbwU?
M Al2O3 N FeO
686. ‡KvbwU eûj e¨eüZ cøvw÷K? K ÷vP© L G÷vi

K BDwiqv digvjwWnvBW †iwRb M †cÖvwUb N †mjy‡jvR

L cwj G÷vi 697. ‡KvbwU‡K cÖvwYR ÷vP© e‡j?

M †mjvwmb K Møy‡KvR L d«z‡±vR

N †gjvWzi M MøvB‡Kv‡Rb N ivB‡evR

H O
687. ‡KvbwU cwj †n·vwgw_wjb †n·vb¨vgvBW? 698. ‡mjy‡jvR 2 A; GLv‡b A †hŠMwU wb‡Pi
HCl
K bvBjb 6 L bvBjb 6, 6
†KvbwU?
M bvBjb 11 N bvBjb 6, 10
K -D Møy‡KvR L -D Møy‡KvR
688. Av¸b‡ivax Kvco cÖ¯‘wZ‡Z †KvbwU e¨envi Kiv nq?
M A¨vgvB‡bv ‡cKwUb N †W·wUb
K e¨v‡KjvBU L †gjvgvBb
699. `yB AYy g‡bv m¨vKvivBW †Kvb eÜb Øviv hy³ nq?
M †gjvWziN bvBjb 6, 6
O
689. ‡gjvWzi cÖ¯‘Z Kiv nq †KvbwU †_‡K? | | |
K  C OH L  C O  C
K eªv‡KjvBU L †gjvgvBb | |
M bvBjb N †cÖvwUb |
690. wKWwb‡Z cv_i ˆZwii Rb¨ `vqx- M  O  C N CO
|
K †gjvwgb L †iwRb
 |

700. -MøvB‡KvmvBW e܇b KZwU -D Møy‡KvR we`¨gvb? 711. cwjw_b e¨env‡ii Amyweav †KvbwU?
K 300-3000 L 100-1000 K c¨vwKs Gi Kv‡R L cvBc ˆZwi‡Z
M 500-5000 N 200-1000 M Rjve×Zv m„wó‡Z N cwien‡b
701. R¡vjvwb wnmv‡e †KvbwU e¨envi Kiv nq? 712. digvwjb KZfvM cvwb _v‡K?
K Kqjv L cÖvK…wZK M¨vm K 40 L 52
M †c‡Uªvwjqvg N me¸‡jv M 30 N 70
702. ‡flR wPwKrmvi KZ fvM Jla ˆRe †hŠ‡Mi? 713. digvwj‡bi ùzUbv¼ KZ?
K 50 L 70 K 21C L –21C
M 90 N 100 M 20C N 19C
703. cwi‡ek evÜe I Kg `vg wb‡Pi †KvbwU? 714. digvwj‡bi Amyweav †KvbwU?
K LPG L CNG K wewfbœ AiMvb aŸsm K‡i
M ‡K‡ivwmb N †c‡Uªvj L cPb wb‡ivaK
704. cÖvY cÖhyw³ I wRb †_ivcx †KvbwUi Dci wfwË K‡i cÖmvi M RxevYygy³ K‡i
jvf K‡i‡Q? N cÖvYxi bgybv msiÿY
K DNA I RNA L ˆRe imvqb 734. n¨v‡jv‡R‡bv A¨vj‡Kb (R–X) G cÖwZ¯’vcb wewµqvi
M cÖvY imvqb N A¨vgvB‡bv GwmW †KŠkj ev †gKvwbRg n‡jv-
705. AvR‡Ki cvigvYweK hy‡M ˆRe imvqb‡K Kx ejv nq? K wbDwK¬IwdwjK L B‡jK‡UªvwdwjK
K †K›`ªxq imvqb L †K›`ªxq weÁvb M RviY-weRviY N wd«-‡iwW‡Kj
M †K›`ªxq cigvYy N me¸‡jv 735. KvBivj †K›`ªwewkó A¨vj‡Kvnj Øviv-
706. wb‡Pi †KvbwU hvZvqv‡Zi †ÿ‡Î cÖ‡qvRb- K weDUvbj - 2 L 2-wg_vBj-1-weDUvbj
K M¨v‡mvwjb L †cwbwmwjb M weDUvbj-2 N 3-wg_vBj weDUvbj-1
M †µv‡MKzBb N ivevi 736. CH3CHO Ges CH3COOCH3 Gi g‡a¨ cv_©K¨m~PK
707. ¯^v‡¯’¨i Rb¨ ÿwZKi wb‡Pi †KvbwU? cixÿvq e¨eüZ nq-
K M¨vgvw·b L GjwWªb K K2Cr2O7/H+ L 2, 4- DNP
M D.D.T N me¸‡jv M [Ag(NH3)2]+ N PCl3
708. KZmv‡j me©cÖ_g cwjw_b cÖ¯‘Z Kiv nq? 737. AwZwi³ Lv`¨ †_‡K wjfv‡i mwÂZ myMvi n‡jv-

K 1930 L 1830 K Møy‡KvR L d«z‡±vR

M1933 N 1920 M MøvB‡Kv‡Rb N my‡µvR
709. wb¤œ Nb‡Z¡i cwjw_b †Kvb ai‡bi cwjgvi? 738. ‡MøvweDjvi ev eZz©jvKvi †cÖvwUb n‡jv-
K ˆiwLK cwjgvi L kvLv cwjgvi K cÖvBgvwi MVb L †m‡KÛvwi MVb
M jw¤^K cwjgvi N iw¤^K cwjgvi M Uviwmqvwi MVb N mij wkKj
710. cwjw_b e¨env‡ii myweav †KvbwU? 739. cÖ_g †h ‰Re †hŠMwU cixÿvMv‡i ˆZwi nq Zvi bvg Kx?
K 100% wimvB‡Kj‡hvM¨ L AcPbkxj K wg‡_b L B_vbj
M RjR Rxeb‡K wecbœ K‡i M BDwiqv N †ebwRb
N Rjve×Zvi m„wó K‡i
 |

740. m¤ú„³ ˆRe †hŠ‡M Kve©‡bi †h msKi AiweUvj _v‡K Zv K –OH Ges – CHO
n‡jv- L – COOH Ges –OH
K sp L sp
3 2
M – OH Ges  C=O
M sp N ‡KvbwU bq N – CHO Ges – COOH
741. ‡WU‡ji eZ©gvb mwµq ˆRe †hŠMwU †Kvb ‡hŠ‡Mi RvZK? 750. C6H12 AvYweK ms‡KZ wewkó GKwU A¨vjwKb‡K
K †ebwRb L †dbj I‡RvbxKiY Kivi ci wRsK Gi Dcw¯’wZ‡Z Av`ª© we‡kølY
M UjyBb N †K¬v‡iv‡ebwRb Ki‡j wb‡Pi †Kvb †hŠM Drcbœ nq?
742. wb‡Pi †Kvb Kvh©Kix g~j‡Ki †hŠM wgwó M‡Üi Rb¨ L¨vZ? K CH3CH2OH L CH3CH2COCH3
H M CH3COCH3 N CH3CH2CHO
|
K –OH L  C  O 751. K¨vwbRv‡iv wewµqvq g~j kZ© n‡jv Kve©wbj †hŠ‡Mi AYy‡Z
O O -nvB‡Wªv‡Rb Abycw¯’wZ| †m †cªwÿ‡Z K¨vwbhv‡iv wewµqv
|| || †`q wb‡¤œi †Kvb †hŠMwU?
M  C  OH N  C  OR
K H–CHO L CH3–CHO
743. Am¤ú„³ A¨vjwWnvBW‡K Am¤ú„³ A¨vj‡Kvn‡j iƒcvšÍi
Kivi mgq mvaviYZ wb‡¤œi †Kvb weRviK e¨envi Kiv nq? M CH3 – CH2 – CHO N CHO
K Sn/HCl L LiAlH4 752. wb‡¤œi †Kvb †hŠ‡M Kve©‡bi sp2 msKiY N‡U?
M NaBH4 N Na/C2H5OH K H2C=CH2 L CH3 – CH3
744. 2, 4 bvB‡UªvwdbvBj nvBWªvwRb Øviv †h Kvh©Kix g~jK kbv³
Kiv hvq Zv n‡jv- M N CH3 – C  CH
K – OH L – CHO 753. B‡jKUª‡bi wW‡jv‡KvjvB‡Rkb †`Lv hvq †KvbwU‡Z?
M – CHO I  C =O N – COOH K H2C = CH2
745. ‡h weKviK Øviv ˆRe †hŠ‡Mi Kve©b-Kve©b wØe܇bi Dcw¯’wZ L H2C=CH–CH=CH2
kbv³ Kiv hvq Zv n‡jv-
K Br2/CCl4 L LiAlH4 M
M Na/C2H5OH N NaBH4
N
746. cÖvBgvix A¨vj‡Kvn‡ji g„`y Rvi‡Y Kx cvIqv hvq?
754. C4H8 ms‡KZwewkó †hŠM n‡Z cv‡i?
K wK‡Uvb L A¨vjwWnvBW
K GKwU A¨vjwKb
M G÷vi N B_vi
L GKwU A¨vj‡Kb
747. wb‡Pi †KvbwU †gUv wb‡`©kK?
M GKwU mvB‡K¬vA¨vj‡Kb
K – CN L – NHCOCH3
N GKwU mvB‡K¬vA¨vjwKb
M – NHR N – OCH3
755. CH3–CH(OH) – CH2 – CHO †hŠMwU †Kvb ai‡bi
748. ‡eqv‡ii cixÿv Øviv Kx Kiv nq?
mgvYyZv †`Lvq?
K A¨vjwWnvBW I wK‡Uv‡bi cv_©K¨ wbY©q
K R¨vwgwZK mgvYyZv L Av‡jvK mgvYyZv
L A¨vwj‡dwUK nvB‡WªvKve©‡bi Am¤ú„³Zv wbY©q
M MvVwbK mgvYyZv N †÷wiI mgvYyZv
M A¨vj‡Kvn‡ji †kÖwY kbv³KiY 756. wb‡¤œi †hŠM¸‡jvi g‡a¨ †Kvb †KvbwU ci¯ú‡ii mg‡MvÎK?
N Kve©w·wjK MÖæ‡ci wbwðZKiY K (CH3)3C – H
749. ‡Kvb `ywU MÖæ‡ci wgj‡b G÷vi ‰Zwi nq?
 |

L CH3 – (CH2)2 – CH2 – Cl L Dw™¢` †_‡K cÖ‡qvRbxq ˆZj msMÖn

M A (Mjbv¼ 35 †m.) Ges B (Mjbv¼ 48 †m.) Gi
M wgkÖY
N †jgb MÖvm †_‡K mvBUªvj myMwÜ AvniY
N 763. nv‡Kj ZË¡ Abym„Z nq bv †Kvb †hŠ‡M?
757. `ywU GbvbwmIgvi mgvewZ©Z Av‡jvi Zj‡K AveZ©b K‡i-
K GKB gvÎvq wecixZ w`‡K K L
L wfbœ wfbœ gvÎvq GKB w`‡K OH
M wfbœ gvÎvq wecixZ w`‡K M N
N GKB gvÎvq GKB w`‡K
764. Kvwe©j A¨vwgb MVb K‡i †Kvb †hŠ‡M?
758. wb¤œmg~‡ni g‡a¨ Kx wel‡q cv_©K¨ †`Lv hvq?
K A¨vwbwjb L †dbj
CH3 CH3 CH3 H
M cÖvBgvwi A¨vwgb N †m‡KÛvwi A¨vwgb
CC CC
H H H CH3 765. ‡KvbwU 1 A¨vwgb bq?
K CH3 – CH2 – NH2
K MvVwbK ms‡KZ L AvYweK ms‡KZ
CH3
M wÎgvwÎK web¨v‡m N ivmvqwbK a‡g© |
759. wMømvwib Gi ùzUbv¼ 296C, Aweï× wMømvwib‡K L CH 3  CH  NH 2
we‡kva‡bi D‡Ï‡k¨ AvswkK cvZb Ki‡Z †M‡j Zvi
M CH3  NH
ùzUbv‡¼ †cŠuQv‡bvi A‡bK Av‡MB Zv Zv‡c we‡qvwRZ n‡q
hvq| Zvn‡j Kxfv‡e wMømvwib we‡kvab Kiv hvq? CH3 CH3
K w÷g cvZb L wb¤œPvc cvZb N CC
CH3 NH 2
M `ªveK wb®‹vkb N †µvgv‡UvMÖvwd
760. A (`ªve¨Zv 25), B (`ªve¨Zv 62) Ges C (`ªve¨Zv 12) 766. wb‡¤œi †KvbwU g‡bvnvBwWªK A¨vj‡Kvnj?
wewkó 3wU KwVb c`v‡_©i wgkÖY †_‡K Dcv`vb¸‡jv‡K CH3
Kxfv‡e c„_K Kiv hvq? K CH3 – CH2 – OH L CH3 C  OH
K `ªveK wb®‹vkb L †Kjvmb CH3
M AvswkK †Kjvmb N AvswkK cvZb OH
761. Awa‡kvl‡Yi gvÎv Ges mPj `ªve¨Zv nv‡ii wfbœZv _vK‡j M H 2 C  CH 2  CH 3 N
†Kvb wgkÖ‡Yi Dcv`vb¸‡jv‡K †Kvb c×wZ‡Z ci¯úi †_‡K | |
c„_K Kiv hvq? OH OH
K `ªveK wb®‹vkb L †µvgv‡UvMÖvwd 767. wb‡¤œi †Kvb †hŠM RvwiZ n‡j wK‡Uvb Drcbœ nq?
M AvswkK †Kjvmb N AvswkK cvZb K 1 A¨vj‡Kvnj L 2 A¨vj‡Kvnj
762. ev®ú cvZ‡bi mvnv‡h¨ Dcv`vb msMÖn Kiv nq wb‡¤œi †Kvb M 3 A¨vj‡Kvnj N †Kv‡bvwUB bq
Drm (wgkÖY) †_‡K? 768. K¨vwbhv‡iv wewµqvi g~j kZ© n‡jv Kve©wbj †hŠ‡Mi AYyi -
K wg_vbj (ùzUbv¼ 64 †m.) I B_vb‡ji (ùzUbv¼ Kve©b cigvYy‡Z nvB‡Wªv‡R‡bi Abycw¯’wZ| myZivs
78.3 †m.) wgkÖY K¨vwbhv‡iv wewµqv †`q †Kvb †hŠ‡M?
 |

K H – CHO L CH3 – CHO K CH3–CH2–CO–CH(CH3)–CH2–OH

M Ca3C – CHO N CH3 – CO – CH3 L CH3 – CH(CH3) – CO – CH2 – CH2OH
769. wb‡¤œi †KvbwU wK‡Uvb bq? M CH3 – C(CH3)2 – COCH2CH3
O O N (CH3)2CHCH2COH2OH
|| ||
K Cl3C  C  CH 3 L CH3  C  Cl 777. cÖ`Ë †hŠM X (C4H10O) RvwiZ n‡q Aci GKwU †hŠM
Y(C4H8O) Drcbœ K‡i| Y †hŠMwU 2, 4 DNP Ges
O
|| (I2/NaOH) Dfq weKvi‡Ki mv‡_ wewµqvq njy` e‡Y©i
M O N CH3  C  OCH3 Aat‡ÿc m„wó K‡i| A †hŠM †KvbwU?
O K CH3 – CH2CH2CH2OH
|| 
770. 992. CH 3  C  NH 2  Br2  KOH  L CH3 – CH(CH3) – CH2OH
M CH3CH(OH)CH2CH3
CH3 –NH2 wewµqvwUi bvg Kx?
N CH3CH2 – O – CH2CH3
K ndg¨vb wW‡MÖ‡Wkb L †iv‡RbgvÛ wewµqv
778. HCC – CH2 – CH=CH2 †hŠMwUi IUPAC bvg Kx?
M wWKve©w·‡jkb N DU©R wdwUM wewµqv
K †c›U-1-Bb-4-AvBb L ‡c›U-1-AvBb-4-Bb
771. BDwiqvi MVb H2N – CO – NH2| GwU Kx?
M 1-‡c›UvBb-4-AvBb N 1-†cw›Ub-1-AvBb
K GKwU G÷vi L GKwU AvqwbK
779. wb‡Pi †KvbwU †ebwRb ej‡qi mwµqZv n«vm K‡i?
M GKwU A¨vbnvBWªvBW N Kve©wbj †hŠM
K – OH L – NH3
772. ‰Re Gwm‡Wi Kvh©Kix g~jK †KvbwU?
M – CHO N – CH3
K –OH L – COOR
780. 1, 2 Ges 3 A¨vwg‡bi g‡a¨ cv_©K¨ wbiƒcbKvix weKviK
M – CONH2 N – COOH
†KvbwU?
773. (CH3)3C – OH †hŠMwUi IUPAC bvg n‡”Q-
K NaNO2 Ges Mvp HCl
K 2, 2 WvBwg_vBj B_vbj
L NaNO3 Ges Mvp HCl
L 2-wg_vBj †cÖvcvbj -2
M NaNO3 Ges jNy HCl
M weDUvbj -1
N NaNO2 Ges jNy HCl
N weDUvbj-2

Al O 781. CH3  CH 2  Cl  KOH(alc )  A (cÖavb
774. CH 3CH 2 CH 2 CH 2 OH 23  A  H 2O
 Drcv`) + mn Drcv` A Gi ms‡KZ †KvbwU?
Drcbœ A †hŠMwU n‡e- K H2C = CH2 L CH3 – CH2 – OH
K weDwUb-1 L weDwUb-2 M (CH3–CH2)2O N CH3 – CH3
M weDUvBb-1 N weDUvb¨vj NH 2
H SO
775. CH3–CO–O–CO–CH3 †hŠMwUi IUPAC bvg Kx? 782.  HNO 3 ( Mvp) 24  X  H 2O

K B_v‡bvwqK A¨vbnvBWªvBW
DÏxc‡Ki X Gi KZ b¤^i Kve©‡b – NO2 hy³ Av‡Q?
L A¨vwmwUK A¨vbnvBWªvBW
K2 L3
M A¨vwmUvBj B_v‡bv‡qU
M4 N6
N WvB A¨vwmUvBj B_vi
776. 1-nvBWªw·-4-3-‡c›Uv‡bvb Gi MvVwbK ms‡KZ †KvbwU?
 |

‡&µvwgK GwmW 792. AMÖMY¨ g~jK †KvbwU?

783. CH3  CH(OH)CH3  A +
K – CH3L – CHO
H2O; A Gi bvg Kx?
M – COOH N CO
K †cÖvcvb¨vj L †cÖvcv‡bvb
Cl2
M †cÖv‡cb N †cÖvcvbwqK GwmW 793. UjyBb (dyUšÍ)   X  HCl ; X G KqwU †K¬vwib
cigvYy hy³ Av‡Q?
[O] [O]
784. CH3  CH2OH  CH3  CHO 
K1 L2
( X) ( Y)
M3 N6
CH 3  COOH
X, Y, Z Gi ùzUbv‡¼i †Kvb µg Al O , 500C
( Z) 794. C6 H14 2 3   A  H 2
40 atm
mwVK?
200C ZvcgvÎvq Ni P~‡Y©i Dcw¯’wZ‡Z A †Z Kq AYy H2
KXYZ LXZY
hy³ n‡Z cv‡i?
MYZX NZXY
K1 L2
785. ‡ebwRb‡K I‡RvbxKiY Ki‡j wb‡Pi †Kvb †hŠMwU cvIqv
M3 N4
hvq?
CH3
K A·vwjK GwmW L MøvBAw·g |
M MøvBA·vj N MøvBwmb 795. CH3  CH  CH  CH3 ‡hŠMwUi IUPAC bvg
|
Ni
786. HC  CH 
 A; A ‡Z Kve©b Kve©b eÜb ˆ`N©¨ N CH2
70C |
KZ? CH3
Kx?
K 0.154 nm L .139 nm
M 0.134 nm N 0.121 nm K 2-(N, N WvB wg_vBj A¨vwg‡bv)-3 wg_vBj weD‡Ub
787. C2H6O Øviv mev©waK KqwU mgvYy †jLv m¤¢e? L 3-(N, N-WvB wg_vBj A¨vwg‡bv)-2 wg_vBj weD‡Ub
K2 L3 M 1-(N,N WvB wg_vBj A¨vwg‡bv)-2, 3 wg_vBj weD‡Ub
M4 N5 N 2- (N, N WvB wg_vBj A¨vwg‡bv)-3 wg_vBj weD‡Ub
788. ‡WU‡ji †ebwRb P‡µ Cl cigvYyi KZ b¤^i Kve©‡b i‡q‡Q? 
796. ¸iæi Pwe© + NaOH (aq)  C17H35–COONa
K2 L3 +A
M4 N6 A + P2O5  B + Drcv`
789. ‡KvbwU Cu(NH3)2Cl Gi mv‡_ wewµqv Ki‡e?
DÏxc‡Ki B Gi IUPAC bvg Kx?
K weDwUb-2 L weDwUb-1
K wMømvwibL †cÖvcvb¨vj
M weDUvBb-1 N weDUvBb -2
M †cÖvwcb-1 N †cÖvwcb-1-A¨vj
790. CH3COOH kbv³Ki‡Y wb‡Pi †KvbwU e¨eüZ nq?
797. bvBUªvB‡ji Kvh©Kix g~j‡Ki ms‡KZ †KvbwU?
K Na2CO3 L NaHCO3 K – CN L – OH
M As2O3 N MnO2 M – CNS N – NO2
791. PVC Drcv`‡b †KvbwU KvuPvgvj wn‡m‡e e¨eüZ nq? 798. COOH–COOH IUPAC c×wZ‡Z bvg Kx?
K B‡_bL Bw_b K A·vwjK GwmW L B_vb WvBAwqK GwmW
M B_vBb N †ebwRb M B_vbwqK GwmW N WvBKve©w·wjK GwmW
 |

অধ্যায় ০৩: পরেমাণগত েসায়ি

CH 3
|
799. CH 3  C  CH  CH 2 Gi †hŠ‡Mi bvgKiY
| 1. M¨v‡mi †gvjvi AvqZb ej‡Z Kx †evSvq?
CH 3 K GK †gvj KwVb c`v‡_©i AvqZb
IUPAC Kx? L GK †gvj Zij c`v‡_©i AvqZb
K 3, 3, 3- Trimethyl-1-Propen M GK †gvj M¨vmxq c`v‡_©i AvqZb
L 1, 1, 1 – Trimethyl – 2 – Propen N GK †gvj KwVb I †gvj Zij c`v‡_©i Avqb
M 3, 3 – Dimethyl. but – 1 – ene 2. ‡gvjvi AvqZ‡bi †ÿ‡Î we‡kl f~wgKv iv‡L-
N 2, 2 – Dimethyl. but – 1 – ene K e‡q‡ji m~Î L Pvj©‡mi m~Î
800. Butadiene enb K‡i-
M A¨v‡fv‡M‡Wªvi m~Î N e¨vcb m~Î
K Kve©b cigvYyi sp msKiY
3. GKB ZvcgvÎv I Pv‡c mKj M¨v‡mi †gvjvi AvqZb KZ?
L Kve©b cigvYyi sp2 msKiY
K 2.24 wjUvi L 22.4 wjUvi
M Kve©b cigvYyi sp I sp2 Dfq msKiY M 24.2 wjUvi N 224 wjUvi
N Kve©b cigvYyi sp msKiY
3
4. SATP ‡Z 25C ZvcgvÎv I 1atm Pv‡c M¨v‡mi †gvjvi
AvqZb KZ?
K 2.24 wjUvi L 22.4 wjUvi
M 24.789 wg. wjUvi N 24.789 wjUvi
5. STP ‡Z 22.4L M¨v‡m AYy _v‡K-
K 6.023  1023 wU L 3.012  1023 wU
M 6.023  10-23 wU N 3.012  10-23 wU
6. STP ‡Z GK †gvj M¨v‡mi AvqZb KZ?
K 22.4 wjUvi L 24.789 wjUvi
M 22.2 wjUvi N 224 wjUvi
7. STP- ‡Z †Kvb M¨v‡mi 6.023  1023 wU AYyi AvqZb
KZ?
K 22400 wjUvi L 24789 wjUvi
M 22.4 wjUvi N 24.789 wjUvi
8. c`v‡_©i GKwU AYyi fi = ?
MÖvg cvigvYweK fi MÖvg AvYweK fi
K L
6.023  10 23
6.023  1023
MÖvg cvigvYweK fi MÖvg AvYweK fi
M N
22.4 22.4
9. ‡gŠ‡ji GKwU cigvYyi fi KZ?
‡gŠ‡ji MÖvg AvYweK fi
K
6.023  1023
 |

‡gŠ‡ji MÖvg AvYweK fi N 6.023  1024 wU eÜb

L
22.4 19. ‡Kv‡bv e¯‘i GK †gv‡j hZ msL¨K AYy _v‡K, †mB msL¨v‡K
wK e‡j?
‡gŠ‡ji MÖvg cvigvYweK fi
M K A¨v‡fv‡M‡Wªv msL¨v L †gvjvi M¨vm aªæeK
6.023  1023
‡gŠ‡ji MÖvg cvigvYweK fi M †evëg¨vb aªæeK N jkwgU msL¨v
N 20. CO2 Gi GKwU AYyi mg GKK KZ?
22.4
10. GKwU HCl AYyi fi KZ? K 7.3065  10-23 L 7.3065  10-26
K 6.06  10-23 kg L 6.06  10-23 g M 7.3065  10-22 N 7.3065  10-20
M 6.06  10-22 g N 6.023  1023 g 21. ‡gvj msL¨v, AYyi msL¨v I A¨v‡fvMv‡Wªvi msL¨vi g‡a¨
11. GKwU cvwbi AYyi fi KZ? m¤úK© Kx?

K 2.98  10-23 g L 2.98  10-23 kg K AYyi msL¨v = A¨v‡fv‡M‡Wªv msL¨v  ‡gvj msL¨v

M 6.023  10-23 g N 6.023  10-23 kg L AYyi msL¨v = A¨v‡fv‡M‡Wªv msL¨v  †gvj msL¨v
12. cÖgvY Ae¯’vq 1.7 g NH3 M¨v‡mi AvqZb KZ? M A¨v‡fv‡M‡Wªv msL¨v = †gvj msL¨v  AYyi msL¨v
K 22.4 dm3 L 2.24 dm3 N A¨v‡fv‡M‡Wªv msL¨v = †gvj msL¨v  AYyi msL¨v
M 0.224 dm3 N 0.0224 dm3 22. cÖgvY Ae¯’vq 2.0dm3 wg‡_b M¨v‡m AYyi msL¨v KZ?
13. 1 ‡gvj cvwb‡Z KZ¸‡jv nvB‡Wªv‡Rb cigvYy _v‡K? K 5.38  1022 wU L 5.38  1023 wU
K 6.023  1022 wU L 6.023  1023 wU M 6.023  1023 wU N 5.38  10-22 wU
M 12.04  1023 wU N 36 wU 23. 500wU ¯^vÿi w`‡Z MÖvdvBU †cw݇ji 55.6mg ÿq nq|
14. GK †gvj Na2CO3 n‡jv- cÖwZwU ¯^vÿ‡i KZwU Kve©b cigvYy _v‡K?
K 98 g L 106 K 5.581  1018 wU L 5.58  1021 wU
M 106 g N 98 M 6.53  1018 wU N 6.53  1021 wU
15. STP ‡Z 6.023  1023 wU CO2 M¨v‡mi AYyi fi KZ? 24. mvjdv‡ii AvYweK ms‡KZ S8| 500g mvjdv‡ii †gvj
K 44 g L 33 g msL¨v KZ?

M 22 g N 11 g K 2 †gvj L 2.5 †gvj

16. 2.016 H2 G cigvYyi msL¨v- M 1.95 †gvj N 2.95 †gvj
K 6.023  1023 L 12.04  1024 25. 19.6g H2SO4 G KqwU S cigvYy Av‡Q?
M 3.011  1023 N 2  6.023  1023 K 12.046  1022 L 6.023  1022
17. Kve©‡bi cvigvYweK fi 12| Zvn‡j 2 †gvj Kve©b ej‡Z M 12.046  1023 N 6.023  1023
†evSvq- 26. KZ †gvj C2H4O2 ‡Z 6.023  1023 wU nvB‡Wªv‡Rb
K 12 g Kve©b L 24 g Kve©b cigvYy _v‡K
M 6 g Kve©b N 144 g Kve©b K 0.5 ‡gvj L 1.0 ‡gvj
18. 1 ‡gvj eÜb ej‡Z †evSvq? M 0.25 ‡gvj N 1.25 ‡gvj
K 1.66  1019 wU eÜb 27. ‡Kv‡bv †gŠj ev †hŠ‡Mi AvYweK fi‡K MÖv‡g cÖKvk Ki‡j
†h cwigvY cvIqv ‡gŠ‡ji ev †hŠ‡Mi H cwigvY‡K wK ejv
L 6.023  1023 wU eÜb
nq?
M 6.023  10-23 wU eÜb
K †gvj L †gvjvi AvqZb
 |

M A¨v‡fv‡M‡Wªvi msL¨v N AYy 38. STP ‡Z 1.0  105 dm3 wg‡_b M¨vm †÷v‡iR U¨vs‡K
28. GK †gvj CO2 = ? Av‡Q| G‡Z KZ †gvj wg‡_b Av‡Q?
K 32g L 44g K 5  103 †gvj L 4.46 ‡gvj
M 32 N 44 M 5 ‡gvj N 4.461  103 †gvj
29. 14g bvB‡Uªv‡Rb M¨v‡m KZ †gvj? 39. STP ‡Z 1500 dm3 N2 M¨vm n‡Z NH3 cÖ¯‘Z Ki‡Z
K 1 †gvj L 2 †gvj KZ dm3 H2 M¨vm cÖ‡qvRb n‡e?
1 K 4500 dm3 L 450 dm3
M †gvj N 4 †gvj
2 M 45 dm3 N 4.5 dm3
30. ‡K¬vwib M¨v‡mi GK †gvj- 40. KwVb Kve©b I Aw·‡Rb M¨v‡mi ivmvqwbK wewµqvq M¨vmxq
K 35.5 g L 71 g Kve©b WvBA·vBW Drcbœ nq| G‡ÿ‡Î ivmvqwbK mgxKiY
†KvbwU?
M 71 N 35.5
31. ‡gŠ‡ji cvigvYweK fi‡K MÖv‡g cÖKvk Ki‡j †h cwigvY K C + O2  CO2(g)
cvIqv hvq Zv‡K Kx ejv nq? L C(s) + O2(g)  CO2(g)
K MÖvg cvigvYweK fi L MÖvg AvYweK fi M C(s) O2  CO(g)
M cvigvYweK fi N AvYweK fi N C + O2  CO2

32. GK †gvj cigvYy Aw·‡Rb = ? 41. CaCO3 
 CaO  CO2 (g); wewµqvq Drcbœ
K 32 L 16 CO2 Gi AvqZb STP ‡Z KZ?
M 32g N 16g K 44.8L L 22.4L
33. GK †gvj cvigvYweK fi Kve©b = ? M 44.8 N 22.4

K 12 g L6g 42. 2NH4Cl(6) + CaO(s)   CaCl2(s) + H2O +
M 12 N 16 2NH3(g); STP ‡Z Drcbœ NH3 M¨v‡mi AvqZb KZ?
34. 12 g Kve©‡b KZwU Kve©b cigvYy _v‡K? K 44.8dm3 L 22.4dm3
K 6.023  1022 L 6.023  1023 M 44.8 N 22.4
M 12.04  1023 N 3.012  1023 43. 90% weï× 210g bgybvq weï× Pzbvcv_‡ii cwigvY KZ?
35. 32g SO2 G KZwU Aw·‡Rb cigvYy _v‡K? K 200 g L 199 g
K 6.0231023 L 12.0461023 M 189 g N 190 g
M 3.0121023 N 6.0231023 44. CaCO3 + 2HCl  CaCl2 + H2O + CO2; STP-
36. 20 g f‡ii GKwU M¨vm STP-‡Z 6.309 dm3 AvqZb ‡Z Drcbœ CO2 M¨v‡mi AvqZb KZ?
`Lj K‡i| M¨vmwUi bvg wK? K 22.8 dm3 L 22.4 dm3
K O2 L N2 M 24.789 dm3 N 44.8 dm3
M NH3 N Cl2 45. 2 ZnO + C  2 Zn + CO2; wewµqv Abyhvqx 20g
37. 1 ‡duvUv cvwbi AvqZb 1 mL n‡j Ges 1 ‡duvUv cvwb‡K ZnO n‡Z cÖgvY Ae¯’vq KZ AvqZb CO2 cvIqv hv‡e?
Rjxq ev‡®ú cwiYZ Ki‡j STP ‡Z ev‡®úi AvqZb KZ? K 2.7518 dm3 L 22.4 dm3
K 1.30 dm3 L 1.244 dm3 M 3.4532 dm3 N 1.7518 dm3
M 2.244 dm3 N 2.30 dm3 46. 120g cUvwmqvg †K¬v‡iU (KClO3) ‡K 750C
ZvcgvÎvq DËß K‡i KZ AvqZb Aw·‡Rb cvIqv hv‡e?
 |

K 30.8874 dm3 L 32.8874 dm3 M 22 g N 5.5 g

M 22.40 dm3 N 31.8874 dm3 56. †jvwnZ Zß Avqib cvB‡ci ga w`‡q Kx cwigvY w÷g Pvjbv
47. 2Mg + 4HCl  2MgCl2 + 2H2; wewµqvq Drcbœ Ki‡j 20g H2 (g) ‰Zwi n‡e?
H2 M¨v‡mi AvqZb STP ‡Z KZ? K 170 g L 175 g
K 22.4 dm3 L 44.8 dm3 M 180 g N 280 g
M 24.789 dm 3
N 49.578 dm 3 57. AvYweK fi, †gvjvi AvqZb I †gv‡ji g‡a¨ m¤úK© wb‡`k©
48. N2 + 3H2  2NH3 : SATP-‡Z Drcbœ NH3 M¨v‡mi K‡i †KvbwU?
AvqZb KZ? K AvYweK fi = GK MÖvg AYy = GK †gvj = STP
K 49.578 dm3 L 44.8 dm3 †Z 22.4 dm3
M 24.789 dm3 N 47.578 dm3 L AvYweK fi = GK †gvj = GK MÖvg AYy
49. 45.0 g NaN3 we‡qvR‡b 30C I 1.15 atm Pv‡c KZ M AvYweK fi = STP †Z 22.4 dm3
AvqZb N2 M¨vm Drcbœ n‡e? N GK †gvj = STP †Z 22.4 dm3
K 20.5L L 21.5L 58. 160 g H2O2-Gi we‡qvR‡b wK cwigvY Aw·‡Rb Drcbœ
M 22.5L N 32.5L nq
50. SATP ‡Z †gvjvi AvqZb- K 74.294 g L 75.294 g
K 22.4L mol-1 L 24.04L mol-1 M 13.6 g N 140. 32 g
M 24.789L mol -1
N 22.04L mol -1 59. 500 CaC2- Gi mv‡_ cvwbi wewµqvq KZ AvqZb
51. H2(g) + Cl2(g)  2HCl(g); wewµqvq Drcv` M¨v‡mi A¨vwmwUwjb (C2H2) Drcbœ n‡e?
†gvjvi AvqZb STP ‡Z KZ? K 15.75 dm3 L 17.79 dm3
K 2  24.789 L ev dm3 M 274.9 dm3 N 174.94 dm3
L 2  22.4 L ev dm3 60. 300 kg weï× mvjdvi †_‡K Kx cwigvY SO2 Drcbœ n‡e?

M 24  24.789 L ev dm3 K 6.31  104 g L 6.0  105 g

N 22  4 L ev dm3 M 9.31  105 g N 6.0  104 g

61. wjwgwUs wewµqK wewµqv †k‡l-
52. wewµq‡Ki †fŠZ Ae¯’v Kq cÖK…wZi n‡Z cv‡i?
K AwZwi³ _v‡K L _v‡K bv
K Pvi L wZb
M AcwiewZ©Z _v‡K N mxwgZ cwigv‡Y _v‡K
M `yB N cuvP
53. Drcv‡`i †fŠZ Ae¯’v Kq cÖK…wZi n‡Z cv‡i? 62. CH4 + 202  CO2 + 2H2O; wewµqv Abymv‡i hw` 2
‡gvj CH4 Gi mv‡_ 2 ‡gvj O2 wewµqv Kiv‡bv nq Z‡e
K wZb L Pvi
wjwgwUs wewµqK †KvbwU n‡e?
M cuvP N `yB
K CH4 L O2
54. GKB ZvcgvÎv I P‡c mKj M¨v‡mi †gvjvi AvqZb mgvb
M CO2 N H2O
Ges cÖgvY ZvcgvÎv I Pv‡c Zv 22.4 dm3| GwU-
63. CaCO3 + 2HCl  CaCl2 + H2O + CO2 wewµqv
K e‡q‡ji m~Î L Pvj©‡mi m~Î
Abymv‡i 100g Aewkó _vK‡e- CaCO3Gi mv‡_ 36.5g
M A¨v‡fv‡M‡Wªvi m~Î N Wvë‡bi m~Î HCl wewµqv Ki‡j wewµqv †k‡l Aewkó _vK‡e-
55. 25g weï× Pzbvcv_i bgybv‡K AwZwi³ HCl G `ªexf~Z K‡i K CaCO3 L HCl
KZ f‡ii CO2 cvIqv hv‡e? M CaCl2 N CO2
K 11 g L 44 g
 |

64. 90% weï× Pzbvcv_‡ii 200g ‡K DËß Ki‡j †h cwigvY 71. `ªe‡Yi NbgvÎv cÖKv‡ki Rb¨ †hme GKK Pvjy Av‡Q Zv‡`i
CO2 cvIqv hvq Zv‡K m¤ú~Y©i~‡c Na2CO3 G cwiYZ g‡a¨ D‡jøL‡hvM¨ †KvbwU?
Ki‡Z wK cwigvY NaOH jvM‡e? K †gvjvwiwU L †gvjvwjwU
K 244 g L 144 g M bigvwjwU N me¸‡jv
M 190.43 g N 290.43 g 72. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Yi cÖwZ wjUvi AvqZ‡b GK
65. 10 g KClO3‡K m¤ú~Y©i~‡c we‡qvwRZ Ki‡j SATP ‡Z †gvj `ªe `ªexf~Z _vK‡j †m `ªeY‡K wK e‡j?
KZ cm3 O2 cvIqv hv‡e? K †gvjvj `ªeY L †gvjvi `ªeY
3 3
K 2742.857 cm L 3035.387 cm M bigvj `ªeY N m¤ú„³ `ªeY
3 3
M 274.28 cm N 303.53 cm 73. GKwU `ªe‡Yi cÖwZ wjUvi 98 g H2SO4 `ªexf~Z _vK‡j †m
66. 4NH3 (g) + 502(g)  4 NO(g) +6H2O wewµqv `ªeYwU‡K wK ejv nq?
Abymv‡i 2 ‡gvj NH3 Gi mv‡_ 2.5 ‡gvj O2 m¤ú~Y©fv‡e K H2SO4 Gi ‡mwg‡gvjvi `ªeY
wewµqv Ki‡j wK cwigvY wewµqK wewµqv †k‡l Aewkó
L H2SO4 Gi †Wwm‡gjvi `ªeY
_vK‡e?
M H2SO4 Gi †gvjvi `ªeY
K 0.5 ‡gvj NH3
N H2SO4 Gi †gvjvj `ªeY
L 1.0 ‡gvj NH3
74. †Kv‡bv `ªe‡Yi cÖwZ wjUv‡i 10.6g Na2CO2 `ªexf~Z
M 0.5 ‡gvj O2
_vK‡j H `ªe‡Yi NbgvÎv n‡e-
N †Kv‡bv wewµqK Aewkó _vK‡e bv
K 1.0 M L 2.0 M
67. wewµqvnxb M¨vm wgkªY Gi cÖ‡Z¨K Dcv`vb GKKfv‡e
M 0.1 M N 0.01 M
wgkª‡Yi mgMÖ AvqZb `Lj K‡i †h Pvc †`q, Zv‡K H
75. †gvjvi `ªeY wbY©q K‡i-
Dcv`vb M¨v‡mi wK e‡j?
K f‡ii Ici L cv‡Îi Ici
K Pvc L ev®úPvc
M ZvcgvÎvi Ici N Pv‡ci Ici
M AvswkK Pvc N AvqZb e‡j
76. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Yi cÖwZ wjUvi AvqZ‡b 0.1
68. cixÿvMv‡i evqygÛ‡ji Pvc wbY©q Kiv nq †KvbwUi mvnv‡h¨?
‡gvj `ªe `ªexf~Z _vK‡j †m `ªeY‡K ejv nq-
K w¯ú‡WvwgUvi L e¨v‡ivwgUvi
K `ªe‡Yi `kgvsk †gvjvi `ªeY
M _v‡g©vwgUvi N †µv‡bvwgUvi
L †Wwm‡gvjvi `ªeY
69. cvwb‡Z A`ªeYxq M¨vm‡K †Kvb cÖwµqvq msMÖn Ki‡Z nq?
M †mwg †gvjvi `ªeY
K evqyi wbgœgyLx AcmviY
N K I L DfqB
L cvwbi wbgœgyLx AcmviY
77. wbw`©ó ZvcgvÎvq cÖwZ wjUvi `ªe‡Y `ªexf~Z `ª‡ei MÖvg-
M cvwbi EaŸ©gyLx AcmviY AvYweK fi ev †gvj msL¨v‡K wK e‡j?
N evqyi EaŸ©gyLx AcmviY K bigvwjwU L †gvjvwiwU
70. ga¨g, mwµq Zn I jNy HCl Gi wewµqvq Drcbœ M¨vm‡K M †gvjvwjwU N †gvj fMœvsk
†Kvb cÖwµqvq msMÖn Kiv nq?
78. †gvjvwiwUi GKK Kx?
K cvwbi wbgœgyLx AcmviY
K L mol L L mol-1
L cvwbi Ea٩gyLx AcmviY
M mol L-1 N mol L-1 K-1
M evqyi wbgœgyLx AcmviY 79. GK wjUvi `ªe‡Y 106g Na2CO3 `ªexf~Z _vK‡j H `ªe‡Yi
N evqyi EaŸ©gyLx AcmviY †gvjvwiwU KZ n‡e?
 |

K 10 mol L-1 L 1 mol L-1 M 0.01 M N 0.001 M

M 0.1 mol L-1 N 1 L mol-1 88. H2SO4 Gi †gvjvi NbgvÎv bigvj NbgvÎvi-
80. †gvjvwiwU, `ªe‡Yi fi I `ªe‡Yi AvqZ‡bi ga¨Kvi mwVK K wظY L Pvi¸Y
m¤úK© †KvbwU? M mgvb N A‡a©K
K wjUv‡i `ªe‡Yi AvqZb = †gvjvwiwU  †gvj GK‡K 89. 2.0L `ªe‡Y 80g NaOH `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv-
`ª‡ei fi
K 2.0 M L 1. 0 M
L †gvj GK‡K `ª‡ei fi = †gvjvwiwU  wjUv‡i
M 0. 5 M N 0.2 M
`ªe‡Yi AvqZb
90. 0.5M NaOH `ªeY ej‡Z †evSvq-
M †gvjvwiwU = †gvj GK‡K `ª‡ei fi  wjUv‡i
K 1 kg `ªe‡Y 40 g NaOH `ªexf~Z Av‡Q
`ªe‡Yi AvqZb
L 1 kg `ªe‡Y 20g NaOH `ªexf~Z Av‡Q
N †gvjvwiwU = †gvj GK‡K `ª‡ei fi  wjUv‡i
`ªe‡Yi AvqZb M 1 L `ªe‡Y 20g NaOH `ªexf~Z Av‡Q

81. †mvwWqvg Kve©‡bi 500 mL ‡Wwm‡gjvi `ªe‡Y KZ MÖvg `ªe N 1 L `ªe‡Y 40g NaOH `ªexf~Z Av‡Q
`ªexf~Z _vK‡e? 91. †gvjvwiwUi †P‡q †gvjvwjwUi myweav †ewk, KviY-
K 10.5 g L 5.3 g K †gvjvwiwUi mvnv‡h¨ cÖK…Z NbgvÎv Rvbv hvq bv
M 0.53 g N 1.06 g L †gvjvwiwU ZvcgvÎv wbf©ikxj bq
82. 30mL 0.25M HCl `ªe‡Y HCl Gi †gvj msL¨v KZ? M †gvjvwiwUi mvnv‡h¨ Lye Kg NbgvÎv wbY©q Kiv hvq
K 0.75 mole L 0.075 mole N †gvjvwiwU ZvcgvÎv wbf©i wKš‘ †gvjvwiwU ZvcgvÎvi
M 0.0075 mole N 0.00075 mole Ici wbf©ikxj bq
83. †Kv‡bv `ªe‡Yi †gvjvwiwU wnmve Kivi we‡eP¨ welq n‡jv- 92. 9.8 g H2SO4 100 mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi
K `ªe‡Yi †gvU AvqZb L `ªve‡Ki cwigvY NbgvÎv KZ n‡e?
M `ª‡ei cwigvY N K I M Dfq K 0.01 M L 0.1 M
84. 250 mL AvqZ‡bi d¬v‡¯‹ 1.5 ‡gvj `ªe wb‡q 250 mL M 0.05 M N 0.5 M
`ªeY ˆZwi Ki‡j H `ªe‡Yi NbgvÎv KZ n‡e? 93. GKwU wbw`©ó ZvcgvÎv V wjUvi `ªe‡Y n ‡gvj `ªe `ªexf~Z
K 2M L 4M _vK‡j G `ªe‡Yi †gvjvi NbgvÎv-

M 6M N 8M n V
K mol L-1 L mol L-1
v N
85. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Y wbw`©ó AvqZ‡b `ª‡ei cwigvY
Rvbv _vK‡j †m `ªeY‡K Kx e‡j? n
M V  n mol L-1 N L mol-1
v
K m¤ú„³ `ªeY L wgkª `ªeY
94. †gvjvi `ªe‡Yi NbgvÎv KZ?
M †gvjvi `ªeY N cÖgvY `ªeY
K1M L2M
86. 250 ML 0.1M Na2CO3 `ªeY ˆZwi Ki‡Z KZ MÖvg
Na2CO3 cÖ‡qvRb? M 0.1 M N 0.5 M
95. †Wwm‡gvjvi `ªe‡Yi NbgvÎv n‡jv-
K 2.56 g L 2.65 g
K 0.1 M L 0.01 M
M 2.46 g N 26.5 g
87. 250 mL cvwb‡Z 1.0 gm NaOH wgwk‡q `ªeY ˆZwi M 0.5 M N1M
Ki‡j D³ `ªe‡Yi NbgvÎv KZ n‡e? 96. †mw›U †gvjvi `ªe‡Yi NbgvÎv n‡jv-
K 1M L 0.1 M K 0.1 M L 0.001 M
 |

M 0.01 M N1M M 0.2 g N 1.4 g

97. ‡gvjvwiwU ej‡Z †evSvq- 105. †Kv‡bv ‡ivMx‡K 25.0g Møy‡KvR †hvMvb w`‡Z 0.2 M
Møy‡Kv‡Ri KZ wgwj `ªeY cÖ‡qvRb n‡e?
`ª‡ei †gvj msL¨v
K K 277.7 mL L 694.4 mL
wgwjwjUv‡i `ªe‡Yi AvqZb
M 794.4 mL N 69.44 mL
`ª‡ei †gvj msL¨v
L 106. 1.25M NaOH Gi 500mL `ªeY KZ MÖvg NaOH
wjUv‡i `ªe‡Yi AvqZb aviY K‡i?
`ª‡ei †gvj msL¨v K 2.5g L 25.0 g
M
‡KwR‡Z `ªe‡Yi AvqZb M 50.0 g N 40.0 g
N `ª‡ei †gvj msL¨v  wjUv‡i `ªe‡Yi AvqZb 107. 1.50L 0.25M Møy‡KvR (C6H12O6) `ªe‡Y KZ MÖvg
Møy‡KvR _v‡K?
98. GK wjUvi `ªe‡Y Aa©‡gvj `ªe _vK‡j H `ªeY‡K ejv nqÑ
K 66.0 g L 67.6 g
K †gvjvi `ªeY L †mwg‡gvjvi `ªeY
M 57.6 g N 69.6 g
M †mw›U‡gvjvi `ªeY N †mwg‡gvjvi `ªeY
108. AvqZwbK we‡køl‡Y `ªe‡Yi NbgvÎv cÖKv‡ki †Kvb c×wZ
99. 250mL ‡mwg‡gvjvi Na2CO3 `ªeY cÖ¯‘Z Ki‡Z KZ MÖvg AwaK cÖPwjZ?
Na2CO3 jvM‡e?
K bigvwjwU L †gvjvwjwU
K 13.25g L 26.50g
M †gvjvwiwU N kZKiv cwigvY
M 2.65g N 1.325g
109. j¨ve‡iUwi‡Z †Kvb ai‡bi `ªe‡Yi e¨envi †ewk?
100. 2.355g H2SO4 50mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi
NbgvÎv KZ n‡e? K †gvjvj `ªeY L †gvjvi `ªeY

K 0.480M L 4.80M M bigvj `ªeY NKIL

M 0.048 M N 2.08 M 110. GK †gvj Na2CO3 = ?

101. evwYwR¨K nvB‡Wªv‡K¬vwiK Gwm‡Wi 12.0M Rjxq `ªe‡Yi K 10.6 L 106
300mL G KZ †gvj HCl _v‡K? M 53 N 106 g
K 0.36 mole L 3.0 mole 111. cÖwZwU wjUv‡i 106 g Na2CO3 `ªexf~Z _vK‡j `ªe‡Yi
M 3.6 mole N 4.0 mole NbgvÎv KZ?
102. 0.20M 125mL NaHCO3 `ªeY cÖ¯‘Z Ki‡Z KZ MÖvg K 1.0 M L 0.5 M
NaHCO3 jvM‡e? M 2.0 M N 0.1 M
K 2.4g L 2.1g 112. cÖwZ wjUvi `ªe‡Y 53g Na2CO3 `ªexf~Z _vK‡j `ªe‡Yi
NbgvÎv KZ?
M 0.21g N 3.1g
103. 650mL 2.50M H2SO4 `ªeY cÖ¯‘Z Ki‡Z KZ †gvj K 1.0M L 0.1M
H2SO4 cÖ‡qvRb? M 5.0 M N 0.5 M
K 0.25 mole L 16.2 mole 113. 100 mL `ªe‡Y 10.6 g Na2CO3 `ªexf~Z _vK‡j `ªe‡Yi
NbgvÎv KZ?
M 1.62 mole N 2.5 mole
104. ¯^vfvweK i‡³ †Kv‡j‡÷ij (C27H46O) Gi NbgvÎv K 0.5 M L 1.0 M
0.005 M n‡j 250 mL i‡³ KZ MÖvg †Kv‡j‡÷ij M 0. 1 M N 0.01 M
_v‡K? 114. `ªe‡Yi NbgvÎv cÖKv‡ki kZKiv cwigvY‡K Kqfv‡M cÖKvk
K 2.0 g L 0.1g Kiv hvq?
 |

K GK L `yB 123. 100mL `ªe‡Y 10g `ªe `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv
M wZb N Pvi n‡e-
115. (W/W)% ej‡Z wK †evSvq? K 10% (W/W) L 10% (W/V)
K `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKivfv‡e M 10% (V/V) N 10% (W/V)
124. 5% (w/v) `ªeY ej‡Z †evSvq-
L `ª‡ei fi‡K `ªe‡Yi †gvU AvqZ‡bi kZKivi~‡c
K 1000 mL `ªe‡Y 5g `ªe `ªexf~Z
M `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c
L 1000g `ªe‡Y 5g `ªe `ªexf~Z
N `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c
M 100 mL `ªe‡Y 5g `ªe `ªexf~Z
116. 100 g `ªe‡Y 12 g Na2CO3 `ªexf~Z _vK‡j kZKiv
wn‡m‡e `ªe‡Yi NbgvÎv n‡e- N 100 g `ªe‡Y 5g `ªe `ªexf~Z
K 12% (w/v) L 12%(w/w) 125. 25% (W/W) `ªeY ej‡Z †evSvq-
M 12% (v/v) N 12% (v/w) K 1000mL `ªe‡Y 5g `ªe `ªexf~Z
117. 95 g cvwb‡Z 5g `ªe `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv KZ L 1000g `ªe‡Y 5g `ªe `ªexf~Z
n‡e? M 100mL `ªe‡Y 5g `ªe `ªexf~Z
K 95% (w/v) L 5%(w/w) N 100g `ªe‡Y 25g `ªe `ªexf~Z
M 5% (v/v) N 12% (v/w) 126. 5 g Na2CO3 100 mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi
118. 80 g cvwb‡Z 20 g HCl `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv NbgvÎv KZ n‡e?
KZ? K 5% (W/V) L 5%(W/W)
K 80% (w/w) L 20%(w/w) M 95%(W/V) N 95%(W/W)
M 15%(w/w) N 5%(w/w) 127. 150g `ªe II `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv KZ?
119. 1000g `ªe‡Y 100g Na2CO3 `ªexf~Z _vK‡j kZKiv K 15% (W/V) L 5% (W/W)
wn‡m‡e `ªe‡Yi NbgvÎv KZ?
M 95% (W/V) N 95% (W/W)
K 100%(w/w) L 100%(w/v)
128. 30% (W/V) Na2CO3 `ªeY cÖ¯‘wZ‡Z-
M 10%(w/v) N 10% (w/w)
K 100g cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
120. (W/V)% ej‡Z †evSvq-
L 70g cvwb‡Z 30g Na2CO3 `ªexf~Z Ki‡Z n‡e
K `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c
M 1000g cvwb‡Z 30g Na2CO3 `ªexf~Z Ki‡Z n‡e
L `ª‡ei fi‡K `ªe‡Yi †gvU AvqZb‡i kZKivi~‡c
N 30g Na2CO3 †K cvwb †hv‡M 100mL Ki‡Z n‡e
M `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c
129. 25% (W/W) `ªeY cÖ¯‘wZ‡Z-
N `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c
K 100g cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
121. `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c cÖKvk c×wZ
L 25g cvwb‡Z 100g `ªe `ªexf~Z Ki‡Z n‡e
†KvbwU?
M 75g cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
K (w/v)% L (w/w)%
M (v/v) N (v/w)% N 100mL cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e

122. `ª‡ei fi‡K `ªe‡Yi †gvU AvqZ‡bi kZKiviƒ‡c cÖKvk 130. (V/V)% ej‡Z †evSvq-
c×wZ †KvbwU? K `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKiviƒ‡c
K (W/V)% L (W/W)% L `ª‡ei fi‡K `ªe‡Yi †gvU AvqZ‡bi kZKiviƒ‡c
M (V/V)% N (V/W)% M `ª‡ei AvqZb‡K `ªe‡Yi ‡gvU AvqZ‡bi kZKiviƒ‡c
 |

N `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKiviƒ‡c L `ªe‡Yi `k jÿ fv‡M `ª‡ei hZ fi ev AvqZb
131. `ª‡ei AvqZb‡K `ªe‡Yi †gvU AvqZ‡bi kZKiviƒ‡c cÖKvk `ªexf~Z _v‡K
c×wZ †KvbwU? M `ªe‡Yi `k nvRvi fv‡M `ª‡ei hZ fi ev AvqZb
K (W/W)% L (W/V)% `ªexf~Z _v‡K
M (V/W)% N (V/V)% N `ªe‡Yi GK nvRvi fv‡M `ª‡ei hZ fi ev AvqZb
132. 5% (V/V) B_vbj ej‡Z †evSvq- `ªexf~Z _v‡K
139. ‡Kv‡bv `ªe‡Yi cwigvY W1g Ges `ªe‡Y `ªexf~Z `ª‡ei
K 95mL cvwb‡Z 5mL weï× B_vbj Av‡Q
cwigvY W2mg n‡j H `ªe‡Y `ª‡ei ppm NbgvÎv =?
L 100mL cvwb‡Z 5mL weï× B_vbj Av‡Q
W1 W2
M 95g cvwb‡Z 5mL weï× B_vbj Av‡Q K  10 6 L  10 6
W2 W1
N 100g cvwb‡Z 5mL weï× B_vbj Av‡Q
W1 W2
133. 90mL cvwb‡Z 10mL weï× B_vbj _vK‡j `ªe‡Yi M  10 3 N  10 3
W2 W1
NbgvÎv KZ n‡e?
140. ‡Kv‡bv `ªe‡Yi AvqZb VmL Ges H `ªe‡Y `ªexf~Z `ª‡ei
K 90% (V/V) L 10% (V/V)
cwigvY W2 mg n‡j, H `ªe‡Y `ª‡ei ppm NbgvÎv = ?
M 90% (W/V) N 10% (W/V)
W2 W2
134. 15%(V/V) HCl `ªeY cÖ¯‘Z Ki‡Z- K  10 6 L  10 6
V W1
K 100mL cvwb‡Z 15g HCl `ªexf~Z Ki‡Z n‡e
V W1
L 100mL cvwb‡Z 15mL HCl `ªexf~Z Ki‡Z n‡e M  10 6 N  10 6
W2 W2
M 85g cvwb‡Z 15g HCl `ªexf~Z Ki‡Z n‡e
141. ‡Kvb ai‡bi `ªe‡Yi †ÿ‡Î ppm GKK e¨envi Kiv nq?
N 85mL cvwb‡Z 15mL HCl `ªexf~Z Ki‡Z n‡e
K `ªe‡Y `ªexf~Z `ª‡ei cwigvY †ewk n‡j
135. 1000mL `ªe‡Y 50mL `ªe _vK‡j `ªe‡Yi NbgvÎv KZ?
L `ªe‡Y `ªexf~Z `ª‡ei cwigvY Aí n‡j
K 50% (V/V) L 5% (V/V)
M `ªe‡Y `ªexf~Z `ª‡ei cwigvY AwZ Aí n‡j
M 50% (W/V) N 5% (W/V)
N `ªe‡Y `ªexf~Z `ªe bv _vK‡j
136. 20% (W/V) `ªeY ej‡Z †evSvq-
142. 5% (W.V) Na2CO3 `ªe‡Yi †gvjvi NbgvÎv KZ?
K 1000mL `ªe‡Y 20mL `ªe Av‡Q
K 0.1747 M L 4.717 M
L 1000mL `ªe‡Y 200mL `ªe Av‡Q
M 0.04717 M N 0.4717 M
M 1000g `ªe‡Y 20mL `ªe Av‡Q
143. 1L ev 1000mL `ªe‡Yi g‡a¨ `ª‡ei MÖvg AvYweK fi
N 1000g `ªe‡Y 20g `ªe Av‡Q cwigvb `ªexf~Z _vK‡j H `ªe‡Yi gvÎv -
137. 5% (W/V) H2SO4 ej‡Z †evSvq-
K 10M L 1M
K 100g `ªe‡Y 5g H2SO4 Av‡Q M 100M N 1000M
L 100mL `ªe‡Y 5mL H2SO4 Av‡Q 144. 0.05M Na2CO3 `ªe‡Yi cÖwZ wjUv‡i `ªexf~Z Na2CO3
M 100mL `ªe‡Y 5g H2SO4 Av‡Q =?
N 100g `ªe‡Y 5mL H2SO4 Av‡Q K 10.6 g L 5.3 g
138. `ªe‡Yi ppm NbgvÎv ej‡Z †evSvq- M 53g N 1.06g
K `ªe‡Yi GK jÿ fv‡M `ª‡ei hZ fi ev AvqZb 145. 0.05M Na2CO3 `ªe‡Y Na2CO3 Gi cwigvY KZ?
`ªexf~Z _v‡K K 0.53% (W/V) L 0.5%(W/V)
 |

M 0.53% (W/V) N 5.3% (W/V) K 36.6885 dm3 L 3.66885 dm3

146. 0.02M HCl `ªe‡Yi cÖwZ wjUv‡ii `ªexf~Z HCl Gi M 4.7899 dm3 N 47.899 dm3
cwigvY KZ? 156. 1.15 Av‡cwÿK ¸iæ‡Z¡i 10% (W/W) HCl `ªe‡Yi
K 18.25g L 1.825g mv‡_ weï× Pzbvcv_i bgybvi wewµqvq 37C ZvcgvÎv I
M 0.73g N 7.30g 98.95 kPa Pv‡c 1.75 dm3 CO2 M¨vm Drcbœ Ki‡Z KZ
147. 0.02M HCl `ªe‡Y HCl Gi kZKiv cwigvY KZ? AvqZb HCl cÖ‡qvRb?
K 0.73% (W/V) L 0.073% (W/V) K 2.80 dm3 HCl L 3.82 dm3 HCl
M 7.30% (W/V) N 73% (W/V) M 28.43 dm3 N 25.85 dm3
148. 0.01M Na2CO3 `ªe‡Yi kZKiv cwigvY KZ- 157. GKwU 30% f‡ii H2O2 Gi Rjxq `ªe‡Yi NbZ¡ 1.11
K 10.6% (W/V) L 106% (W/V) g/mL n‡j `ªe‡Yi H2O2 Gi †gvjvwiwU KZ?
M 1.06% (W/V) N 0.53% (W/V) K 7.99 M L 8.97 M
149. 5% (W/V) H2SO4 `ªe‡Yi NbgvÎv KZ? M 9.79 M N 8.79 M
K 5.102 M L 0.5102 M 158. AvaywbKKv‡j j¨ve‡UiwU‡Z `ªe‡Yi gvÎv †gvjvwiwUi cwie‡Z©
†Kvb GK‡K cÖKvk Kiv nq?
M 0.05102 M N 0.0051 M
150. 5% (W/V) HCl `ªe‡Yi †gvjvi NbgvÎv KZ? K wgwjMÖvg L wjwcwe

K 13.69M L 1.369 M M wcwcwU N wcwcGg

M 0.1369M N 0.01369M 159. j¨ve‡UwiwU‡Z `ªe‡Yi gvÎv --------- nIqvB evÃbxq|
151. 5% (W/V) NaOH `ªe‡Yi †gvjvi NbgvÎv KZ? K ‡ewk L Aí
K 1.0M L 0.125M M A‡bK †ewk N 1M
M 1.25M N 12.5M 160. 1000mL `ªe‡Y 36.5g HCl `ªexf~Z _vK‡j HCl `ªe‡Yi
152. hw` 100g my‡µv‡Ri `ªe‡Y 15g weï× my‡µvR _v‡K, Z‡e gvÎv KZ?
H `ªe‡Y my‡µv‡Ri NbgvÎv KZ? K 0.1M L 1.0M
K 10% (W/V) L 10% (W/W) M 10.0M N 0.5M
M 10% (V/V) N 80% (W/W 161. 1000mL `ªe‡Y 49g H2SO4 `ªexf~Z _vK‡j `ªe‡Yi gvÎv
153. 10% (V/V) A¨vj‡Kvnj ej‡Z eySvq- KZ?
K cÖwZ 100g `ªe‡Y 10g A¨vj‡Kvnj `ªexf~Z Av‡Q K 1.0N L 2.0M
L cÖwZ 100mL `ªe‡Y 10g A¨vj‡Kvnj `ªexf~Z Av‡Q M 0.5M N 1.0M
162. cÖwZ wjUvi `ªe‡Y wgwjMÖvg cwigvY `ªe `ªexf~Z _vK‡j H
M cÖwZ 100mL `ªe‡Y 10mL A¨vj‡Kvnj `ªexf~Z Av‡Q
`ªe‡Yi NbgvÎv KZ n‡e?
N cÖwZ 100g `ªe‡Y 10mLA¨vj‡Kvnj `ªexf~Z Av‡Q
K ‡gvjvi NbgvÎv L bigvj NbgvÎv
154. 10% Na2CO3 `ªe‡Yi †gvjvwiwU‡Z NbgvÎv KZ?
M ppm N ppb
K 0.9465 mol.kg–1 L 0.9434 mol.L–1
163. cÖwZ wgwjwjUvi `ªe‡Y `ª‡ei gvB‡µvMÖvg cwigvY `ªexf~Z
M 9.434 mol.kg–1 N 9.434 mol–1L _vK‡j H `ªe‡Yi NbgvÎv KZ n‡e?
155. 1.15 Av‡cwÿK ¸iæ‡Z¡ 15% (W/W) HCl `ªe‡Yi mv‡_
K ppb NbgvÎv L ppm NbgvÎv
weï× Pzbvcv_i bgybvi wewµqvq 37C ZvcgvÎv I 98.75
M bigvj N ‡gvjvj
kPa Pv‡c 1.75 dm3 CO2 M¨vm Drcbœ Ki‡Z KZ AvqZb
HCl cÖ‡qvRb? 164. GKwU `ªe‡Yi NbgvÎv 5ppm ej‡Z †evSvq?
K cÖwZ wjUv‡i `ªexf~Z `ª‡ei cwigvY 5mg
 |

L cÖwZ wjUv‡i `ªexf~Z `ª‡ei cwigvY 5g 171. wb‡Pi †KvbwU mwVK?
M cÖwZ wgwjwjUv‡i `ªexf~Z `ª‡ei cwigvY 5g K 1mg = 110–3g = 1103g
N cÖwZ wgwjwjUv‡i `ªexf~Z `ª‡ei cwigvY 5L L 1mg = 110–3g = 1103g
165. NaOH `ªe‡Yi NbgvÎv 10ppm ej‡Z †evSvq- M 1 mg = 110–3 g = 1103g
K 1L `ªe‡Y `ªexf~Z NaOH Gi cwigvY 10g N 1 mg = 1103g = 10–3 g
L 1L `ªe‡Y `ªexf~Z NaOH Gi cwigvY 10mg 172. AvqZb, fi I Nb‡Z¡i g‡a¨Kvi m¤ú©K n‡jv-
fi fi
M 1L `ªe‡Y `ªexf~Z NaOH Gi cwigvY 10g K AvqZb  L NbZ¡ 
NbZ¡ AvqZb
N 100mL `ªe‡Y `ªexf~Z NaOH Gi cwigvY 10g
M fi = AvqZb  NbZ¡ N meKwU
166. cÖwZ wjUvi `ªe‡Y 15mg HCl `ªexf~Z _vK‡j `ªe‡Yi gvÎv
KZ? 173. 1ppm = ?
K 1g.cm L 1g.cm–1
K 15M L 15N
M 1g.cm3 N 1g.cm–3
M 15 ppb N 15 ppm
174. wb‡Pi †Kvb m¤úK©wU mwVK?
167. cÖwZ wjUvi `ªe‡Y 120g NaOH `ªexf~Z _vK‡j `ªe‡Yi
NbgvÎv KZ? K 1molar = 1 mol.L–1
K 0.012 ppm L 0.12 ppm L 1molar = 1 mol.dm–3
M 1.2 ppm N 12.0 ppm M 1molar = 1 mol.m–3
168. H2SO4 `ªe‡Yi NbgvÎv 8ppm ej‡Z †evSvq- N 1molar = 1 mol.dm–2
K cÖwZ wgwjwjUvi `ªe‡Y 8g H2SO4 Av‡Q 175. 1 ppm = ?
K 1 mg.dm–3 L 1 mg.L–1
L cÖwZ wgwjwjUvi `ªe‡Y 8g H2SO4 Av‡Q
M 1103g.dm–3 N meKwU
M cÖwZ wgwjwjUvi `ªe‡Y 8mg H2SO4 Av‡Q
176. 510–3g Abv`ª© Na2CO3 Gi 100mL `ªe‡Yi NbgvÎv
N cÖwZ wgwjwjUvi `ªe‡Y 8L H2SO4 Av‡Q
ppm GK‡K KZ?
169. 1 ppm = ?
K 5ppm L 10ppm
1 Ask `ª&e 1g `ª&e
K L M 50 ppm N 500ppm
1  10 Ask `ª&eY
6
1  106 `ª&eY
177. cvwbi bgybvq 0.01 ppm Pb2+ Avqb _vK‡j Pb2+
1  10 6 g Avq‡bi cwigvY KZ?
M N me KwU
1g `ª&eY
K 1.010–3g.L–1 L 1.010–5g.L–1
170. wb‡Pi †Kvb m¤úK©wU mwVK?
M 1.010–5mg.L–1 N 1.010–3mg.L–1
1 Ask `ª&e 10 6 g `ª&e 178. 0.01 ppm Pb2+ bgybv `ªe‡Y Pb2+ Avq‡bi †gvjvi
K 
1  10 6 Ask `ª&eY 1g `ª&eY NbgvÎv KZ?
1 Ask `ª&e 10 6 g `ª&e K 4.8309M L 4.830910–3M
L 
1  10 6 Ask `ª&eY 1g `ª&eY M 4.830910–8M N 0.830910–8M
1 Ask `ª&e 1g `ª&e 179. 0.01M 250mL NaOH `ªe‡Yi gvÎv ppm GK‡K KZ?
M  6
1  10 Ask `ª&eY 10 g `ª&eY
6
K 4 ppm L 400 ppm
1 Ask `ª&e 1g `ª&e M 40 ppm N 4103 ppm
N 
1  10 Ask `ª&eY 1g `ª&eY
6
180. 0.01M 250mL NaOH `ªe‡Y NaOH Gi kZKiv
cwigvY KZ?
 |

K 410–2% (W/V) L 4% (W/V) M kZKiv nvi N bigvwjwU

M 40% (W/V) N 0.4% (W/V) 189. i‡³ Møy‡Kv‡Ri NbgvÎv 0.005M n‡j, ppm GK‡K
181. 0.02M 100mL HCl `ªe‡Yi gvÎv ppm GK‡K KZ? NbgvÎv KZ?
K 73 ppm L 730 ppm K 90.0 ppm L 9.0 ppm
M 7.30 ppm N 7300 ppm M 900 ppm N 990 ppm
3+
182. ‡gvjvi NbgvÎv‡K ppm GK‡K cÖKv‡ki †ÿ‡Î g~j wbqvgK 190. wUDeI‡q‡ji cvwb‡Z Fe Gi NbgvÎv 0.003M n‡j H
†KvbwU? cvwb‡Z KZ ppm Fe3+?
K AvqZb L fi K 16 ppm L 16.755 ppm
M ZvcgvÎv N `ª‡ei cwigvY M 26.75 ppm N 1.6 ppm
183. ‡gvjvi NbgvÎv‡K kZKiv GK‡K cÖKv‡ki ‡ÿ‡Î g~j 191. 3.2M Na2CO3 `ªe‡Yi NbgvÎv kZKivq KZ?
wbqvgK †KvbwU? K 30.92% L 33.92%
K `ªve‡Ki cwigvY L AvqZb M 43.90% N 23.90%
M `ª‡ei cwigvY N ZvcgvÎv 192. 1ppm = ?
184. 200mL 115 ppm HCl `ªe‡Yi g‡a¨ HCl Gi cwigvY K 0.001% L 0.0001%
KZ? M 0.00001% N 0.01%
K 0.025g L 0.25g 193. `ª‡ei kZKiv fi, `ª‡ei fi I `ªve‡Ki f‡ii g‡a¨ mwVK
M 0.125g N 1.25g m¤úK© †KvbwU?
185. 0.15M H2SO4 `ªeY‡K kZKiv GK‡Ki cÖKvk †KvbwU? `ªve‡Ki fi
K `ª‡ei kZKiv fi  `ª‡ei fi + `ªve‡Ki fi  100
K 147% (W/V) L 1.47% (W/V)
M 14.7% (W/V) N 0.147% (W/V) `ªve‡Ki fi
L `ª‡ei kZKiv fi  `ª‡ei fi  `ªve‡Ki fi  100
186. `ª‡ei †gvj fMœvsk = ?
`ªve‡Ki fi
`ªve‡Ki †gvj msL¨v M `ª‡ei kZKiv fi  `ªve‡Ki fi - `ª‡ei fi  100
K
`ªe‡Yi †gvU †gvj msL¨v
`ª‡ei fi
N `ª‡ei kZKiv fi  `ª‡ei fi + `ªve‡Ki fi  100
`ª‡ei †gvj msL¨v
L
`ªe‡Yi †gvU †gvj msL¨v
194. cvwb‡Z ZvcgvÎv wbf©i Aw·‡Rb M¨v‡mi `ªve¨Zv 0C
`ªve‡Ki †gvj msL¨v ZvcgvÎvq KZ?
M
`ª‡ei †gvj msL¨v K 14.6 ppm L 24.3 ppm
M 12.0 ppm N 25.6 ppm
`ª‡ei †gvj msL¨v
N 195. f~-Mf©¯’ cvbxq R‡j Av‡m©wb‡Ki Mo cwigvY KZ?
`ªve‡Ki †gvj msL¨v
K 3.5 ppb L 3.5 ppm
187. GKRb †ivMxi i‡³ Møy‡Kv‡Ri cwigvY 10 wgwj ‡gvj/wjUvi
n‡j wgwjMÖvg/‡WwmwjUvi GK‡K Gi cwigvY KZ? M 2.5 ppb N 25.6 ppm
196. ppmv ej‡Z Kx †evSvq?
K 18 mg/dL L 1.8 mg/dL
M 280 mg/dL N 180 mg/dL K Parts per million
188. 100 fvM `ªe‡Y hZ fvM `ªe `ªexf~Z _v‡K Zvi cwigvYMZ L Parts per million by volume
cÖKvk‡K Kx e‡j? M parts per billion by volume
K ‡gvjvwiwU L ‡gvj fMœvsk N parts per billion
 |

197. evqygÛ‡j _vKv Dcv`v‡bi NbgvÎv cÖKvk Kiv nq ‡Kvb K 1.0M L 2.0M
GK‡K? M 0.5M N 0.1M
K ppT L ppb 205. 1.0M HCl `ªe‡Yi 100mL ‡K 0.1 M HCl `ªe‡Y
M ppmv N ppmw cwiYZ Ki‡Z-
198. MÖvg GjvKvi cwi®‹vi evqy‡Z Uw·K CO M¨v‡mi cwigvY K 100mL cvwb †hvM Ki‡Z n‡e
KZ? L 10 mL cvwb miv‡Z n‡e
K 0.5 ppmv L 0.05 ppmv M 900mL cvwb †hvM Ki‡Z n‡e
M 0.50 ppbv N 0.005 ppmv N 1.0mL cvwb miv‡Z n‡e
199. kn‡ii UªvwdK (hvbevnb) GjvKvq `~wlZ evqy‡Z Uw·K CO
206. 0.5M NaOH `ªe‡Yi 200mL cwigv‡Yi mv‡_ 100mL
M¨v‡mi cwigvY KZ?
cvwb †hvM Kiv n‡j wgwkÖZ `ªe‡Yi NbgvÎv KZ?
K 5 ppmv L 50 ppmv
K 1.33M L 0.33M
M 30 ppmv N 45 ppmv
M 1.0M N 0.5M
200. 3.5g f‡ii U¨ve‡j‡U 40.5 mg Ca _vK‡j Ca Gi
207. 0.1M HNO3 `ªe‡Yi 150mL †K 0.01M `ªe‡Y cwiYZ
NbgvÎv ppm GK‡K KZ n‡e? Ki‡Z wgwkÖZ `ªe‡Yi AvqZb KZ n‡e?
K 11.6104 ppm L 11.6105 ppm K 1.5L L 15L
M 1.16105 ppm N 1.16104 ppm M 0.15L N 150L
201. wcwcGg (ppm) `ª‡ei fi I `ªve‡Ki f‡ii ga¨Kvi mwVK 208. 0.115M HCl `ªe‡Yi 250mL Gi mv‡_ 250mL cvwb
m¤úK© †KvbwU? †hvM Ki‡j wgwkÖZ `ªe‡Yi NbgvÎv KZ n‡e?
`ª‡ei fi  106 K 0.5750M L 0.575M
K wcwcGg  `ª‡ei fi + `ªve‡Ki fi
M 0.115M N 0.23M
`ªve‡Ki fi  106 209. D”P †gvjvi `ªeY †_‡K wb¤œ †gvjvi `ªeY ˆZwii cÖwµqv‡K
L wcwcGg  `ª‡ei fi + `ªve‡Ki fi wK e‡j?
K `ªe‡Yi jNyKiY L `ªe‡Yi MvpxKiY
`ª‡ei fi  109
M wcwcGg  `ª‡ei fi + `ªve‡Ki fi M `ªeY m¤ú„³KiY N UvB‡Uªkb
210. `ªe‡Yi †gvj msL¨v, †gvjvwiwU I `ªe‡Yi AvqZ‡bi ga¨Kvi
`ªve‡Ki fi  109 mwVK m¤úK© †KvbwU?

N wcwcGg `ª‡ei fi + `ªve‡Ki fi
K `ª‡ei †gvj msL¨v = †gvjvwiwU  wjUvi GK‡K
202. jNy `ªeY ej‡Z Kx †evSvq? `ªe‡Yi AvqZb
K `ª‡ei cwigvY †ewk, `ªve‡Ki cwigvY Kg L `ª‡ei †gvj msL¨v = †gvjvwiwU  wgwjwjUvi GK‡K
L `ª‡ei cwigvY Kg, `ªve‡Ki cwigvY †ewk `ªe‡Yi AvqZb
M `ªe I `ªve‡Ki cwigvY mgvb M ‡gvjvwiwU = `ª‡ei †gvj msL¨v  wjUvi GK‡K
N `ª‡ei cwigvY A‡cÿv `ªve‡Ki cwigvY Kg `ªe‡Yi AvqZb

203. `ªeY jNyKi‡Yi †ÿ‡Î †Kvb m¤úK©wU cÖ‡hvR¨? N ‡gvjvwiwU = wjUvi GK‡K `ªe‡Yi AvqZb  `ª‡ei
‡gvj msL¨v
K V1V2 = M1M2 L V1M2 = V2M1
211. evwYwR¨K 12M HCl `ªeY †_‡K 500mL 0.1M HCl
M V1M1 = V2M2 N 2V1M1 = V2M2
`ªeY ˆZwi Ki‡Z Kx cwigvY 12M Mvp HCl `ªeY
204. 1.0M Na2CO3 `ªe‡Yi 100mL †K 200mL `ªe‡Y
cÖ‡qvRb?
cwiYZ Ki‡j `ªe‡Yi NbgvÎv KZ n‡e?
 |

K 41.7 mL L 4.17 mL M Dfq `ªe‡Yi NbgvÎv mgvb n‡j

M 8.34 mL N 50 mL N Dfq `ªe‡Yi AvqZb mgvb n‡j
212. Mvp nvB‡Wªv‡K¬vwiK GwmW n‡jv GwU- 218. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Y cvwb‡Z ‡hvM Ki‡j wb‡Pi
K cÖvBgvwi ÷¨vÛvW© c`v_© †KvbwU cwiewZ©Z nq bv?
L ‡m‡KÛvwi ÷¨vÛvW© c`v_© K `ªe‡Yi AvqZb L `ªe‡Yi NbgvÎv
M wb‡`©kK N cÖfveK M `ªe‡Y `ª‡ei cwigvY N `ªve‡Ki cwigvY
213. evwYwR¨K 18M Mvp H2SO4 `ªeY †_‡K 500mL d¬v‡¯‹ 219. GwmW `ªe‡Y ÿvi †hvM Ki‡j Kx N‡U?
0.1M H2SO4 `ªeY cÖ¯‘Z Ki‡Z KZ AvqZb 18M Mvp K cÖkgb wewµqv L ms‡hvRb wewµqv
H2SO4 cÖ‡qvRb? M we‡qvRb wewµqv N `nb wewµqv
K 3.8 mL L 2.8 mL 220. cÖkgb wewµqvq Kx Drcbœ nq?
M 28.0 mL N 4.9 mL K cvwb L jeY I cvwb
214. `ªe‡Yi NbgvÎv I AvqZ‡bi cwieZ©b NUv‡bvi wbqg
M GwmW N ÿvi
†KvbwU?
221. ‡Kvb wewµqvq GwmW Zvi GwmWZ¡ Ges ÿvi webó K‡i jeY
K x mL y M `ªeY  1mL xyM `ªeY I cvwb Drcbœ K‡i?
L x mL y M `ªeY  xymL 1M `ªeY K RviY-weRviY wewµqv L ms‡kølY wewµqv
x
M x mL y M `ªeY  1mL M `ªeY M mgvYyKiY wewµqv N cÖkgb wewµqv
y
222. ÿvi `ªe‡Y GwmW †hvM Ki‡j Kx Drcbœ nq?
N K I L DfqB
K jeY L jeY I cvwb
215. jNyKiY g~jwfwË †KvbwU?
M Kve©b-WvB-A·vBW N cvwb
‡gvjvwiwU 223. ‡h cÖwµqvq Zzj¨ cwigvY GwmW I ÿvi ci¯úi ci¯ú‡ii
K `ª‡ei †gvj msL¨v =
wjUvi GK‡K `ªe‡Yi AvqZb mv‡_ wewµqv K‡i wbi‡cÿ †hŠM c~Y© jeY I cvwb Drcbœ
L `ª‡ei †gvj msL¨v = †gvjvwiwU  wjUvi GK‡K K‡i Zv‡K ejv nq-
`ªe‡Yi AvqZb K cwjgviKiY wewµqv L RviY-weRviY wewµqv
M wjUvi GK‡K `ªe‡Yi AvqZb = †gvjvwiwU  `ª‡ei M cÖkgb wewµqv N ms‡hvRb wewµqv
†gvj msL¨v 224. cÖkgb wewµqvq g~jZ Kviv AskMÖnY K‡i?
wjUvi GK‡K `ªe‡Yi AvqZb K H+ L OH
N ‡gvjvwiwU =
`ª‡ei †gvj msL¨v M avZe Avqb NKIL
216. M1 †gvjvwiwUi V1 wjUvi `ªe‡Y cvwb †hvM K‡i M2 225. Gwm‡Wi H+ I ÿv‡ii OH– Avqbhy³ n‡q wbi‡cÿ †hŠM
†gvjvwiwUi V2 wjUvi `ªe‡Y cwiYZ Ki‡j †Kvb m~ÎwU cvwb Drcbœ nq †Kvb wewµqvq?
cÖ‡hvR¨ nq? K cvwb †hvRb wewµqv L Av`ª© we‡kølY wewµqv
K V1V2 = M1M2 L V1M2 = V2M1 M ms‡hvRb wewµqv N cÖkgb wewµqv
V1 V 226. Gwm‡Wi AvYweK fi‡K H Gwm‡Wi ÿviKZv Øviv fvM K‡i
M  2 N V1M1= V2M2
M1 M 2 †h gvb cvIqv hvq Zv‡K Kx ejv nq?
217. `ªeY jNyKi‡Yi V1M1= V2M2 m~ÎwU cÖ‡hvR¨ nq- K ‡gvjvi fi L Zzj¨ fi
K Dfq `ªe‡Yi †gvj msL¨v Amgvb n‡j M A¤øZ¡ N ÿviKZ¡
L Dfq `ªe‡Yi †gvj msL¨v mgvb n‡j 227. HCl Gi Zzj¨ fi KZ?
 |

K 36.5 L 35.5 Gwm‡Wi AvYweK fi

K L
M 18.25 N 73 ÿv‡ii A¤øZ¡
228. H2SO4 Gi Zzj¨ fi KZ? Gwm‡Wi AvYweK fi
K 98 L 9.8 Gwm‡Wi A¤øZv
M 49 N 24.5 ÿv‡ii AvYweK fi
229. Gwm‡Wi Zzj¨ fi = ? M N
ÿv‡ii A¤øZ¡
K Gwm‡Wi AvYweK fi  Gwm‡Wi ÿviKZv
ÿv‡ii AvYweK fi
Gwm‡Wi AvYweK fi Gwm‡Wi A¤øZv
L
Gwm‡Wi ÿviKZv
237. NaOH Gi Zzj¨ fi KZ?
M Gwm‡Wi AvYweK fi + Gwm‡Wi ÿviKZv K 20 L 40
Gwm‡Wi ÿviKZv M 60 N 80
N
Gwm‡Wi AvYweK fi 238. Na2CO3 Gi Zzj¨ fi KZ?
230. HNO3 Gi Zzj¨ fi KZ? K 106 L 10.6
K 31.5 L 63 M 53 N 5.3
M 60 N 63 239. NaOH Gi A¤øZ¡ KZ?
231. wb‡Pi †KvbwU GK ÿviKxq GwmW? K0 L1
K HCl L H2SO4 M2 N 2.5
M Na2SO4 N NaOH 240. NaCO3 Gi A¤øZ¡ KZ?
232. HCl Gwm‡Wi ÿviKZ¡ KZ? K0 L1
K1 L2 M2 N3
M3 N0 241. GwmW-ÿvi cÖkgb wewµqv Kq cÖKvi?
233. H2SO4 Gwm‡Wi ÿviKZ¡ KZ? K `yB L wZb
K0 L1 M Pvi N Qq
M2 N3 242. GwmW-ÿvi cÖkgb wewµqvq-
234. HCl(aq) + NaOH(aq)  NaCl(aq) + H2O(ℓ); K Zv‡cvrcv`x wewµqv L Zvcnvix wewµqv
wewµqvq `k©K Avqb Kviv? M GK AvYweK wewµqv N ms‡kølY wewµqv
+ + + –
K Na I H L H I OH 243. GwmW-ÿvi cÖkgb wewµhvq-
– – + –
M OH I Cl N Na I Cl K GwmW I ÿvi Df‡qi ag© wejyß nq
235. ÿv‡ii AvYweK fi‡K H ÿv‡ii A¤øZ¡ Øviv fvM K‡i †h gvb L ïay Gwm‡Wi ag© wejyß nq
cvIqv hvq Zv‡K Kx ejv nq?
M ïay ÿv‡ii ag© wejyß nq
K ÿviKZ¡ L A¤øZ¡
N Zvc †kvwlZ nq
M ‡gvjvi fi N Zzj¨ fi
244. HCl I NaOH Gi cÖkgb wewµqvi cÖkgb Zv‡ci gvb
236. ÿv‡ii Zzj¨ fi = ? KZ?
K 57.34 kJmol–1 L – 57.34 kJmol–1
M – 55.23 kJmol–1 N 55.23 kJmol–1
 |

245. UvB‡Uªkb GKwU- 254. 0.675 g f‡ii GK A¤øxq ÿvi‡K cvwb‡Z `ªexf~Z K‡i
K fiwgwZK c×wZ L AvqZbwgwZK c×wZ 50mL `ªeY cÖ¯‘Z Kiv n‡jv| G `ªeY‡K c~Y© cÖkgb Ki‡Z
M ms‡kølY c×wZ NKIL 16mL 1.055M HCl cÖ‡qvRb n‡j, ÿv‡ii AvYweK fi
KZ?
246. A¤ø-ÿvi cÖkgb wewµqvq Drcbœ Zvc g~jZ-
K 30 L 36.5
K cvwb Drcbœ n‡Z wbM©Z Zvc
M 40 N 106
L jeY Drcbœ n‡Z wbM©Z Zvc
255. 20mL 0.5M Na2CO3 `ªeY  A mL AvqZ‡bi
M cvwb Drcbœ n‡Z †kvwlZ Zvc
1.0M NaOH `ªeY, A Gi gvb KZ?
N jeY Drcbœ n‡Z †kvwlZ Zvc
K 10 mL L 20 mL
247. Gwm‡Wi g‡a¨ ÿvi †hvM Ki‡j Gwm‡Wi †kl we›`y hv ÿvi‡K M 40 mL N 5 mL
c~Y© cÖkwgZ K‡i, H †kl we›`y‡K Kx e‡j?
256. 10mL 0.1M HCl `ªe‡Yi g‡a¨ 8mL 0.15M HCl
K wb‡`©kK we›`y L cÖkgb we›`y `ªeY †hvM Kivi d‡j Drcbœ nj A mL 1M HCl `ªeY,
M mgvwß we›`y N L I M DfqB A Gi gvb KZ?
248. cÖkgb we›`y wb‡`©k K‡i †KvbwU? K 18 mL L 2.2 mL
K wewµqvi ïiæ L wewµqvi mvg¨ve¯’v M 2 mL N 5 mL
M wewµqvi mgvwß N wewµqvi ga¨ Ae¯’v 257. 25mL 0.5M Na2CO3 `ªeY‡K c~Y© cÖkwgZ Ki‡Z
249. wb‡`©kK wKfv‡e cÖkgb we›`y wb‡`©k K‡i? 20mL HCl Gwm‡Wi cÖ‡qvRb n‡j, GwmW `ªe‡Yi gvÎv
KZ?
K wb‡Ri fi cwieZ©‡bi gva¨‡g
K 0.25M L 0.625 M
L wb‡Ri MÜ cwieZ©‡bi gva¨‡g
M 1.6 M N 1.25M
M wb‡Ri AvqZb cwieZ©‡bi gva¨‡g
258. 1.15 Avt ¸iæ‡Z¡i 2mL H2SO4 †K cvwb‡Z `ªexf~Z K‡i
N wb‡Ri eY© cwieZ©‡bi gva¨‡g
200mL `ªeY cÖ¯‘Z Kiv n‡jv, `ªe‡Yi gvÎv KZ?
250. ÿv‡ii g‡a¨ GwmW ‡hvM Kivi mgq ÿv‡ii ‡kl we›`y hv
K 0.1173M L 1.173M
GwmW‡K c~Y© cÖkwgZ K‡i, H †kl we›`y‡K wK e‡j?
M 2.23M N 1.33M
K cÖkgb we›`y L ‰Îa we›`y
259. 2.86g Kvco KvPv †mvWv (Na2CO3.10H2O) cvwb‡Z
M wb‡`©kK we›`y NKIL `ªexf~Z K‡i KZ NbgvÎvi 100mL `ªeY cÖ¯‘Z Kiv hv‡e?
251. 1.06 Abv`ª© Na2CO3 †K cvwb‡Z `ªexf~Z K‡i 200mL
K 0.01M L 0.1M
`ªeY cÖ¯‘Z Kiv n‡j, `ªe‡Yi NbgvÎv KZ?
M 0.5M N 1.9M
K 0.5 M L 0.05 M
260. 300mL NaOH `ªe‡Yi 25mL †K cÖkwgZ Ki‡Z
M 0.002M N 0.02 M 18mL 0.1M H2SO4 `ªe‡Yi cÖ‡qvRb n‡j g~j `ªe‡Y
252. 4.9g H2SO4 200mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi gvÎv NaOH Gi cwigvY KZ?
KZ?
K 1.728 g L 17.28 g
K 2.5 M L 0.25 M
M 23.38 g N 27.27 g
M 0.01 M N 0.1 M
261. xA + yB  Drcv`; wewµqvq Rb¨ cÖ‡qvR¨ mgxKiY
253. 0.05M 200mL Na2CO3 `ªeY ˆZwi Ki‡Z cÖ‡qvRbxq †KvbwU?
Na2CO3 Gi cwigvY KZ?
K x  VAMA=y  VBMB
K 106g L 10.6 g
L y  VAMA=m  VBMB
M 1.06g N 0.53 g
 |

M x  VAVB=y  MAMB 269. ‡Kv‡bv wewµqvq †h me c`v_© Aci †Kv‡bv c`v_©‡K

N y  VAVB= x  MAMB nvB‡Wªv‡Rb ev Zwor abvZ¥K cigvYy ev g~jK †hvMvb †`q
262. 50 mL 0.8% (W/V) NaOH `ªe‡Yi g‡a¨ 25mL Zv‡`i‡K e‡j-
0.5M HCl `ªeY ‡gkv‡bv n‡jv, wgkÖ‡Yi cÖK…wZ wKiƒc K RviK L weRviK
n‡e? M RvwiZ c`v_© N weRvwiZ c`v_©
K A¤øagx© L ÿviagx© 270. RviKmg~n Ab¨ c`v_©‡K RvwiZ Kivi mgq wb‡R-
M wbi‡cÿ N m¤ú„³ K RvwiZ nq L weRvwiZ nq
263. 30mL H2SO4 `ªe‡Yi c~Y© cÖkg‡bi Rb¨ 12.25mL M wbi‡cÿ _v‡K N Aw¯ÍZ¡nxb nq
12M Na2CO3 `ªe‡Yi cÖ‡qvRb n‡j Gwm‡Wi NbgvÎv 271. weRviKmg~n †Kv‡bv c`v_©‡K weRvwiZ Kivi mgq wb‡R-
KZ?
K RvwiZ nq L weRvwiZ nq
K 0.0304M L 0.408 M
M wbi‡cÿ _v‡K N Aw¯ÍZ¡nxb nq
M 0.340 M N 0.400M
272. RviY wewµqvq †h c`v_©wUi RviY N‡U Zv‡K Kx e‡j?
264. ‡h ivmvqwbK wewµqvq †Kv‡bv †gŠj ev †hŠ‡Mi mv‡_
K RvwiZ c`v_© L weRvwiZ c`v_©
Aw·‡Rb ev Ab¨ †Kv‡bv Zwor FYvZ¥K †gŠj ev g~j‡Ki
ms‡hvRb nq †mB wewµqv‡K Kx e‡j? M RviK c`v_© N weRviK c`v_©
K RviY wewµqv L weRviY wewµqv 273. wb‡Pi †KvbwU RviY wewµqv?

M cÖkgb wewµqv N ms‡kølY wewµqv K Mg + Cl2  MgCl2

265. ‡h ivmvqwbK wewµqvq †Kv‡bv †hŠM †_‡K nvB‡Wªv‡Rb ev L CH4 + O2  CO2 + H2O
Ab¨ †Kv‡bv Zwor abvZ¥K †gŠ‡ji ev g~j‡Ki AcmviY N‡U M MnO2 + 4HCl  MnCl2 + 2H2O+Cl2
†mB wewµqv‡K Kx e‡j? N me¸‡jv
K cÖkgb wewµqv L cÖwZ¯’vcb wewµqv 274. FeCl2 + Cl2  FeCl3 wewµqvq Kvi RviY N‡U?
M RviY wewµqv N weRviY wewµqv K FeCl2 L FeCl3
266. RviY-weRviY †h c`v_© Øviv RviY N‡U Zv‡K Kx e‡j? M Cl2 NKIM
K RvwiZ c`v_© L weRvwiZ c`v_© 275. 3Cu + 8HNO3  3Cu(NO3)2 + 4H2O + 2NO;
M weRviK N RviK wewµqvq Kvi RviY N‡U?
267. ‡h wewµqvq †Kv‡bv †gŠj ev †hŠ‡Mi mv‡_ nvB‡Wªv‡Rb ev K HNO3 L NO
Ab¨ †Kv‡bv Zwor abvZ¥K †gŠj ev g~j‡Ki ms‡hvRb N‡U M Cu N Cu(NO3)2
Zv‡K Kx e‡j? 276. PbS Gi eY© wKiƒc?
K RviY wewµqv L weRviY wewµqv K mv`v L njy`
M ms‡kølY wewµqv N cÖwZ¯’vcb wewµqv M jvj N Kv‡jv
268. ‡h wewµqvq †Kv‡bv †gŠj ev †hŠM †_‡K Aw·‡Rb ev Ab¨ 277. PbSO4 Gi eY© wKiƒc?
†Kv‡bv Zwor FYvZ¥K †gŠj ev g~j‡Ki AcmviY N‡U Zv‡K K mv`v L Kv‡jv
Kx e‡j?
M njy` N jvj
K AcmviY wewµqv L cÖwZ¯’vcb wewµqv
278. Zn + CuSO4  Cu + ZnSO4 wewµqvq †KvbwUi
M RviY wewµqv N weRviY wewµqv RviY N‡U?
K Zn L ZnSO4
M Cu N CuSO4
 |

279. wb‡Pi †KvbwU weRviY wewµqv? M RviY N weRviY

K H2 +Cl22HCl 288. Zn(s) + CuSO4(aq)  ZnSO4(aq) + Cu(s)
L Mg + O2  MgO wewµqvwU‡Z weRviKiƒ‡c KvR K‡i-
M ZnO + C  Zn + CO K Zn(s) L CuSO4(aq)
N me¸‡jv M ZnSO4(aq) N Cu(s)
280. CuO + H2  Cu + H2O wewµqvq †KvbwU weRvwiZ 289. wb‡Pi wewµqvmg~‡ni g‡a¨ †KvbwU mwVK?
nq? K Na  Na+ + e– (RviY)
K H2O L CuO L Cl + e–  Cl– (RviY)
M H2 N Cu M Cu2+ + 2e  Cu (RviY)
281. FeCl3 + H2S  FeCl3 + 2HCl + S; wewµqvq N Mg2+ + 2e  Mg (RviY)
†KvbwU weRvwiZ nq? 290. wb‡Pi †KvbwU RviY wewµqv?
K FeCl3 L H2S K Fe3+ + e–  Fe2+ L Fe2+ + 2e–  Fe
M FeCl2 N HCl M Fe  Fe2+ + 2e N I2 + 2e  2I–
282. CuSO4 + Zn  ZnSO4 + Cu; wewµqvq †KvbwU 291. wb‡Pi †KvbwU weRviY wewµqv?
weRvwiZ nq?
K Cu2+ + 2e  Cu L Zn  Zn2+ + 2e–
K CuSO4 L Zn
M Fe3+ + e–  Fe2+ N K I L DfqB
M ZnSO4 N Cu
292. ‡h RviY-weRviY wewµqvq GKB c`v_© AvswkKfv‡e RvwiZ
283. MnO2 + 4HCl  MnCl2 + 2H2O + Cl2; wewµqvq Avevi AvswkKfv‡e weRvwiZ nq Zv‡K Kx e‡j?
†KvbwUi RviY N‡U?
K cÖkgb wewµqv
K MnO2 L HCl
L ¯^ZtRviY-weRviY wewµqv
M MnCl2 N Cl2
M wØwe‡qvRb wewµqv
284. ‡h ivmvqwbK wewµqvq †Kv‡bv cigvYy, g~jK ev Avqb
B‡jKUªb Z¨vM K‡i, d‡j mswkøó cigvYy, g~jK ev Avq‡bi N Av`ª© we‡kølY wewµqv
abvZ¥K PvR© e„w× cvq, Zv‡K ejv nq- 293. wb‡Pi †KvbwU ¯^ZtRviY wewµqvi D`vniY?
K RviK L weRviK K FeCl3+ 2H2O + SO2  2FeCl3 + 2HCl
M RviY N weRviY + H2SO4

285. ‡h ivmvqwbK wewµqvq †Kv‡bv cigvYy, g~jK ev Avqb L 2FeCl3 + H2S  2FeCl2 + 2HCl + S
B‡jKUªb MÖnY K‡i Zv‡K Kx e‡j? M 2KI + Cl2  2KCl + I2
K RviK L RviY N 2KClO3  2KCl + 3O2
 2 PbO  4 NO  O ;
2 Pb( NO 3 ) 2 
M weRviK N weRviY 294. 2 2

286. ‡hme †gŠj, g~jK ev Avqb wewµqvKv‡j B‡jKUªb MÖnY K‡i, wewµqvwU‡K ejv nq-
Zv‡`i Kx ejv nq? K RviY wewµqv
K RviY L weRviK L weRviY wewµqv
M RviK N weRviK M RviY-weRviY wewµqv
287. ‡hme †gŠj, g~jK ev Avqb wewµqvKv‡j B‡jKUªb Z¨vM K‡i N ¯^ZtRviY weRviY wewµqv
Zv‡`i Kx ejv nq?
K RviK L weRviK
 |

295. SnCl2 + 2HgCl2  SnCl2 +2HgCl; wewµqvq 304. ‡hŠ‡Mi wbi‡cÿ ev Avavbwenxb AYy‡Z Dcw¯’Z meKqwU
RviK I weRviK n‡jv h_vµ‡g- cigvYyi RviY msL¨vi †hvMdj-
K HgCl2 I SnCl2 L SnCl2 I HgCl2 K k~b¨ L k~b¨ nq bv
M SnCl2 I HgCl N SnCl2 I SnCl4 M cigvYyi †gvU msL¨v mgvb
296. RviK c`v_© †Kvb¸‡jv? N cigvYyi f‡ii mgvb
K KMnO4, K2Cr2O7, I2, CuSO4 305. Avq‡b Dcw¯’Z me cigvYyi RviY msLvi †hvMdj-
L KMnO4, K2Cr2O7, KI, CuSO4 K Avq‡b Dcw¯’Z cigvYy msL¨vi mgvb
M K2Cr2O7, KI, H2O2, Na2S2O3 L Avq‡bi Pv‡R©i mgvb
N K2Cr2O7, KI, I2, H2O2 M k~b¨ (0) N GK (1)
297. weRviK c`v_© †Kvb¸‡jv? 306. cviA·vBW †hŠ‡M O Gi RviY msL¨v KZ?
K KMnO4, H2S, KI, Na K+1 L–1
L H2S, KI, I2, Na2S2O3 1
M–2 N 
M H2S, KI, H2O2, Na2S2O3 2
N KI, I2, H2O2, NaOH 307. OF2 †hŠ‡M O Gi RviY msL¨v KZ?
298. ‡Kv‡bv †gŠ‡ji GKwU cigvYy B‡jKUªb MÖnY ev eR©b K‡i †h K+1 L–1
Avq‡b cwiYZ nq †mB Avq‡bi Pv‡R©i msL¨v‡K H †gŠ‡ji M–2 N+2
Kx ejv nq?
308. mycvi A·vBW O Gi RviY msL¨v KZ?
K A¨v‡fv‡M‡Wªvi msL¨v L RviY msL¨v
1 1
M RviK msL¨v N weRviY msL¨v K  L 
2 2
299. GK cigvYywewkó mij Avq‡bi RviY msL¨v Zv‡`i------ M+1 N–2
mgvb| 309. KO2 ‡hŠ‡M O Gi RviY msL¨v -
K ‡hvRbxq L Pv‡R©i 1
K  L–1
M ‡hvRbx I PvR© Df‡qi N B‡jKUª‡bi 2
300. ‡Kv‡bv cigvYy B‡jKUªb eR©b Ki‡j Zvi RviY msL¨v- 1
M–2 N 
K abvZ¥K L FYvZ¥K 2
M cÖkg N k~b¨ (0) 310. ICl3 I IF3 †hŠ‡M Av‡qvwW‡bi RviY msL¨v-
301. ‡Kv‡bv cigvYy B‡jKUªb MÖnY Ki‡j Zvi RviY msL¨v- K +3, – 3 L +3, +3
K abvZ¥K L FYvZ¥K M – 3, – 3 N +3, 0
M cÖkg N k~b¨ 311. HCl ‡hŠ‡M H I Cl Gi RviY msL¨v KZ?

302. ‡gŠwjK Ae¯’vq cigvYyi RviY msL¨v- K +1, +1 L – 1, +1

K `yB L wZb M +1, – 1 N 0, – 1

312. Cl2 + H2O  HCl + HOCl; G wewµqvq Drcbœ
M GK N k~b¨
HOCl †hŠ‡M Cl Gi RviY msL¨v KZ?
303. P4 I S8 Gi RviY msL¨v-
K–1 L+1
K +4, +8 L +2, +4
M–2 N+2
M +1, +2 N 0, 0
313. Hg2O I HgO †hŠ‡M Hg Gi RviY msL¨v h_vµ‡g-
 |

K +2, +1 L +1, +2 325. K2Cr2O7 †hŠ‡M Cr Gi RviY msL¨v KZ?

M +2, 0 N – 1, –2 K+6 L–6
314. ICl †hŠ‡M Av‡qvwWb I †K¬vwi‡bi RviY msL¨v h_vµ‡g- M+3 N–3
3–
K +1, – 1 L – 1, +1 326. [Fe(CN)6] ‡hŠ‡M Fe Giv KZ?
M 1, 1 N 0, 0 K+2 L+3
315. MÖæc IA Gi avZzmg~‡ni RviY msL¨v KZ? M–3 N+4
2+
K +1 L–1 327. [Cu(NH3)4] †hŠ‡M Cu Gi RviY msL¨v KZ?
M+2 N0 K+2 L–2
316. avZe nvBWªvB‡W nvB‡Wªv‡R‡bi RviY msL¨v KZ? M+4 N+1
K +1 L +2 328. C2H2 I CH2Cl2 ‡hŠ‡M Kve©‡bi RviY msL¨v h_vµ‡g-
M–1 N–2 K +1 I –1 L–1I–1
317. avZzi mv‡_ nvB‡Wªv‡Rb hy³ n‡q †hŠM MVb Ki‡j H †hŠ‡M M – 1 I k~b¨ N – 1 I +1
H Gi RviY gvb KZ? 329. ‡mvwWqvg †UUªv _v‡qv‡bU (Na2S4O6) †hŠ‡M S Gi RviY
K–1 L +1 msL¨v KZ?
M+2 N0 K +2 L +2.5
318. mvaviYZ cÖvq me †hŠ‡M Aw·‡R‡bi RviY msL¨v KZ? M +4 N +10
K +1 L–1 330. KI3 †hŠ‡M K I I2 Gi RviY msL¨v KZ?
M–2 N +2 K +1, – 1 L +1, –3
319. Aw·‡R‡bi RviY msL¨v wnmve Kiv nq- 1
M +1,  N +1, +3
K AvYweK ms‡KZ †_‡K L ¯’~j ms‡KZ †_‡K 3
M cvigvYweK fi †_‡K N MvVwbK ms‡KZ †_‡K 331. RviY-weRviY wewµqvq c~Y© mgxKi‡Y KqwU Ask _v‡K?
320. ‡Kvb †gŠj¸‡jvi †hvRbx I RviY msL¨v GKB? K `ywU L wZbwU
K H2, Cl2, Na L H2, He, Na M PviwU N cvuPwU
M Na, K, He N He, Ne, Ar 332. weRviK KZ…K
© B‡jKUªb Z¨v‡Mi d‡j mswkøó †gŠ‡ji cigvYy
321. CH4 I CCl4 G Kve©‡bi RviY msL¨v KZ? ev AvqbwU RvwiZ nq, G‡K Kx ejv nq?
K+4 L–4 K RviY Aa©wewµqv L weRviY Aa©-wewµqv
M–4I+4 N+4I–4 M RviY-weRviY wewµqv N weRvwiZ nIqv
322. KMnO4 ‡hŠ‡M Mn Gi RviY msL¨v KZ? 333. RviK KZ…K
© B‡jKUªb MÖn‡bi d‡j mswkøó †gŠ‡ji cigvYy ev
K+3 L+5 Avqb weRvwiZ nq, G‡K Kx ejv nq?
M+7 N–7 K RviY Aa©wewµqv L weRviY Aa©wewµqv
323. H2SO4 †hŠ‡M S Gi RviY msL¨v KZ? M RviY-weRviY Aa©wewµqv N RvwiZ nIqv
K+4 L–4 334. RviY-weRviY wewµqvq RviK KZ…©K M„nxZ B‡jKUªb msL¨v
M+6 N–6 I weRviK KZ…©K Z¨vMK…Z B‡jKUª‡bi msL¨v me©`v-
324. Na2S2O3 Gi †ÿ‡Î S Gi RviY msL¨v KZ? K wfbœ n‡e L Awfbœ n‡e
K+2 L+3 M wظb n‡e N A‡a©K n‡e
M–2 N+4
 |

335. MnO 4  8H   5Fe2  

 Mn 2   4H 2O + K Mn++ G L MnO2 G
5Fe3+; wewµqvi RviK KZ…©K M„nxZ B‡jKUªb msL¨v KZ? M Mn2+ G N MnO 24  G
K 5wU L 3wU 342. Redox wewµqvq ÿvixq MnO 4 wewµqvi ci wK‡m
M 7wU N 2wU iƒcvšÍwiZ nq?
336. 2S2O32   I2 
 S4O62   2I  ; wewµqvq weRviK K Mn2+ G L Mn7+ G
KZ…K
© Z¨vMK…Z B‡jKUªb KqwU? M MnO2 G N Mn5+ G
K 2wU B‡jKUªb Z¨vM K‡i 343. A¤øxq gva¨‡g K2Cr2O7 Gi Cr2O72  Avqb wewµqvi ci
L 2wU B‡jKUªb MÖnY K‡i wK‡m iƒcvšÍwiZ nq?
M 4wU B‡jKUªb Z¨vM K‡i K Cr6+ L Cr3+
N 4wU B‡jKUªb MÖnY K‡i M Cr2O3 N Cr5+
337. K2Cr2O7 + 8HCl + 3H2O2 2CrCl3 + 7H2O + 344. A¤øxq gva¨‡g H2C2O4 ev C2O24  wewµqvi ci iƒcvšÍwiZ
O2 + KCl; wewµqvq `k©K Avqb n‡jv- nq-
K K+ I Cr2O72  L K+ I H+ K CO-G L CO2-G
N Cr2O72  I Cl–
2
M K+ I Cl– M CO3 G N H2O G
338. H2O2 + 2KI  2KOH + I2; wewµqvq weRviK KZ…K
© 345. ÿvixq gva¨‡g C2O24  wewµqvi ci wK‡m iƒcvšÍwiZ nq?
Z¨vMK…Z B‡jKUªb KqwU? K CO L CO2
K 2wU L 3wU M CO 2
N H2O
3
M 4wU N 5wU
346. Na2S2O3 ev S2O32  Avqb wewµqvi ci wK‡m iƒcvšÍwiZ
339. jNy H2SO4 hy³ KMnO4 `ªe‡Yi mv‡_ FeSO4 Gi
nq?
wewµqvi mgZvK…Z mgxKiY †KvbwU?
K S3O62  L S4O62 
K 5FeSO4 + 8H2SO4 + 2KMnO4 

5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O M SO2 N SO3
L 10FeSO4 + 8H2SO4 + KMnO4 
 347. KI ev I– Avqb ÿvixq gva¨‡g IO3 G cwiYZ n‡Z KqwU
5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O B‡jKUªb MÖnY ev eR©b K‡i?
M 10FeSO4 + 8H2O + KMnO4 
 K 3wU B‡jKUªb Z¨vM K‡i
5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O L 3wU B‡jKUªb MÖnY K‡i
N FeSO4 + H2SO4 + KMnO4   M 6wU B‡jKUªb Z¨vM K‡i
Fe2(SO4)3 + K2SO4 + 2MnSO4 + H2O
N 6wU B‡jLUªb MÖnY K‡i
340. ‡mvwWqvg _v‡qvmvj‡dU `ªe‡Y I2 Gi RviY-weRviY
348. Fe3O4 + CO  FeO + CO2 wewµqvq Fe cigvYyi
wewµqvi mgZvK…Z mgxKiY †KvbwU?
RviY msL¨v KZ n«vm ev e„w× †c‡q‡Q?
K Na2S2O3 + 2I2  4NaI + Na2S4O6
K +0.67 GKK n«vm L +0.67 GKK e„w×
L 2Na2S2O3 + I2  2NaI + Na2S4O6
M +1 GKK e„w× N – 1 GKK e„w×
M 2Na2S2O3 + 2I2  4Na2I + Na2S4O6
349. wb‡Pi †KvbwU RviY weRviY wewµqv bq?
N Na2S2O3 + I2  NaI + NaS4O4
K Na2SO4 + Ba(NO3)2  2NaNO3 +
341. RviY-weRviY wewµqvq A¤øxq MnO 4 wewµqvi ci
BaSO4
cwiewZ©Z nq-
 |

L Na2S2O3 + I2  Na2S4O6 + NaI K 2CuSO4 + 2KI  2Cu2SO4 + I2 + KI

M SO2 + Cl2 + H2O  H2SO4 + HCl L CuSO4 +2KI  K2SO4 + Cu + I2
N 2KClO3  2KCl + 3O2 M 2CuSO4 + 2KI  Cu2SO4 + K2SO4 + I2
350. wb‡Pi †KvbwU mwVK? N CuSO4 + KI  Cu2SO4 + K2SO4 + 2I2
K H2O2 + 2e  2OH– (weRviY Aa©-wewµqv) 358. 10g FeSO4 †K RvwiZ Ki‡Z KZ MÖvg weï× K2Cr2O7
L H2O2  2H+ + O2 + 2e (RviY Aa©wewµqv) cÖ‡qvRb?
  K 1.04 g L 2.34 g
M IO3  12 H  10e 
 I 2  6H 2O
M 3.23 g N 5.52 g
(weRviY Aa© wewµqv)
359. UvB‡UªkbKv‡j wewµqvi mgvwß we›`y wbav©i‡Yi Rb¨ wK
N me¸‡jv
e¨envi Kiv nq?

351. 2IO3  12 H   ne 
 I 2  6H 2O ; Aa© K cÖvBgvwi ÷¨vÛvW© c`v_© L ‰Re †hŠM
wewµqvq n Gi gvb KZ? M wb‡`©kK N ‡m‡KÛvwi ÷¨vÛvW© c`v_©
K5 L8 360. wewµqvi mgvwß we›`y‡Z my¯úó eY© cwieZ©b N‡U †KvbwU?
M 10 N 12 K Gwm‡Wi L ÿvi‡Ki
  2
352. 2MnO  6H  5H 2O2 
4  2Mn + 8H2O M cÖgvY `ªe‡Yi N wb‡`©k‡Ki
+5O2; wewµqv ¯’vbvšÍwiZ B‡jKUª‡bi msL¨v KZ? 361. wb‡`©kKmg~n A¤øxq I ÿvixq gva¨‡g cÖ`k©b K‡i-
K5 L7 K GKB eY© L wfbœ wfbœ eY©
M 12 N 10
M njy`
353. Cr2O72  nH   6Fe2 
 2Crm  7H2O +
N ‡Kv‡bv eY© cÖ`k©b K‡i bv
6Fe3+; wewµqvq n I m Gi gvb h_vµ‡g-
362. wb‡`©kK wK?
K n = 8, m = 3 L n = 10, m = 5
K `ye©j ˆRe GwmW L `ye©j ˆRe ÿvi
M n = 14, m = 3 N n = 14, m = 2
M `ye©j ˆRe GwmW I `ye©j ˆRe ÿvi
354. 0.25g FeSO4 †K m¤ú~Y©fv‡e RvwiZ Ki‡Z 0.02M
N `ye©j A‰Re GwmW I ÿvi
NbgvÎvi KZ AvqZb K2Cr2O7 `ªe‡Yi cÖ‡qvRb?
363. UvB‡UªkbKv‡j wb‡`©kK †hvM Kiv nq †Kv_vq?
K 13.719 mL L 4.441 mL
K KwbK¨vj d¬v‡¯‹ L ey¨‡i‡U
M 7.892 mL N 8.871 mL
355. jNy H2SO4 hy³ †jvnvi `ªeY‡K m¤ú~Y©fv‡e UvB‡UªU Ki‡Z M cÖgvY `ªe‡Y N wc‡c‡U
0.05M KMnO4 `ªe‡Yi 50mL Gi cÖ‡qvRb n‡j `ªe‡Y 364. wg_vBj A‡iÄ Kx?
†jvnvi cwigvY KZ? K `ye©j ˆRe GwmW L kw³kvjx ˆRe GwmW
K 0.702753g L 0.53252 g M `ye©j ˆRe ÿvi N kw³kvjx ˆRe ÿvi
M 7.02753g N 5.3252 g 365. wg_vBj †iW Kx?
356. 5g FeSO4 †K m¤ú~Y©fv‡e RvwiZ Ki‡Z KZ MÖvg K `ye©j ˆRe GwmW L Zxeª ˆRe GwmW
KMnO4 cÖ‡qvRb? M `ye©j ˆRe ÿvi N Zxeª ÿvi
K 1.04 g L 2.04 g 366. ‡dbd_¨vwj‡bi pH cwimi KZ?
M 1.40 g N 2.44 g
K 8.3-10.0 L 6.8-8.4
357. Kcvi mvj‡dU I cUvwmqvg Av‡qvWvB‡Wi g‡a¨Kvi
M 4.2-6.3 N 3.1-4.4
wewµqvi mgZvK…Z mgxKiY †KvbwU?
 |

367. wg_vBj †i‡Wi pH cwimi KZ? K wg_vBj A‡iÄ

K 8.3-10.0 L 6.3-8.4 L ‡dbd_¨vwjb
M 4.2-6.3 N 4.2-8.4 M ‡h †Kv‡bv wb‡`©kK
368. wg_vBj A‡i‡Äi pH cwimi KZ? N ‡Kv‡bv Dchy³ wb‡`©kK †bB
K 3.1-6.3 L 3.1-4.4 379. Zxeª GwmW I g„`y ÿv‡ii cÖkgb wewµqvq Dchy³ wb‡`©kK
M 4.5-6.8 N 6.8-8.4 †KvbwU?
369. ‡dbd_¨vwjb A¤øxq gva¨‡g Kx eY© †`q? K wg_vBj A‡iÄ L ‡dbd_¨vwjb
K jvj L ‡Mvjvwc M wg_vBj †iW NKIM
M njy` N eY©nxb 380. g„`y GwmW I Zxeª ÿv‡ii wewµqvq Dchy³ wb‡`©kK †KvbwU?
370. ‡dbd_¨vwjb ÿvixq gva¨‡g Kx eY© †`q? K ‡dbd_¨vwjb L wg_vBj A‡iÄ
K ‡Mvjvwc L eY©nxb M wg_vBj †iW N ‡h‡Kv‡bv wb‡`©kK
M jvj N njy` 381. g„`y GwmW I Zxeª ÿv‡ii wewµqvq Dchy³ wb‡`©kK †KvbwU?
371. wg_vBj A‡iÄ A¤øxq I ÿvixq gva¨‡g Kx eY© †`q? K wg_vBj A‡iÄ I wg_vBj †iW
K jvj I njy` L njy` I jvj L ‡dbd_¨vwjb
M ‡Mvjvwc I jvj N njy` I †Mvjvwc M wgkv‡bv wb‡`©kK
372. wg_vBj †iW A¤øxq gva¨‡g Kx eY© †`q? N ‡Kv‡bv Dchy³ wb‡`©kK †bB
K jvj L njy` 382. HCl GwmW `ªe‡Y wg_vBj A‡i‡Äi eY©-
M ‡Mvjvwc N eY©nxb K jvj L njy`
373. ‡dbj †iW GwmW `ªe‡Y wKiƒc eY© †`q? M ‡Mvjvwc N eY©nxb
K jvj L njy` 383. HCl I NaOH Gi wewµqvq Dchy³ wb‡`©kK n‡jv-
M ‡Mvjvwc N eY©nxb K ‡dbd_¨vwjb
374. ‡dbj †i‡Wi pH cwimi KZ? L ïaygvÎ wg_vBj A‡iÄ
K 8.3-10.0 L 6.8-8.4 M ‡h‡Kv‡bv wb‡`©kK
M 4.2-6.7 N 3.1-4.4 N ‡Kv‡bv Dchy³ wb‡`©kK †bB
375. wg_vBj †iW ÿvixq gva¨‡g wK eY© aviY K‡i?
384. HCl I NH4OH Gi wewµqvq Dchy³ wb‡`©kK n‡jv-
K njy` eY© L jvj eY©
K wg_vBj †iW
M meyR N eY©nxb
L ‡dbd_¨vwjb
376. wb‡Pi †KvbwU `ye©j ˆRe GwmW?
M ‡h‡Kv‡bv wb‡`©kK
K wg_vBj A‡iÄ L wg_vBj †iW
N ‡Kv‡bv Dchy³ wb‡`©kK †bB
M wjUgvm N Kve©wbK GwmW
385. HCN I NH4OH Gi wewµqvq Dchy³ wb‡`©kK-
377. wb‡Pi †KvbwU `ye©j ˆRe ÿvi?
K wg_vBj A‡iÄ
K wg_vBj †iW L ‡dbd_¨vwjb
L wg_vBj †iW
M A¨v‡gvwbqv N wjUgvm
M ‡dbd_¨vwjb
378. Zxeª GwmW I Zxeª ÿv‡ii cÖkgb wewµqvq wb‡`©kK wn‡m‡e
N ‡Kv‡bv Dchy³ wb‡`©kK †bB
Kx e¨eüZ nq?
386. HF I NaOH Gi wewµqvq Dchy³ wb‡`©kK-
 |

K ‡dbd_¨vwjb L wg_vBj A‡iÄ K jvj L Kgjv

M wg_vBj †iW N ‡h‡Kv‡bv wb‡`©kK M njy` N bxj
387. Na2CO3 Gi Rjxq `ªe‡Y wg_vBj A‡iÄ wKiƒc eY© aviY 397. ‡eªv‡gv †db‡ji eY© cwieZ©‡bi pH mxgv KZ?
Ki‡e? K 3.0-4.6 L 3.1-4.0
K jvj L njy` M 8.3-10.0 N 4.2-6.3
M ‡Mvjvwc N eY©nxb 398. A¤øxq gva¨‡g †eªv‡gv‡dbj wKiƒc eY© aviY K‡i?
388. CuSO4 Gi Rjxq `ªe‡Y wg_vBj †iW wKiƒc eY© aviY K njy` L bxj
Ki‡e? M jvj N Kgjv
K jvj L njy` 399. ÿvixq gva¨‡g †eªv‡gv‡dbj wKiƒc eY© aviY K‡i?
M ‡Mvjvwc N eY©nxb K Kgjv L jvj
389. wb‡`©k‡Ki eY© n‡e- M bxj N njy`
K h‡_ó ¯’vqx L A¯’vqx I D¾¡j 400. _vBgj eøy-i eY© cwieZ©‡bi pH mxgv KZ?
M Aby¾¡j N h‡_ó ¯’vqx I D¾¡j K 1.2-2.8 L 3.0-4.6
390. Al2(SO4)3 Gi Rjxq `ªe‡Y †dbd_¨vwjb wKiƒc eY© aviY M 6.0-7.6 N 7.2-8.8
Ki‡e? 401. wb‡Pi †KvbwU A¤øxq `ªe‡Y jvj eY© Ges ÿvixq `ªe‡Y njy`
K jvj L njy` eY© †`Lvq?
M ‡Mvjvwc N eY©nxb K wg_vBj †iW L _vBgj eøy
391. wewµqvi mgvwß we›`y wbY©‡q ¸iæZ¡c~Y© fywgKv cvjb K‡i M wg_vBj A‡iÄ N me¸‡jv
K cÖgvY `ªeY L cixÿYxq `ªeY 402. _vBgj_¨vwj‡bi eY© cwieZ©‡bi pH mxgv KZ?
M wb‡`©kK N cÖvBgvwi ÷¨vÛvW© c`v_© K 8.2-9.8 L 8.3-10.5
392. UvB‡UªkbKv‡j wewµqvi mgvwß we›`y wba©vi‡Yi Rb¨ KwbK¨vj M 6.8-8.4 N 3.8-5.4
d¬v‡¯‹i `ªe‡Y GKwU ˆRe †hŠM e¨envi Kiv nq, H ˆRe 403. wb‡Pi †KvbwU A¤øxq gva¨‡g eY©nxb A_P ÿvixq gva¨‡g bxj
†hŠM‡K Kx ejv nq? eY© aviY K‡i?
K wb‡`©kK L indicator K wg_vBj A‡iÄ L ‡dbd_¨vwjb
M m~PK N me¸‡jv M _vBgj_¨vwjb N wg_vBj †iW
393. 20mL cÖgvY 0.1M Na2CO3 `ªe‡Y `y‡dvUv wg_vBj 404. Zxeª ÿviK Øviv Zxeª GwmW‡K UvB‡Uªk‡bi mgq cÖkgb
A‡iÄ †hvM Ki‡j `ªe‡Yi eY© †Kgb n‡e? we›`y‡Z pH cwieZ©‡bi mxgv KZ?
K Kgjv L njy` K 3.1-9.7 L 4.0-9.0
M jvj N ‡Mvjvwc M 6.0-11.0 N 3.5-7.0
394. wjUgvm †ccv‡i eY© cwieZ©‡bi pH mxgv KZ? 405. g„`y ÿviK Øviv g„`y GwmW‡K UvB‡Uªk‡bi †ÿ‡Î cÖkg we›`y‡Z
K 6.0-8.0 L 3.1-4.0 pH cwieZ©‡bi mxgv KZ?
M 1.2-2.8 N 8.3-10 K 3.1-9.7 L 6.0-11
395. A¤øxq `ªe‡Y wjUgvm †ccvi Kx eY© aviY K‡i? M 3.5-7.0 N 0 (k~b¨)
K bxj L jvj 406. CH3COOH I NH4OH `ªe‡Yi UvB‡Uªk‡b e¨eüZ
M njy` N Kgjv wb‡`©kK n‡jv-
396. ÿvixq `ªe‡Y wjUgvm †ccvi Kx eY© aviY K‡i? K wg_vBj A‡iÄ
 |

L ‡dbd_¨vwjb K nvjKv njy` L nvjKv meyR

M ‡h‡Kv‡bv wb‡`©kK M jvj N eY©nxb
N ‡Kv‡bv wb‡`©kKB Dc‡hvMx bq 417. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_©?
407. CH3COOH I NaOH `ªe‡Yi UvB‡Uªk‡b e¨eüZ K NaOH `ªeY L Na2CO3 `ªeY
wb‡`©kK n‡jv- M HCl `ªeY N H2SO4 `ªeY
K ‡dbd_¨vwjb L wg_vBj A‡iÄ 418. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
M wg_vBj †iW N ‡h‡Kv‡bv wb‡`©kK K Na2CO3 `ªeY L K2Cr2O7 `ªeY
408. CH3COOH ebvg NH4OH `ªe‡Yi UvB‡Uªk‡b cÖkgb M HCl `ªeY N A·vwjK GwmW `ªeY
we›`y‡Z pH cwieZ©‡bi mxgv KZ? 419. wb‡Pi †KvbwU cÖgvY `ªeY cÖ¯‘wZ‡Z e¨eüZ nq?
K 9.12-12.0 L 3.1-9.7 K Na2CO3 L Na2S2O3.5H2O
M 3.5-7.0 N 0 (k~b¨) M KMnO4 N NaOH
409. GwmW-ÿvi UvB‡Uªk‡bi wb‡`©kK wn‡m‡e wK e¨envi Kiv 420. wb‡Pi †KvbwU cÖgvY `ªeY cÖ¯‘wZ‡Z e¨eüZ nq bv?
nq?
K cUvwmqvg WvB‡µv‡gU
K mv`v dzj L iwOb dzj
L B‡_b WvB AwqK GwmW
M ‡h‡Kvb Dw™¢` N iwOb cvZv
M Kw÷K †mvWv
410. dz‡ji cvcwoi is cvwb‡Z fv‡jv g‡Zv `ªexf~Z bv n‡j Gi
N Abv`ª© †mvwWqvg Kve©‡bU
mv‡_ Kx †hvM Ki‡Z nq?
421. Na2CO3 `ªeY HCl `ªe‡Yi UvB‡Uªk‡b wb‡`©kK wn‡m‡e
K B_vbj L wg_vbj
e¨envi Kiv nq-
M ‡dbj N ‡ebwRb
K wg_vBj A‡iÄ
411. iwOb Dw™¢` ev dz‡ji cvcwo †_‡K cÖ¯‘Z Kiv hvq-
L ‡dbd_¨vwjb
K cÖfveK L wb‡`©kK
M ‡h‡Kv‡bv wb‡`©kK
M wg_vBj A‡iÄ N ‡dbd_¨vwjb
N ‡Kv‡bv Dchy³ wb‡`©kK †bB
412. wb‡`©kK `ªeY cÖ¯‘wZ‡Z e¨envi Kiv hvq-
422. Na2CO3 GKwU-
K iwOb †Mvjvc L mv`v †Mvjvc
K wØ-GwmWxq ÿvi L wØ-ÿviKxq GwmW
M iRbxMÜv N mv`v Rev
M GK GwmWxq ÿvi N GK ÿviKxq GwmW
413. Rev dz‡ji im GwmW `ªe‡Y Kx eY© aviY K‡i?
423. wb‡Pi †KvbwU GK ÿvixq GwmW?
K ‡Mvjvwc L meyR
K H2SO4 L HCl
M jvj N njy`
M NaOH N NaCl
414. mej GwmW I mej ÿv‡ii cÖkgb we›`y‡Z pH gvb KZ?
424. HCl Gwm‡Wi †gvjvi NbgvÎv ej‡Z eySvq-
K 3.0 L 3.6
K cÖwZ wjUvi `ªe‡Y `ªexf~Z HCl Gi cwigvY
M 7.0 N 9.3
L cÖwZ wgwj `ªe‡Y `ªexf~Z HCl Gi cwigvY
415. GwmW ÿvi wb‡`©kK n‡jv-
M cÖwZ wK‡jvMÖvg `ªe‡Y `ªexf~Z HCl Gi cwigvY
K jvj Rev dz‡ji gvb L njy‡`i im
N cÖwZ MÖvg `ªe‡Y `ªexf~Z HCl Gi cwigvY
M jvj †Mvjv‡ci im N me¸‡jv
425. ‡gvjvi `ªeY = ?
416. 20mL 0.1M NaOH `ªe‡Y Rev dz‡ji gvb im †hvM
K mol. L L mol.L–1
Ki‡j `ªe‡Yi eY© Kxiƒc n‡e?
 |

M L.mol–1 N molL–1K–1 ÿv‡ii NbgvÎv  e¨eüZ ÿv‡ii AvqZb

M =
426. ÔXÕ M 1L HCl `ªe‡Y HCl Gi cwigvY KZ? Gwm‡Wi NbgvÎv  Gwm‡Wi AvqZb
K 36.5 g L 36.5  Xg
Gwm‡Wi †gvj msL¨v
36.5 ÿv‡ii †gvj msL¨v
M g N (36.5+X)g
X
N ÿv‡ii NbgvÎv  Gwm‡Wi NbgvÎv = e¨eüZ
427. Na2CO3 I HCl Gi UvB‡Uªk‡b msNwUZ ivmvqwbK
wewµqvi mwVK mgxKiY †KvbwU? ÿv‡ii AvqZb  Gwm‡Wi AvqZb
432. A·vwjK GwmW I NaOH `ªe‡Yi UvB‡Uªk‡b wb‡`©kK
K Na2CO3+2HCl 2NaCl+H2O+CO2
n‡jv-
L Na2CO3 + 2HCl  NaCl + H2O+2CO2
K wg_vBj A‡iÄ L wg_vBj †iW
M Na2CO3(aq) + 2HCl (aq)  2NaCl(aq)
+ H2O (ℓ) + CO2(g) M ‡dbd_¨vwjb N ‡h‡Kv‡bv wb‡`©kK
N Na2CO3(aq) + 2HCl (aq) 433. ‡hme c`v_© cÖK…wZ‡Z weï× Ae¯’vq cvIqv hvq Ges Zvi
2NaCl(aq) + H2O (ℓ) + CO2(g) `ªeY‡K `xN©w`b †i‡L w`‡jI `ªe‡Yi NbgvÎvi cwieZ©b N‡U
428. HCl `ªe‡Yj MÖvg AvYweK fi- bv, Zv‡`i Kx ejv nq?

K 36.5 L 36.5 g mol–1 K cÖfveK

M 35.5 g mol–1 N 35.5 L ‡m‡KÛvwi ÷¨vÛvW© c`v_©

429. 10mL 0.1M Na2CO3 `ªeY‡K cÖkgb Ki‡Z e¨eüZ M wb‡`©kK
HCl `ªe‡Yi AvqZb 15mL n‡j HCl `ªe‡Yi AvqZb N cÖvBgvwi ÷¨vÛvW© c`v_©
NbgvÎv KZ? 434. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_©?
K 0.033M L 0133 M K H2C2O4.2H2O L CO2
M 1.33M N 0.33M M KMnO4 N Na2S2O3.5H2O
430. ‡h UvB‡Uªk‡b cixÿYxq `ªeY I cÖgvY `ªeYiƒ‡c A¤ø I ÿvi 435. cÖgvY `ªeY ˆZwi‡Z e¨eüZ nq-
`ªeY e¨eüZ nq Zv‡K Kx e‡j?
K cÖfveK L wb‡`©kK
K UvB‡Uªkb L RviY-weRviY UvB‡Uªkb
M cÖvBgvwi ÷¨vÛvW© c`v_©
M A¤ø-ÿvi UvB‡Uªkb N me¸‡jv
N ‡m‡KÛvwi ÷¨vÛvW© c`v_©
431. UvB‡Uªkb wewµqvq e¨eüZ `ªe‡Yi AvqZb I †gvjvi
436. wb‡Pi †KvbwU‡K weï× Ae¯’vq cvIqv hvq bv?
NbgvÎvi g‡a¨ m¤úK© †KvbwU?
K Na2CO3 L NaOH
ÿv‡ii NbgvÎv  e¨eüZ ÿv‡ii AvqZb
K = M K2Cr2O7 N H2C2O4.2H2O
Gwm‡Wi NbgvÎv  Gwm‡Wi AvqZb
437. evqyi ms¯ú‡k© AcwiewZ©Z _v‡K-
ÿv‡ii †gvj msL¨v K Na2C2O4.2H2O L KMnO4
Gwm‡Wi †gvj msL¨v M H2SO4 N Na2S2O3.5H2O
ÿv‡ii AvqZb  Gwm‡Wi AvqZb 438. msiÿY Ki‡j `xN©Kvj weï× _v‡K-
L =
ÿv‡ii NbgvÎv  Gwm‡Wi NbgvÎv K NaOH `ªeY L Na2CO3 `ªeY

ÿv‡ii †gvj msL¨v M H2SO4 `ªeY N HCl `ªeY

Gwm‡Wi †gvj msL¨v 439. evqyi CO2, O2 I Rjxqev®ú Øviv AvµvšÍ nq bv-
K A·vwjK GwmW
 |

L Kw÷K †mvWv L ‡m‡KÛvwi ÷¨vÛvW© c`v_©

M nvB‡Wªv‡K¬vwiK GwmW M ‡mvwWqvg _v‡qvmvj‡dU
N ‡mvwWqvg _v‡qvmvj‡dU NKIL
440. ‡Kvb `ªe‡Yi NbgvÎv `xN©w`b hver AcwiewZ©Z _v‡K? 448. B‡_b WvBAwqK Gwm‡Wi ms‡KZ †KvbwU?
K 0.1M K2Cr2O7 `ªeY K C2H2O4 L Na2S2O3
L 0.1M NaOH `ªeY M C2H4O2 N Na2C2O4
M 0.1M KMnO4 `ªeY 449. ‡hme c`v_© evqyi Dcv`vbmg~n Øviv mn‡R AvµvšÍ nq Ges
Gme c`v‡_©i `ªe‡Yi NbgvÎv mv‡_ mv‡_ cwiewZ©Z n‡q hvq
N 0.2M HCl `ªeY
Zv‡`i‡K Kx ejv nq?
441. wb‡Pi †KvbwU cÖgvY `ªeY ˆZwi‡Z e¨eüZ nq bv?
K weRviK c`v_©
K FeSO4 L Na2CO3
L wb‡`©kK
M K2Cr2O7 N Na2C2O4.2H2O
M cÖvBgvwi ÷¨vÛvW© c`v_©
442. j¨ve‡iUwi‡Z wWwRUvj e¨v‡jÝ ev cj-eyw½ e¨v‡j‡Ýi
mvnv‡h¨ IRb K‡i cÖgvY `ªeY ˆZwi Kiv hvq †KvbwU? N ‡m‡KÛvwi ÷¨vÛvW© c`v_©
K Na2C2O4.2H2O L Na2S2O3.5H2O 450. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
M KMnO4 N NaOH K cUvwmqvg cvig¨v½v‡bU L cUvwmqvg
443. AvqZwbK we‡køl‡Y cÖgvY `ªeY ˆZwi‡Z e¨eüZ nq- WvB‡µv‡gU
K cÖvBgvwi ÷¨vÛvW© c`v_© M A·vwjK GwmW N ‡mvwWqvg Kve©‡bU
L ‡m‡KÛvwi ÷¨vÛvW© c`v_© 451. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?

M ‡mvwWqvg _v‡qvmvj‡dU K H2SO4 L HCl

M Na2S2O5.5H2O N Na2C2O4.2H2O
N cUvwmqvg cvig¨v½v‡bU
452. ‡m‡KÛvwi ÷¨vÛvW© c`v_©-
444. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_© bq?
K weï× Ae¯’vq cvIqv hvq bv
K Na2CO3 L K2Cr2O7
M Na2C2O4.2H2O N Na2S2O3.5H2O L evqyi ms¯ú‡k© cwieZ©b N‡U
445. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_©? M Gi `ªe‡Yi NbgvÎv mg‡qi mv‡_ cwiewZ©Z nq
K ‡KjvwmZ B‡_b WvBAwqK GwmW N meKqwU
L mvjwdDwiK GwmW 453. wb‡Pi †Kvb c`v_© weï× Ae¯’vq cvIqv hvq bv?

M cUvwmqvg cvig¨v½v‡bU K Na2CO3 L K2Cr2O7

M Na2C2O4 N H2SO4
N Kw÷K †mvWv
454. KMnO4 GKwU-
446. cÖvBgvwi ÷¨vÛvW© c`v‡_©i ˆewkó¨ bq †KvbwU?
K weRviK L cÖvBgvwi ÷¨vÛvW© c`v_©
K cÖK…wZ‡Z weï× Ae¯’vq cvIqv hvq
M ‡m‡KÛvwi ÷¨vÛvW© c`v_© NKIM
L evqyi ms¯ú‡k© cwiewZ©Z n‡q hvq
455. evqyi Dcv`vb CO2, O2 I Rjxqev®ú Øviv AvµvšÍ nq-
M wWwRUvj e¨v‡j‡Ý IRb K‡i cÖgvY `ªeY cÖ¯‘Z Kiv hvq
K Abv`ª© †mvwWqvg Kve©‡bU L A·vwjK
N `ªe‡Yi NbgvÎv `xN©w`b AcwiewZ©Z _v‡K
GwmW
447. ‡KvbwU weï× Ae¯’vq cvIqv hvq Ges `xN©w`b weï× _v‡K?
M Na A·v‡jU N Kw÷K †mvWv
K cÖvBgvwi ÷¨vÛvW© c`v_©
456. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
 |

K NaCl L NaOH M5 N 12
M Na2CO3 N Na2C2O4.2H2O 466. KMnO4 Gi AvYweK fi KZ?
457. evqyi ms¯ú‡k© Avm‡j f‡ii cwieZ©b nq bv †KvbwUi? K 158 L 158 g
K K2Cr2O7 L KMnO4 M 258 N 258g
M Na2S2O3.2H2O N HCl 467. KMnO4 Gi MÖvg AvYweK fi KZ?
458. evqyi ms¯ú‡k© f‡ii cwieZ©b N‡U †KvbwUi? K 158 mol–1 L 158g mol–1
K K2Cr2O7 L Na2C2O4.2H2O M 160g mol–1 N 160 mol–1
M Na2S2O3.5H2O N Na2CO3 468. 1M NbgvÎvi 1L KMnO4 `ªeY cª¯‘wZ‡Z cÖ‡qvRbxq
459. mg‡qi mv‡_ `ªe‡Yi NbgvÎv cwiewZ©Z nq †KvbwUi? KMnO4 Gi cwigvY KZ?
K H2SO4 `ªeY L Na2CO3 `ªeY K 15.8 g L 1.58 g
M K2Cr2O7 `ªeY N H2C2O4.2H2O `ªeY M 158 N 158g
460. wb‡Pi †Kvb c`v_©wU e¨v‡j‡Ýi ÿwZ K‡i? 469. 0.1M NbgvÎvi 1L `ªeY cÖ¯‘wZ‡Z cÖ‡qvRbxq KMnO4
Gi cwigvY KZ?
K A·vwjK GwmW L ‡mvwWqvg _v‡qvmvj‡dU
K 158g L 1.58 g
M ‡mvwWqvg Kve©‡bU N ‡mvwWqvg A·v‡jU
M 15.8 g N 0.158 g
461. wb‡Pi †KvbwU e¨v‡j‡Ýi ÿwZ K‡i bv?
470. 0.1M NbgvÎvi 200mL `ªeY cÖ¯‘wZ‡Z cÖ‡qvRbxq
K HCl L KMnO4
KMnO4 Gi cwigvY KZ?
M K2Cr2O7 N KOH
K 15.8 g L 1.58 g
462. A·vwjK GwmW GKwU-
M 3.16g N 3.25g
K kw³kvjx weRviK
471. KMnO4 Gi mv‡_ †fRvj wn‡m‡e Kx _v‡K?
L cÖvBgvwi ÷¨vÛvW© c`v_©
K Mn L O2
M ‡m‡KÛvwi ÷¨vÛvW© c`v_© M MnO2 N MnO4
NKIL 472. ‡KjvwmZ A·vwjK Gwm‡Wi MÖvg AvYweK fi KZ?
463. 2KMnO4 + 3H2SO4 + 5H2C2O4K2SO4 + K 136 g L 126 g
2MnSO4 + 8H2O + 10CO2 wewµqv Abymv‡i †KvbwU
M 90 g N 108 g
mwVK?
473. 0.05 NbgvÎvi 250mL `ªeY cÖ¯‘wZ‡Z A·vwjK Gwm‡Wi
K 2 mole KMnO4  5 mole H2C2O4 KZ MÖvg cÖ‡qvRb?
L 1000mL 2M KMnO4 `ªeY  1000mL 5M K 15.75 g L 1.575 g
H2C2O4 `ªeY
M 25.2 g N 2.52g
M 1 mole KMnO4 = 5 mole H2C2O4 474. 1.575 g A·vwjK Gwm‡Wi IRb Kiv nq Kx‡mi gva¨‡g?
NKIL K cj-eyw½ e¨v‡jÝ
2
464. 5C2O  ne 
4 10CO2 ; GLv‡b n Gi gvb KZ? L 4 wWwRU wWwRUvj e¨v‡jÝ
K5 L7 M 2-wWwRU wWwRUvj e¨v‡jÝ
M4 N 10 NKIL
  2
465. 2MnO  16 H  ne 
4  2Mn  8H 2 O 475. 0.1M NbgvÎvi 200mL `ªeY cÖ¯‘Z Ki‡Z wb‡Pi †KvbwU
wewµqvq n Gi gvb KZ? cÖ‡qvRb?
K 10 L8
 |

K 200mL weKvi K cvwbi Dcw¯’wZ‡Z

L 1000 mL weKvi L mvjwdDwiK Gwm‡Wi Dcw¯’wZ‡Z
M 200 mL AvqZbwgwZK d¬v¯‹ M MnO2 Gi Dcw¯’wZ‡Z
N 1000 mL AvqZbwgwZK d¬v¯‹ N HCl Gi Dcw¯’wZ‡Z
476. 0.05M NbgvÎvi 250 mL `ªeY cÖ¯‘wZ‡Z KZ AvqZ‡bi 485. cÖgvY KMnO4 `ªeY Øviv-
AvqZbwgwZK d¬v¯‹ cÖ‡qvRb? K Fe3+ Avqb RvwiZ n‡q Fe2+ nq
K 1000mL L 250 mL L Fe3+ Avqb weRvwiZ n‡q Fe2+ nq
M 150 mL N 500 mL M Fe2+ Avqb RvwiZ n‡q Fe3+ nq
477. KMnO4 Gi we‡qvRb‡K e„w× K‡i-
N Fe2+ Avqb weRvwiZ n‡q Fe3+ nq
K a~wjKYv L ‰RweK c`v_©
486. MnO 4 g~jK KqwU B‡jKUªb Z¨vM ev cÖeY Mn2+ Avq‡b
M Av‡jv N meKqwU cwiYZ nq?
478. UvB‡UªkbKv‡j cÖ_‡g KMnO4 Gi eY© cwieZ©b-
K 10wU B‡jKUªb MÖnY L 5wU B‡jKUªb MÖnY
K `ªæZ N‡U L ax‡i N‡U
M 10wU B‡jKUªb Z¨vM N 5wU B‡jKUªb Z¨vM
M Lye ax‡i N‡U N N‡U bv 487. 10Fe2+ Avq‡b cwiYZ n‡Z KqwU B‡jKUªb Z¨vM ev MÖnY
479. KMnO4 `ªeY‡K A·vwjK GwmW `ªeY Øviv UvB‡UªkbKv‡j K‡i?
†Kvb wb‡`©kK e¨envi Kiv nq?
K 1wU B‡jKUªb MÖnY Ki‡Z nq
K wg_vBj A‡iÄ L ‡dbd_¨vwjb
L 1wU B‡jKUªb Z¨vM Ki‡Z nq
M wg_vBj †iW N wb‡`©k‡Ki cÖ‡qvRb ‡bB
M 10wU B‡jKUªb MÖnY Ki‡Z nq
480. KMnO4 `ªe‡Yi eY© wKiƒc?
N 10wU B‡jKUªb Z¨vM Ki‡Z nq
K ‡e¸wb L ‡Mvjvwc
488. ‡mv`K †divm mvj‡d‡Ui ms‡KZ †KvbwU?
M bxj N njy`
K FeSO4.7H2O L Fe2(SO4)3.7H2O
481. UvB‡Uªkb †k‡l ey¨‡i‡Ui MnO4 Gi `vM‡K Acmvi‡Yi M FeSO4 N Fe2(SO4)3
Rb¨ ey‡iU‡K ay‡Z nq †KvbwU Øviv?
489. wMÖb wfwUªI‡ji ms‡KZ †KvbwU?
K FeSO4 `ªeY L H2CO3 `ªeY
K ZnSO4.7H2O L MgSO4.5H2O
M Na2CO3 `ªeY N NaSO4 `ªeY M FeSO4,7H2O N CuSO4.5H2O
482. 2KMnO4 + 3H2SO4 + 5H2C2O4  K2SO4 + 490. FeSO4.7H2O Gi AvYweK fi KZ?
2MnSO4 + 8H2O +10CO2 UvB‡Uªk‡bi g~jZË¡
K 152 L 278
†KvbwU?
M 152g N 278 g
K 5V1  M1(KMnO4)=2V2  M2(H2C2O4)  
491. MnO  8H  5e 
 X  4H 2O Aa© wewµqvq
L 2V1  M1(KMnO4)=5V2  M2(H2C2O4) 4

X=?
M 2V1  M1(H2SO4)=5V2  M2(H2C2O4)
K Mn L Mn2+
N V1  M1(KMnO4)= V2  M2(H2C2O4
M Mn4+ N MnO2
483. UvB‡Uªk‡bi †k‡l ey¨‡i‡Ui †Kvb cvV ‡`Lv Riæwi?
492. wb‡Pi †KvbwU ¯^-wb‡`©kK wn‡m‡e KvR K‡i?
K cÖ_g cvV L ga¨ cvV
K ‡dbd_¨vwjb L wg_vBj A‡iÄ
M ‡kl cvV N ‡Kv‡bvwUB bq
M KMnO4 N H2SO4
484. KMnO4 kw³kvjx RviKiƒ‡c wµqv K‡i-
 |

493. 250mL 0.1M K2Cr2O7 `ªe‡Y `ª‡ei cwigvY KZ? 502. weqvi eY©hy³ `ª‡ei `ªe‡Yi NbgvÎv wbY©‡q †Kvb mgxKiYwU
K 73.5 g L 7.35 g e¨envi K‡ib?
M 0.75 g N 9.38 g I0
K 2.303 log  Kt L log T   KC
2+
494. Cu `ªe‡Y KwVb KI †hvM K‡i gy³ Kiv nq- It

K Kcvi L Av‡qvwWb It
M 2.303 log  Kt N log T   Kb
M cUvwmqvg N mvj‡dU I0

495. wbw`©ó ZxeªZvi Av‡jvKiwk¥ GKwU mgmË¡ `ªe‡Yi Dci 503. `ªe‡Yi NbgvÎv I Av‡jvK ZxeªZv n«v‡mi g‡a¨ m¤úK© ¯’vcb
AvcwZZ n‡j GwU Kqfv‡e wef³ n‡q hvq? K‡ib †K?
K `yB fv‡M L wZb fv‡M K j¨v¤^vU© L weqvi
M Pvi fv‡M N Qq fv‡M M evDRvi N Wvëb
496. g~j iwk¥i ZxeªZv‡K wb‡Pi †KvbwU Øviv cÖKvk Kiv nq? 504. weqvi KZ mv‡j `ªe‡Yi NbgvÎv I Av‡jvK ZxeªZv n«v‡mi
g‡a¨ m¤úK© ¯’vcb K‡ib?
K I0 L Ir
M Ia N It K 1853 mv‡j L 1852 mv‡j
497. `ªe‡Yi NbgvÎv wbY©‡q e¨eüZ nq- M 1752 mv‡j N 1653 mv‡j
K weqvi j¨vgevU© m~Î L ivD‡ëi m~Î 505. ‡kvwlZ †iwW‡qk‡bi cwigv‡Yi mv‡_ `ªe‡Yi NbgvÎvi
m¤úK© cÖKvk K‡i †KvbwU?
M Pvj©‡mi m~Î N e‡q‡ji m~Î
K weqv‡ii m~Î L j¨v¤^v‡U©i m~Î
498. `ywU †m‡ji GKwU‡Z `ªeY I Ab¨wU‡Z `ªveK †i‡L G‡`i ga¨
w`‡K GKeYx© Av‡jvKiwk¥ cÖevwnZ Ki‡j Dfq‡ÿ‡Î- M MÖvnv‡gi m~Î N evDRv‡ii m~Î
K cÖwZdwjZ iwk¥i cwigvY GKB nq 506. weqvi evDRvi j¨v¤^vU© m~·K ms‡ÿ‡c ejv nq-
L cÖwZdwjZ iwk¥i cwigvY wfbœ nq K evDRv‡ii m~Î L j¨v¤^v‡U©i m~Î
M cÖwZdwjZ iwk¥i cwigvY wظY nq M weqv‡ii m~Î N ‡Kv‡bvwUB bq
N cÖwZdwjZ iwk¥i cwigvY Amgvb nq 507. ‡Kv‡bv ¯^”Q gva¨‡gi ga¨w`‡q GKwU wbw`©ó Zi½‰`‡N¨©i
GKeYx© Av‡jv cÖevwnZ Ki‡j gva¨‡gi cyiæ‡Z¡i mv‡_
499. AvcwZZ I cÖevwnZ Av‡jv‡Ki ZxeªZvi Dci j¨v¤^vU© KZ
Av‡jv‡Ki ZxeªZv n«v‡mi nvi Av‡jvK ZxeªZvq-
mv‡j cixÿv-wbixÿv K‡ib?
K e‡M©i mgvbycvwZK L e‡M©i e¨¯ÍvbycvwZK
K 1768 mv‡j L 1868 mv‡j
M mgvbycvwZK N e¨¯ÍvbycvwZK
M 1968 mv‡j N 1758 mv‡j
508. ‡Kv‡bv `ªe‡Yi ga¨w`‡q GKeY©x Av‡jv cÖevwnZ Ki‡j
500. AvcwZZ Av‡jvi ZxeªZv I gva¨‡gi cyiæZ¡ t n‡j wb‡Pi
AvcwZZ Av‡jvK iwk¥i ZxeªZv n«vm `ªe‡Yi cyiæZ¡ I `ªe‡Yi
†KvbwU mwVK?
NbgvÎvi-
dI dI
K I L  I K e¨¯ÍvbycvwZK L mgvbycvwZK
dt dt
M e‡M©i e¨¯ÍvbycvwZK N e‡M©i mgvbycvwZK
dI dI
M I N  I 509. ‡Kv‡bv `ªe‡Yi ga¨w`‡q GKeYx© Av‡jv cÖevwnZ Ki‡j
dt dt
AvcwZZ Av‡jvK iwk¥i ZxeªZvi n«vm `ªe‡Yi cyiæZ¡ I `ªe‡Yi
501. gva¨‡gi cyiæZ¡ I Av‡jvK ZxeªZv n«v‡mi g‡a¨ m¤úK© ¯’vcb
NbgvÎvi-
K‡ib †K?
K e¨¯ÍvbycvwZK L mgvbycvwZK
K weqvi L j¨v¤^vU©
M e‡M©i e¨¯ÍvbycvwZK N e‡M©i mgvbycvwZK
M Wvëb N evDRvi
 |

510. 25% I0 †iwW‡qkb b ˆ`‡N¨©i c_ AwZµ‡gi mgq †kvwlZ KT Lt

n‡j Aewkó kw³i cwigvY- M NA
K 50% I0 L 75% I0 521. `ªe‡Yi NbgvÎv wbY©‡qi mgxKiY †KvbwU?
M 70% I0 N 65% I0 K A = bc L A = bc
511. wb‡Pi †KvbwU evDRv‡ii m~Î? M T = abc N T = bc
K log T   KC L log T   Kb 522. `ªe‡Yi NbgvÎv wbY©‡qi wb‡Pi †Kvb mgxKiY e¨eüZ nq?
M log T  abc N log T  Kb 1
K A = bc L log  bc
512. wb‡Pi †KvbwU mwVK? T
1 M log T = bc N log A = bc
K A   log T L A  log
T 523. †Kv‡bv `ªe‡Yi ga¨w`‡q GKeYx© Av‡jv cÖevwnZ Ki‡j
I0 Av‡jvK iwk¥i ZxeªZv-
M A  log N me¸‡jv
I K n«vm cvq L e„w× cvq
513. NbgvÎvi GKK †KvbwU? M AcwiewZ©Z _v‡K N wظY e„w× cvq
K MÖvg/wjUvi L MÖvg-wjUvi 524. AYy KZ…K
© †kvwlZ Av‡jv KqwU bxwZi mvnv‡h¨ e¨vL¨v Kiv
M wjUvi/MÖvg N wjUvi3 hvq?
514. GeRi‡eÝ cwiewZ©Z nq- K 1wU L 2wU
K Zi½‰`‡N¨©i mv‡_ L gva¨‡gi cyiæ‡Z¡i mv‡_ M 3wU N 4wU
M `ªe‡Yi NbgvÎvi mv‡_ N ‡Kv‡bvwUi mv‡_B bq 525. AYy KZ…K© †kvwlZ Av‡jv e¨vL¨v Kiv hvq †Kvb bxwZi
mvnv‡h¨?
515. ‡gvj GK‡K †kvwlZ e¯‘i IRb‡K ejv nq-
K j¨v¤^vU© bxwZ L weqvi bxwZ
K UªvÝwg‡UÝ L ‡gvjvi GeRiwewU
M Pvj©‡mi bxwZ NKIL
M ‡gvjvi fi N ‡gvjvi AvqZb
526. weqvi-j¨v¤^vU© m~‡Îi MvwYwZK iƒc †KvbwU?
516. AwZ †e¸wb I `„k¨gvb eYv©jxwgwZ cixÿvq e¨envi Kiv nq-
I I
K 1m ˆ`‡N¨©i †mj L 1cm ˆ`‡N¨©i †mj K  e  kx L  e  k cx
I0 I0
M 0.1cm ˆ`‡N¨©i †mj N 2cm ˆ`‡N¨©i †mj
I dI
517. GeRiwewU () Gi GKK †KvbwU? M T N   KI
I0 dx
K L.cm–1mol–1 L mol.L–1cm
527. Kcvi (II) Gi  max KZ?
M L.molcm–1 N mol.cm.L
K 606 nm L 506 nm
518. wb‡Pi †KvbwU †eqv‡ii m~Î bv‡g cwiwPZ?
M 406 nm N 670 nm
K log T   Kb L log T   KC
528. AvcwZZ Av‡jvK iwk¥i ZxeªZv GK-`kgvsk n«vm Ki‡Z H
M log T  abc N ‡Kv‡bvwUB bq gva¨‡gi †h cyiæZ¡ cÖ‡qvRb nq, Gi e¨¯ÍvbycvwZK ejv nq-
519. g~j iwk¥i ZxeªZv I0 cÖwZdwjZ iwk¥i ZxeªZv Ir, ‡kvwlZ K GeRi‡eÝ L UªvÝwg‡UÝ
iwk¥i ZxeªZv, Ia Ges cÖevwnZ iwk¥i ZxeªZv If n‡j-
M G·wU¼kb ¸Yv¼ N we‡kvlY
K If  I0  I r  Ia L Ia  I0  I t  If
529. G·wU¼kb ¸Yv‡¼i CGS GKK †KvbwU?
M I0  I r  Ia  I t N I r  I0  I t  Ia K cm–1 L m–1
520. UªvÝwg‡U݇K wb‡Pi †KvbwU Øviv cÖKvk Kiv nq? M mm–1 N nm–1
 |

530. ‡¯úK‡UªvwgUv‡i 1cm ˆ`N¨©wewkó †m‡j `ªeY †i‡L Gi I0 I

K A  log L  e  abc
we‡kvlY cvIqv ‡Mj 0.156| `ª‡ei †gvjvi †kvlY mnM I I0
1.2104 n‡j `ªeYwUi NbgvÎv KZ? M A = abc N me¸‡jv
–5 –1 –5 –1
K 1.310 mol.L L 1.310 L.mol 539. GeRi‡eÝ (A) ebvg NbgvÎv (C) Kvf© †KvbwU?
–4 –1
M 1.810 Lmol N 1.810–4 mol.L–1
531. wbw`©ó †gŠwjK c`v_© kbv³KiY I cwigvY wbY©‡q e¨eüZ
K L

A
c×wZ †KvbwU?

C
C A
K weqvi j¨v¤^vU© m~Î
L cvigvYweK †kvlY eYv©jx
M D”P `ÿZvm¤úbœ Zij †µvgv‡UvMÖvdx
M N

C
N M¨vm †µvgv‡UvMÖvdx C A
532. cvigvYweK †kvlY eYv©wj‡Z bgybv `ªeY‡K wkLvq- wn‡m‡e 540. cvigvYweK †kvlY eYv©wj‡Z B‡jKUªb wbw`©ó Zi½‰`‡N¨©i
†¯úª Kiv nq? kw³ †kvlY K‡i KZ mg‡qi Rb¨ D”PZi AiweUv‡j DbœxZ
K eo KYv L m~²KYv nq?
M KjqWxq KYv N Zij K wgwj †m‡KÛm L ‡m‡KÛ
533. cvigvYweK †kvlY eYv©jx‡Z wkLvq †¯úªK…Z bgybv¯’ †gŠj M b¨v‡bv †m‡KÛm N wgwbU
iƒcvšÍwiZ nq? 541. avZzi wkLv cixÿvq m„ó D¾¡j wewKiY eYv©wj I Kv‡jv †kvlY
K AvYweK ev‡®ú L cvigvYweK ev‡®ú eYv©wji Zi½‰`N¨© KZ?
M AYy‡Z N cigvYy‡Z K wfbœ
534. cvigvYweK †kvlY eYv©wj‡Z †gŠj KZ…©K †iwW‡qkb †kvl‡Yi L GKB
Drm †KvbwU?
M ZvcgvÎvi Dci wbf©i K‡i
K cixÿYxq †gŠ‡ji AYy L cixÿYxq †gŠ‡ji cigvYy
N NbgvÎvi Dci wbf©i K‡i
M Na-cigvYy N K-cigvYy 542. Na-Gi D¾¡j wewKiY eYv©jxi Zi½‰`N¨© KZ?
535. cvigvYweK †kvlY eYv©wj‡Z †gŠj KZ…©K †iwW‡qkb †kvl‡Yi
K 380 nm L 350 nm
Drm †KvbwU?
M 490 nm N 590 nm
K ‡mvwWqvg j¨v¤ú L U¨vs‡÷b j¨v¤ú
543. Na-Gi Kv‡jv †kvlY eYv©wj Zi½‰`N¨© KZ?
M wWD‡Uwiqvg j¨v¤ú N n‡jv K¨v‡_vW j¨v¤ú
K 590 nm L 390 nm
536. Drm n‡Z wbM©Z †iwW‡qk‡bi Zi½‰`N¨© wkLvq we`¨gvb-
M 380 nm N 480 nm
Øviv †kvwlZ Zi½‰`‡N¨©i Abyiƒc|
544. cvigvYweK †kvlY eYv©wj‡Z m„ó eYv©wj‡iLvi cÖk¯ÍZv gvcv
K cigvYy L AYy nq †Kvb GK‡K?
M ‡hŠM N cigvYy I AYy K wgwjwgUvi (mm) L wc‡KvwgUvi (pm)
537. cvigvYweK †kvlY eYv©wj‡Z cigvYy KZ…K
© †kvwlZ M ‡mw›UwgUvi (cm) N b¨v‡bvwgUvi (nm)
†iwW‡qkb †Kvb m~Î AbymiY K‡i?
545. ‰e‡kølwYK imvq‡b GKwU bgybvq Dcw¯’Z GKwU wbw`©ó
K e‡q‡ji m~Î L MÖvnv‡gi m~Î Dcv`v‡bi NbZ¡ wbY©q Kiv hvq †Kvb c×wZ‡Z?
M Pvj©‡mi m~Î N weqv‡ii m~Î K cvigvYweK †kvlY eY©vwj L AvYweK
538. wb‡Pi †KvbwU mwVK? †kvlY eYv©wj
 |

M UV-Vis eYv©wj N HPLC 554. HOMO ej‡Z eySvq-

546. UV iwk¥i Zi½‰`N¨© AÂj KZ? K wb¤œZi AbwaK…Z AvYweK AiweUvj
K 200-375 nm L 375-780 nm L wb¤œZi AwaKZ… AvYweK AiweUvj
M 100-200 nm N 375-525 nm M m‡ev©”P AbwaK…Z AvYweK AiweUvj
547. Visible iwk¥i Zi½‰`N¨© AÂj KZ? N m‡ev©”P AwaK„Z AvYweK AiweUvj
K 200-475 nm L 375-780 nm 555. HOMO Gi c~Y©iƒc †KvbwU?
M 200-800 nm N 200-375 nm K Lowest Unoceupied Molecular Orbital
548. wewKiY †kvlY AYyi Af¨šÍixY kw³‡K- L Highest Unoccupied Molecular Orbital
K n«vm K‡i L e„w× K‡i M Highest Occupied Molecular Orbital
M AcwiewZ©Z iv‡L N wظY e„w× K‡i N Higher Occupied Molecular Orbital
549. AvYweK c`v‡_©i ewnt¯’ †Lvj‡Ki B‡jKUªb AiweUvj †_‡K 556. LUMO ej‡Z Kx eyS?
D”P¯Í‡i B‡jKUª‡bi Ae¯’všÍ‡ii d‡j D™¢e nq- K m‡ev©”P AwaK…Z AvYweK AiweUvj
K B‡jKUªbxq eYv©wj L m‡ev©”P AbwaK…Z AvYweK AiweUvj
L cvigvYweK †kvlY eYv©wj M me©wb¤œ AwaK…Z AvYweK AiweUvj
M cvigvYweK wewKiY eYv©wj N me©wb¤œ AbwaK…Z AvYweK AiweUvj
N Ae‡jvwnZ eYv©wj 557. HOMO-LUMO e¨eavb n«vm cvq †hŠ‡Mi-
550. B‡jKUªbxq eYv©wj‡Z †hŠM KZ…©K Zwor Pz¤^Kxq eYv©wji †Kvb K KbRy‡Mkb e„w× †c‡j L KbRy‡Mkb n«vm †c‡j
A‡ji †iwW‡qkb †kvlY cwigvc Kiv nq?
M Zi½‰`N¨© e„w× †c‡j N Zi½‰`N¨© n«vm †c‡j
K Zi½msL¨v L ‡kvwlZ Zi½‰`N¨©
558. LUMO Gi c~Y©iƒc Kx?
M ‡kvwlZ kw³ N `ªe‡Yi NbgvÎv
K Lower Occupied Molecular Orbital
551. B‡jKUªbxq eYv©wj‡Z GKwU †hŠM‡K wPwýZ Kivi Rb¨
L Lower Unoccupied Molecular Orbital
e¨envi Kiv nq-
M Lowest Occupied Molecular Orbital
K AwZ‡e¸wY `„k¨gvb L gvB‡µvI‡qf
N Lowest Unoccupied Molecular Orbital
M Ae‡jvwnZ N ‡eZvi Zi½
559. B‡jKUªbxq eYv©wj‡Z - †kvl‡Yi Ae¯’vb `xN©Zi
552. ‡hŠM KZ…©K UV-VIS †iwW‡qkb †kvwlZ n‡j- Zi½‰`‡N¨© m‡i Av‡m †hŠ‡Mi-
K B‡jKUª‡bi †kvlY N‡U K KbRy‡Mkb e„w× †c‡j L KbRy‡Mkb n«vm †c‡j
L B‡jKUª‡bi avcvšÍi N‡U M AvYweK fi e„w× †c‡j N AvYweK fi n«vm †c‡j
M ‡cÖvU‡bi avcvšÍi N‡U 560. B‡jKUªbxq eYv©wj‡Z ‡hŠM KZ…©K †iwW‡qkb †kvl‡Yi gvÎv
N B‡jKUª‡bi wewKiY N‡U wbf©i K‡i-
553. B‡jKUªbxq eYv©wj‡Z †hŠM KZ©„K †iwW‡qkb †kvwlZ n‡j- K bgybvi NbgvÎvi Dci
K B‡jKUªb wb‡Pi kw³¯Íi n‡Z D”PZi kw³¯Í‡i L AvYweK KvVv‡gvi Dci
DcbxZ nq M bgybvi NbgvÎv I AvYweK KvVv‡gvi Dci
L B‡jKUªb D”PZi kw³¯Íi n‡Z wb‡Pi kw³¯Í‡i N Zi½‰`‡N¨©i Dci
DcbxZ nq
561. AYy‡Z B‡jKUªb avcvšÍi m„wó K‡i †KvbwU?
M B‡jKUª‡bi †kvlY N‡U
K AwZ †e¸wY I `„k¨gvb iwk¥ †kvlY
N B‡jKUª‡bi wewKiY N‡U
 |

L Ae‡jvwnZ iwk¥ †kvlY L AwZ †e¸wY GjvKvq †kvlY N‡U e‡j

M gvB‡µvI‡qf iwk¥ †kvlY M gvB‡µvI‡qf GjvKvq †kvlY N‡U e‡j
N ‡Kv‡bvwUB bq N Ae‡jvwnZ GjvKvq †kvlY N‡U e‡j
562. B‡jKUªb ¯’vbvšÍ‡ii Rb¨ cÖ‡qvRbxq kw³ †KvbwU? 569. ‡hme  eÜbhy³ g~jK `„k¨gvb Av‡jvi cwim‡ii k³ Zi½
K 40-300 kCal/mole †kvlY K‡i Ges †hŠM eY©hy³ †`Lvq, Zv‡`i ejv nq-
L 40-500 kCal/mole K A‡·v‡µvg L ‡µv‡gv‡dvi
M 300-500 kCal/mole M Kvh©Kix g~jK N ‡µv‡gvcøv÷
N 40-300 kJ/mole 570. ‡ebwRb ej‡qi mev©waK †kvlY Zi½ (max) Gi gvb KZ?
563. B‡jKUªbxq avcvšÍ‡ii Rb¨ †hme AYyi AwaK kw³ cÖ‡qvRb K 255 nm L 280 nm
†m¸‡jv †kvlY K‡i- M 215 nm N 355 nm
K `xN©Zi Zi½‰`N¨© ‡iwW‡qkb 571. -K¨v‡ivwU‡bi max KZ?
L ÿz`ªZi Zi½‰`N¨© †iwW‡qkb K 499 nm L 451 nm
M ga¨g Zi½‰`N¨© †iwW‡qkb M 351 nm N 399 nm
N ÿz`ªZi Zi½msL¨vi †iwW‡qkb 572. -K¨v‡ivwUb †Kv_vq cvIqv hvq?
564. B‡jKUªb avcvšÍ‡ii Rb¨ †hme AYyi Kg kw³ cÖ‡qvRb K MvR‡i L Avjy‡Z
†m¸‡jv †kvlY K‡i-
M Kjvq N ‡cu‡c‡Z
K `xN©Zi Zi½‰`N¨© †iwW‡qkb 573. UV-Vis eYv©wj‡Z bgybv‡K Av‡jvK Dr‡mi m¤§y‡L ¯’vcb
L ÿz`ªZi Zi½‰`N¨© †iwW‡qkb Kiv nq-
M ga¨g Zi½‰`N¨© †iwW‡qkb K KwVb AvKv‡i L `ªeY AvKv‡i
N ‡KvbwUB bq M M¨vmxq AvKv‡i N Zij AvKv‡i
565. ‡Kvb ai‡bi AYyi †ejvq UV-Vis †kvlY eYv©wj cÖ‡hvR¨? 574. AwZ †e¸wY Av‡jvi Drm wn‡m‡e e¨eüZ nq †KvbwU?
K cvB () B‡jKUªbhy³ ev bb ewÛs B‡jKUªb hy³ †hŠM K wWD‡Uvwiqvg j¨v¤ú L Uvs‡÷b j¨v¤ú
L ewÛs B‡jKUªbhy³ †hŠM M ‡mvwWqvg j¨v¤ú N mvaviY j¨v¤ú
M wmMgv B‡jKUªbhy³ †hŠM 575. UV-Vis eYv©wjKvi‡K Av‡jvK Dr‡mi m¤§y‡L KqwU †Kvl
N ïaygvÎ cvB () B‡jKUªbhy³ †hŠM ¯’vcb Kiv nq?
566. wmMgv e܇bi B‡jKUªb‡K DÏxwcZ Ki‡Z kw³ Zi½‰`‡N¨©i K 1wU L 2wU
gvb KZ? M 3wU N 4wU
K 200 nm Gi Kg L 200 nm Gi †ewk 576. UV-Vis eYv©wj‡Z AvYweK AiweUv‡ji B‡jKUªb †kvlY
M 300-700 nm N 200-800 nm K‡i-
567. wb‡Pi †Kvb †hŠ‡M `xN© Zi½‰`N¨© iwk¥ mev©waK †kvwlZ nq? K `„k¨gvb Av‡jv L near-uv Av‡jv
K A¨vjwWnvBW I wK‡Uvb L KbRy‡M‡UW M gvB‡µvI‡qf NKIL
cwj-Bb 577. HPLC Gi c~Y©iƒc †KvbwU?
M A¨vj‡Kvnj N nvB‡WªvKve©b K Higher Performance Liquid Chromatography
568. A‡bK ˆRe †hŠM eY©hy³ nq †Kb? L Highest Perfomance Liquid Chromatography
K `„k¨gvb GjvKvq †kvlY N‡U e‡j M High Performance Liquid Chromatography
N High Performance Liquied Coloumn
 |

578. eZ©gv‡b we‡kølYx imvq‡b kw³kvjx cÖhyw³ wn‡m‡e mve©Rbxb K M¨vm Zij †µvgv‡UvMÖvdx
¯^xK…wZ jvf K‡i‡Q †KvbwU? L M¨vm KwVb †µvgv‡UvMÖvdx
K HPLC L GLC M M¨vm †µvgv‡UvMÖvdx
M GSC N GC N mbvZb Zij †µvgv‡UvMÖvdx
579. Zi‡j `ªexf~Z †h‡Kv‡bv bgybvq c„_KxKi‡Yi kbv³KiY I
588. mvaviY Zij †µvgv‡UvMÖvdxi cÖwµqvq bgybv‡K cÖ‡ek
gvwÎK we‡køl‡Yi Abb¨ c×wZ †KvbwU?
Kiv‡bv nq-
K GC L GLC
K KwVb Pjgvb `kvq L Zij Pjgvb `kvq
M HPLC N TLC
M Zij w¯’i `kvq N KwVb w¯’i `kvq
580. HPLC cÖhyw³i me©wb¤œ we‡kølY gvÎv KZ?
589. mvaviY Zij †µvgv‡UvMÖvdx‡Z cÖev‡ni nvi mvaviYZ KZ?
K cvU©m cvi wgwjqb (ppm)
K 0.1 cm2min–1 L 0.1 m3min–1
L cvU©m cvi wewjqb (ppb)
M 0.1 m3s–1 N 0.1 cm2s–1
M cvU©m cvi wUªwjqb (PPT)
590. mvaviY Zij †µvgv‡UvMÖvdxi bZzb ms¯‹iY †KvbwU?
N cvU©m cvi wgwjMÖvg (ppmg) K GLC L TLC
581. PPT Gi c~Y©iƒc †KvbwU? M HPLC N GC
K Parts Per Trillion L Parts Par Trillion 591. mvaviY Zij †µvgv‡UvMÖvdxi bZzb ms¯‹iY wn‡m‡e HPLC
M Parts Per Billion N Parts Par Billion cÖhyw³i D™¢e nq-
582. ‡h‡Kv‡bv ai‡bi bgybvi †ÿ‡Î ---- cÖhyw³i e¨envi djcÖm~| K Avwki `k‡K L lv‡Ui `k‡K
K GLC L TLC M cÂv‡ki `k‡K N beŸB‡qi `k‡K
M HPLC N GC 592. HPLC †Z Pjgvb `kv‡K KZ Pv‡c cv¤ú Kiv nq?
583. ‡Kvb ai‡bi bgybvi †ÿ‡Î HPLC cÖhyw³i e¨envi djcÖm~? K cÖvq 200 psi L cÖvq 100 psi
K ‰Re L A‰Re M cÖvq 400 psi N cÖvq 300 psi
M RwUj N ‡h‡Kv‡bv ai‡bi 593. HPLC ‡Z e¨eüZ Kjv‡gi ˆ`N¨© KZ?
584. e„nr e¨vmwewkó Kjvg, wb¤œcÖevn nvi A_ev wb¤œPvc cvw¤ús K 10-25 cm L 10-25 m
e¨envi K‡i c„_KxKiY m¤úbœ nq †Kvb cÖwµqvq?
M 20-30 cm N 20-30 m
K D”P `ÿZv Zij †µvgv‡UvMÖvdx
594. HPLC †Z Kjv‡gi bgybv †cÖiY Kiv nq-
L Zij †µvgv‡UvMÖvdxi mbvZb cÖwµqv
K wmwi‡Äi gva¨‡g L cv‡¤úi gva¨‡g
M M¨vm †µv‡gv‡UvMÖvdx
M nvZ w`‡q ‡X‡j N ey¨‡i‡Ui gva¨‡g
N cvZjv ¯Íi †µvgv‡UvMÖvdx 595. HPLC †Z bgybv cÖ‡qvM Kiv nq-
585. wb‡Pi †Kvb `ywUi g‡a¨ A‡bK †KŠkjMZ mv`„k¨ we`¨gvb?
K Kjv‡gi wb¤œfv‡M L Kjv‡gi ga¨fv‡M
K GLC I HPLC L GSC I HPLC
M Kjv‡gi Dcwifv‡M N ‡Kv‡bvwUB bq
M TLC I HPLC N GLC I TLC 596. HPLC Gi †ejvq mwµq †kvlK KjvgwUi e¨eüZ wmwjKv
586. HPLC Gi †KŠkj I hš¿vq‡bi cÖviw¤¢e Dbœqb ïiæ nq ev cwjgvi e¯‘i AvKvi Kxiƒc?
‡KvbwU †_‡K?
K 2-100 m L 2-200 m
K M¨vm †µvgv‡UvMÖvdx L Kjvg †µvgv‡UvMÖvdx M 2-30 m N 2-50m
M KvMR †µvgv‡UvMÖvdx N cvZjv ¯Íi †µvgv‡UvMÖvdx 597. HPLC †Z e¨eüZ Kjv‡gi e¨vm KZ?
587. D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdxi g~j Drm †KvbwU? K 2-40 mm L 2.1-4.6 mm
 |

M 3-6 mm N 3-7 mm M w¯’i gva¨‡g cÖK…wZ N Kjv‡gi e¨vm

598. HPLC †Z e¨eüZ Kjv‡gi ˆ`N¨© KZ? 606. HPLC †Z Zij wgkÖY‡K cv‡¤úi mvnv‡h¨ KZ Pv‡c
K 30-250 mm L 50-300 mm Kjv‡gi wfZi w`‡q cÖevwnZ Kiv nq?
M 60-400 mm N 40-350 mm K 50-250 bar L 50-300 bar
599. HPLC †Z w¯’i gva¨‡g †kvwlZ †hŠ‡Mi `ªve¨Zv wbf©i K‡i M 50-350 bar N 100-400 bar
†KvbwUi Dci? 607. HPLC †Z KwVb †kvlKwU †Kv_vq Ae¯’vb K‡i?
K mPj gva¨‡gi mshyw³ K A`vbv`vi c`v_© L `vbv`vi c`v_©
L ZvcgvÎv M cvwb N cvDWviRvZxq c`v_©
M mPj gva¨‡gi mshyw³ I ZvcgvÎv 608. HPLC †Z KwVb †kvlKwU †Kv_vq Ae¯’vb K‡i?
N w¯’i gva¨‡gi mshyw³ I ZvcgvÎv K Kjv‡gi †fZ‡i L Kjv‡gi evB‡i
600. HPLC †Z Zij bgybv‡K Pvjbv Kiv - M cv‡¤úi ‡fZ‡i N wW‡UKU‡ii †fZi
K KwVb †kvl‡Yi Dci w`‡q 609. Kjvg †µvgv‡UvMÖvdxi GKwU AZ¨vaywbK eûj e¨eüZ
L Zij †kvl‡Ki Dci w`‡q we‡kølY c×wZ †KvbwU?
M M¨vmxq †kvl‡Ki Dci w`‡q K M¨vm Zij †µvgv‡UvMÖvdx
N ‡Kv‡bvwUB bq L M¨vm KwVb †µvgv‡UvMÖvdx
601. D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdxi hvÎv ïiæ nq KZ M M¨vm †µvgv‡UvMÖvdx
mv‡j? N D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdx
K 1960 L 1966 610. M¨vm †µvgv‡UvMÖvwd‡Z Pjgvb `kv wn‡m‡e Kx e¨eüZ nq?
M 1970 N 1962 K KwVb L Zij
602. HPLC †Z †Kvb Dcv`vbwU Kg mg‡q c„_K n‡q Av‡m? M M¨vm N cvwb
K Zij `kvq hvi `ªeYxqZv †ewk 611. w¯’i `kvi cÖK…wZ Abymv‡i M¨vm †µvgv‡UvMÖvdx KZ cÖKvi?
L Zij `kvq hvi `ªeYxqZv Kg K `yB cÖKvi L wZb cÖKvi
M w¯’i `kvq hvi AvKl©Y †ewk M Pvi cÖKvi N cvuP cÖKvi
N ‡Kv‡bvwUB bq 612. M¨vm KwVb †µvgv‡UvMÖvwd‡Z w¯’i `kv †KvbwU?
603. HPLC †Z †Kvb Dcv`vbwU me‡k‡l wb®ŒvšÍ n‡q _v‡K? K KwVb L Zij
K Zij `kvq hvi `ªeYxqZv †ewk M M¨vm N cvwb
L Zij `kvq hvi `ªeYxqZv me‡P‡q †ewk 613. me‡P‡q †ewk e¨eüZ †µvgv‡UvMÖvdx c×wZ †KvbwU?
M w¯’i `kvq hvi AvKl©Y †ewk K M¨vm KwVb †µvgv‡UvMÖvdx
N ‡Kv‡bvwUB bq L M¨vm Zij †µvgv‡UvMÖvdx
604. ‡hŠ‡Mi gvwÎK we‡kølY Kiv nq Kx‡mi mvnv‡h¨? M KwVb Zij †µvgv‡UvMÖvdx
K Bb‡R±i L wW‡U±i N Zij-Zij †µvgv‡UvMÖvdx
M WvUv wm‡÷g N Iqv÷ 614. ‡ebwR‡bi ùzUbv¼ KZ?
605. HPLC †Z wgkÖ‡Yi cv‡¤úi mvnv‡h¨ KZ Pv‡c Kjv‡gi K 80.1C L 70.8C
wfZi w`‡q cÖevwnZ Kiv nq? M 78.5C N 90.8C
K aviY mgq L Kjv‡gi ˆ`N¨© 615. mvB‡K¬v‡n‡·‡bi ùzUbv¼ KZ?
 |

K 70.8C L 80.8C 623. M¨vm Zij †µvgv‡UvMÖvwd‡Z w¯’i `kv †KvbwU?

M 82.8C N 90.8C K wbw®Œq M¨vm L mwµq M¨vm
616. M¨vm KwVb †µvgv‡UvMÖvwd‡Z _v‡K- M wbw®Œq Zij N mwµq Zij
K e„nr c„ôZj †ÿÎdj L ÿz`ª c„ôZj †ÿÎdj 624. M¨vm Zij †µvgv‡UvMÖvdx‡Z Pjgvb `kv †KvbwU?
M e„nr AvqZb N ÿz`ª AvqZb K KwVb c„ô‡`‡ki Dci Awa‡kvwlZ D”P
617. M¨vm KwVb †µvgv‡UvMÖvwd‡Z c„_KxKi‡Y ¸iæZ¡c~Y© f~wgKv ùzUbv¼wewkó Zij
cvjb K‡i †KvbwU? L KwVb c„ô‡`‡ki Dci Awa‡kvwlZ wb¤œ ùzUbv¼wewkó
K Awa‡kvlY L ‡kvlY Zij
M wefvRb N e›Ub M KwVb c„ô‡`‡ki Dci Awa‡kvwlZ wb¤œ Mjbv¼wewkó
618. M¨vm KwVb †µvgv‡UvMÖvdx †Kvb †ÿ‡Î e¨eüZ nq? Zij

K wb¤œ AvYweK f‡ii M¨vmxq Dcv`v‡bi †ÿ‡Î N ‡Kv‡bvwUB bq

L D”P AvYweK f‡ii M¨vmxq Dcv`v‡bi †ÿ‡Î 625. M¨vm Zij †µvgv‡UvMÖvwd‡Z bgybv‡K AšÍt‡ÿc (inject)
Kiv nq †Kvb `kvq?
M wb¤œ AvYweK f‡ii KwVb Dcv`v‡bi †ÿ‡Î
K KwVb L Zij
N D”P AvYweK f‡ii KwVb Dcv`v‡bi †ÿ‡Î
M M¨vmxq N Rjxq
619. nvB‡WªvKve©b c„_KxKi‡Y e¨eüZ nq †KvbwU?
626. M¨vm-Zij †µvgv‡UvMÖvwd‡Z bgybv ev®úxf~Z n‡q †Kvb `kvq
K M¨vm KwVb †µvgv‡UªvMÖvdx
(Kjv‡g) cÖevwnZ nq?
L M¨vm Zij †µvgv‡UvMÖvdx
K KwVb L M¨vmxq
M cwi‡kvlY †µvgv‡UvMÖvdx
M Zij N ‡Kv‡bvwUBbq
N wefveRb †µvgv‡UvMÖvdx
627. M¨vm Zij †µvgv‡UvMÖvwd‡Z evnK M¨vm †KvbwU?
620. Kve©b g‡bv·vBW, Aw·‡Rb I bvB‡Uªv‡Rb c„_KxKi‡Y
K wnwjqvg L Aw·‡Rb
e¨eüZ nq †Kvb c×wZ?
M ‡K¬vwib N nvB‡Wªv‡Rb
K M¨vm Zij †µvgv‡UvMÖvdx
628. M¨vm Zij †µvgv‡UvMÖvwd‡Z evnK M¨vm †KvbwU?
L M¨vm KwVb †µvgv‡UvMÖvdx
K bvB‡Uªv‡Rb L Aw·‡Rb
M cwi‡kvlY †µvgv‡UvMÖvdx
M nvB‡Wªv‡Rb N Kve©b g‡bv·vBW
N KvMR †µvgv‡UvMÖvdx
629. M¨vm Zij †µvgv‡UvMÖvwd‡Z evnK M¨vm †KvbwU?
621. ‡Kvb †hŠMmg~n KwVb c„ô‡`‡k A‡bKUv ¯’vqxfv‡e Ave×
K Kve©b g‡bv·vBW L Kve©b WvBA·vBW
nq?
M nvB‡Wªv‡Rb mvjdvBW N bvBUªvm A·vBW
K AwaK †cvjvi L Kg †cvjvi
630. Kjv‡gi †fZi w`‡q `ªæZ †ewi‡q Av‡m †Kvb Dcv`vbwU?
M A‡cvjvi N M¨vmxq
K w¯’i `kvq hvi `ªve¨Zv Kg
622. RwUj wgkÖ‡Yi Dcv`v‡bi c„_KxKi‡Y e¨vcKfv‡e e¨eüZ
nq †Kvb c×wZ? L w¯’i `kvq evi `ªve¨Zv †ewk
K M¨vm Zij †µvgv‡UvMÖvdx M mPj `kvq hvi `ªve¨Zv Kg
L M¨vm KwVb †µvgv‡UvMÖvdx N ‡Kv‡bvwUB bq
M cwi‡kvlY †µvgv‡UvMÖvdx 631. Kjvg †_‡K wb¤œ MwZ‡Z wb®ŒvšÍ nq †Kvb Dcv`vbwU?
N cvZb K w¯’i `kvq hvi `ªve¨Zv Kg
 |

L w¯’i `kvq hvi `ªve¨Zv †ewk N cvwU©kb †µvgv‡UvMÖvdx

M mPj `kvq hvi `ªve¨Zv †ewk 640. mPj M¨vm gva¨g‡K DËß ivLvi Rb¨ w¯’i gva¨‡gi
N ‡Kv‡bvwUB bq KjvgwU‡K †Kv_vq ivLv nq?
632. mg‡qi wecixZ wW‡U±i wmMb¨v‡ji Aw¼Z †jLwPÎwU ejv K Kjv‡g L wW‡U±‡i
nq- M I‡f‡b N Bb‡R±‡i
K ‡µvgv‡UvMÖvwd L ‡µvgv‡UvMÖvd 641. M¨vm †µvgv‡UvMÖvdx †KvbwUi mgZzj¨?
M aviY mgq N AvB‡mv_vg© K AvswkK cvZb L wb¤œPvc cvZb
633. M¨vm †µvgv‡UvMÖvwd‡Z Dcv`v‡bi ¸YMZ we‡kølY Kiv nq M ev®ú cvZb N cvZb
wK‡mi Øviv? 642. wb‡Pi †KvbwU mwVK?
K aviY mgq L P~ovšÍ D”PZv K Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM +
M ‡gvU †ÿÎdj N Kjvg ˆ`N¨© †gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
634. M¨vm †µvgv‡UvMÖvwd‡Z Dcv`v‡bi cwigvYMZ we‡kølY Kiv L Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM –
nq- †gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
K P~ovšÍ D”PZv †_‡K L ‡gvU †ÿÎdj †_‡K M Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM 
M aviY mgq †_‡K NKIL †gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
635. M¨vm †µvgv‡UvMÖvwd‡Z Pjgvb `kv wn‡m‡e e¨envi Kiv nq? N Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM 
†gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
K M¨vm L KwVb
643. ‡Kvb Dcv`vbwU Kjvg †_‡K evnK M¨v‡mi mv‡_ cÖ_‡g wbM©Z
M Zij N M¨vm I Zij
nq?
636. M¨vm †µvgv‡UvMÖvwd‡Z _v‡K-
K hvi MwZ‡eM †ewk
K GKwU w¯’i †dR L GKwU Pjgvb †dR
L hvi MwZ‡eM Kg
M GKwU w¯’i †dR I GKwU Pjgvb †dR
M hvi `ªve¨Zv w¯’i gva¨‡g †ewk
N `ywU Pjgvb †dR
N ‡hwU w¯’i gva¨‡g †ewk AvK…ó nq
637. we‡qvRb QvovB ev®úvwqZ nq Ggb c`v‡_©i c„_KxKiY I
644. cÖ‡Z¨K Dcv`vb †hŠM Kx‡mi wfwˇZ wfbœ wfbœ MwZ‡e‡M
we‡køl‡Y e¨eüZ c×wZ †KvbwU?
Kjvg †_‡K wbM©Z nq?
K M¨vm †µvgv‡UvMÖvdx
K `ªve¨Zvi L ZvcgvÎvi
L D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdx
M wefvRb Ask N ‡kvlY gvÎv
M Kjvg †µvgv‡UvMÖvdx N ‡Rj †µvgv‡UvMÖvdx
645. Acwi‡kvwaZ †Z‡ji b¨vq AZ¨šÍ RwUj wgkÖY c„_KxKiY
638. M¨vm †µvgv‡UvMÖvwd‡Z Kx‡mi wfwˇZ Dcv`vbmg~‡ni
m¤¢e †Kvb c×wZ‡Z?
kbv³KiY I c„_KxKiY Kiv nq?
K M¨vm KwVb †µvgv‡UvMÖvdx
K wi‡Ubkb mgq L `ªve¨Zv
L M¨vm-Zij †µvgv‡UvMÖvdx
M e›Ub ¸Yv¼ N Awa‡kvlY
M D”P `ÿZv Zij †µvgv‡UvMÖvdx
639. M¨vm †µvgv‡UvMÖvdxi Aci bvg Kx?
N Kjvg †µvgv‡UvMÖvdx
K M¨vm-Zij cvwU©kb †µvgv‡UvMÖvdx
646. M¨vm Zij †µvgv‡UvMÖvdx Kx‡mi gva¨‡g m¤úbœ nq?
L M¨vm KwVb †µvgv‡UvMÖvdx
K Awa‡kvlY
M Kjvg †µvgv‡UvMÖvdx
L ivmvqwbK eÜb
 |

M Awa‡kvlY I ivmvqwbK eÜb K wjUgvm L ‡dbd_¨vwjb

N ‡kvlY M wg_vBj A‡iÄ N wg_vBj †iW
647. ÿvi `ªe‡Yi gvÎv ppm GK‡K- 656. wb‡Pi †KvbwUi cwigvcK we‡køl‡Y Beer’s Lambert
K 1ppm L 10 ppm m~‡Îi cÖ‡qvM bvB?
M 100 ppm N 1000 ppm K Atomic absorption L `„k¨gvb iwk¥i
648. 10% Na2CO3 `ªe‡Yi †gvjvi NbgvÎv n‡e- eYv©wj
K 0.9434 mol kg–1 L 0.9434 M M Ae‡jvwnZ iwk¥i eY©vwj N HPLC
M 0.9434 molL–1 N 9.4340 molL–1 657. `ªe‡Yi A¤øZ¡/ÿviZ¡ wPwýZKi‡Yi Rb¨ †h mKj †hŠM
649. K4[Fe(CN)6] RwUj †hŠ‡M Fe Gi RviY msL¨v KZ? e¨envi Kiv nq Zv‡`i‡K wb‡`©kK ejv nq| G ai‡bi wKQz
wb‡`©k‡Ki g‡a¨ wb‡Pi †KvbwU cÖK…wZ †_‡K AvnwiZ?
K +2 L +3
K wjUgvm L ‡dbd_¨vwjb
M +4 N +6
M wg_vBj A‡iÄ N wg_vBj †iW
650. wb‡Pi †KvbwUi †ejvq mPj gva¨giƒ‡c wnwjqvg e¨eüZ nq?
658. cÖgvY ZvcgvÎv I Pv‡c 50g CaCO3 †K DËß Ki‡j KZ
K TLC L HPLC
AvqZ‡bi CO2 cvIqv hv‡e?
M GLPC N CC
K 44.8 L L 22.4 L
651. 500mL 0.5M Kw÷K †mvWv `ªeY †_‡K KZ mL †Wwm
†gvjvi `ªeY ˆZwi Kiv hv‡e? M 11.2 L N 20 L
659. cÖgvY ZvcgvÎv I Pv‡c GK †gvj Aw·‡Rb cvevi Rb¨ KZ
K 2500mL L 2000mL
MÖvg HgO `» Kiv cÖ‡qvRb?
M 5000mL N 1350
K 216 g L 432 g
652. ‡¯úK‡UªvwgUv‡i 1cm ˆ`N¨©wewkó ‡m‡j GKwU `ªeY †i‡L Gi
we‡kvlY 0.156 cvIqv †Mj| `ª‡ei †gvjvi †kvlY mnM M 250 g N 150 g
1.2104 n‡j `ªeYwUi NbgvÎv †KvbwU n‡e? 660. 0.01M NbgvÎvi 100mL `ªeY cÖ¯‘wZ Ki‡Z 0.5M
`ªe‡Yi KZ mL `iKvi?
K 1.3510–5 M L 1.310–4M
K 5mL L 2 mL
M 1.210–4 M N 1.310–15molL–1
M 4 mL N 10mL
653. GKwU ivmvqwbK mgxKi‡Yi Zvrch© wn‡m‡e wb‡Pi †KvbwU‡K
we‡ePbv Kiv hvq bv? 661. wb‡Pi †KvbwU‡K RviY-weR&viY wewµqv wn‡m‡e MY¨ Kiv
†h‡Z cv‡i?
K wewµqvq mswkøó wewµqK I Drcv‡`i †gŠj msL¨vi
AbycvZ Rvbv hvq K Cu2+ + 4NH3  [Cu(NH3)4]2+

L wewµqvq mswkøó wewµqK I Drcv‡`i f‡ii AbycvZ L Cl2 + 2OH–  Cl– + ClO– + H2O
Rvbv hvq M NH3 + H+  NH4+
M wewµqvq †Kv‡bv M¨vm Drcbœ n‡j Drcbœ M¨v‡mi N Ca2+ + 2F–  CaF2
AvqZb Rvbv hvq 662. GKwU cv‡Î ivLv 16g wg‡_b M¨vm †_‡K NTP †Z 11.2L
N UvB‡Uªkb cÖwµqvq ARvbv `ªe‡Yi NbgvÎv Rvbv hvq wbM©Z n‡q †M‡j H cv‡Î Avi KZwU M¨vm AYy Aewkó _v‡K?

654. 15.0g Lwo gvwU‡Z AwaK Zv‡c †cvov‡bv n‡j KZMÖvg Pzb K 6.0231023 L 3.01151022
cvIqv hv‡e? M 3.01151023 N 5.0231023
K 8.4 g L 1.5 g 663. wb‡¤œi wewµqvwUi Rb¨ †KvbwU mwVK?
M 4.2 g N 0.75 g Mg + 2H+ = Mg2+ + H2
655. wb‡Pi †Kvb wb‡`©kKwU Dw™¢` †_‡K AvnwiZ? K GKwU cÖkgb wewµqv
 |

L GKwU RviY weRviY wewµqv K H2O L SO2

M GKwU cÖwZ¯’vcb wewµqv M H2S N HCl
N GKwU ms‡hvRb wewµqv 674. NaCl Gi †mvwWqv‡gi RviY msL¨v KZ?

664.  CO2 G wewµqvq C2O24 Avqb

C2O 24   K +1 L–1
M0 N1
K weRvwiZ nq L B‡jKUªb Z¨vM K‡i
675. H2SiF6 †hŠMwU‡Z wmwjK‡bi RviYgvb KZ?
M B‡jKUªb MÖnY K‡i N Aw·‡Rb MÖnY K‡i
K +2 L +3
665. Fe2O3 Gi A¤øZ¡ KZ?
M +4 N +5
K2 L3
676. GwmWxq `ªe‡Y KMnO4 Øviv wb‡Pi †KvbwU RvwiZ nq?
M6 N1
K PbO2 L H2O2
666. Na2CO3 Gi HCl cÖkg‡bi Rb¨ Dchy³ wb‡`©kK Kx?
M FeCl3 N H2S
K wg_vBj A‡iÄ L wjUgvm
677. ÷vbvm †K¬vivBW I gviwKDwiK ‡K¬vivB‡Wi †ÿ‡Î †KvbwU
M ‡dbd_¨vwjb N
mwVK?
667. H2SO4 Gi †gvjvi NbgvÎv bigvj NbgvÎvi-
K Sn4+ + 2Hg2+ = Sn2+ + 2Hg+
K wظY L mgvb L Sn2+ + 2Hg+ = Sn4+ + 2Hg2+
M A‡a©K N Pvi¸Y M Sn2+ + 2Hg2+ = Sn4+ + 2Hg+
668. 1.008g H2- G AYyi msL¨v- N Sn4+ + 2Hg4+ = Sn2+ + 2Hg2+
K 6.0231023 L 12.0461023 678. 100mL `ªe‡Y 10.6g Na2CO3 _vK‡j `ªeYwUi NbgvÎv
M 3.01151023 N 3.01151025 KZ?
669. 2.0L `ªeY 80g NaOH `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv- K 0.1M L 0.2M
K 1.0M L 2.0M M 0.5M N 1M
M 0.5M N 0.7M 679. 0.05 ppm Gi A_© Kx?
23
670. 6.02310 wU CO2 AYyi NTP †Z AvqZb- K 1L `ªe‡Y 0.05mgL 1L `ªe‡Y 0.5g
K 22.4 L L 2.24L M 1L `ªe‡Y 0.005g N 1L `ªe‡Y 50mg
M 0.224L N 22400L 680. Redox wewµqvq 1 ‡gvj Fe2+ RvwiZ Kivi Rb¨ KZ †gvj
A¤øxq KMnO4 `ªeY jvM‡e?
671. 10cm3 0.1M HCl `ªeY cÖkg‡bi Rb¨ cÖ‡qvRb NaOH
K 1 mol L 3 mol
Gi †Wwm‡gvjvi `ªe‡Yi-
M 5 mol N 10 mol
K cm3 L 10 cm3 681. Fe3O4 G Fe Gi RviY gvb KZ?
M 15 cm3 N 20 cm3 K +2 L +3
672. ivmvqwbK wewµqvq wewµqK I Drcv` AYyi msL¨v KZ? 8 4
M  N 
K wewµqK Ges Drcv‡`i AYyi msL¨v mgvb _v‡K 3 3
L wewµq‡Ki AYy msL¨v †ewk 682. K2Cr2O7 + KI+ HCl  wewµqvq cÖwZwU Cr6+ Avqb
KZwU B‡jKUªb MÖnY K‡i?
M Drcv` AYy msL¨v †ewk
K1 L2
N cÖ_‡g wewµq‡Ki AYy msL¨v †ewk c‡i Drcv` AYyi
msL¨v †ewk M3 N6
673. GwmW ÿviK cÖkgb wewµqvq je‡Yi mnDrcv` †KvbwU? 683. STP †Z 0.2g H2 M¨v‡m AYyi msL¨v KZ?
K 6.0231023 L 6.0231022
 |

M 6.0231021 N 6.0231024 K 0.1M L 01M

684. 4.4g CO2 †K m¤ú~Y©fv‡e Na2CO3 G iƒcvšÍi Ki‡Z KZ M 0.2M N 0.02M
MÖvg NaOH jvM‡e? 694. Zn + 2HCl (jNy)  ZnCl2 + A G wewµqvq 6.5g
Zn e¨envi Ki‡j KZ MÖvg A cvIqv hv‡e?
K 4g L 8g
K 0.1g L 0.2g
M 16g N 32g
M 0.3g N 0.5g
685. HCl G †dbd_¨vjb Kx eY© aviY K‡i?
695. 1g weï× CaCO3 †K AwZwi³ jNy HCl `ªexf~Z Ki‡j
K jvj L ‡Mvjvc †h cwigvY CO2 cvIqv hv‡e Zv‡K cy‡ivcywi Na2CO3 G
M njy` N eY©nxb cwiYZ Ki‡Z KZ MÖvg KwóK †mvWv jvM‡e?
686. 0.1M Na2CO3 `ªe‡Yi NbgvÎv ppm GK‡K KZ? K 0.8g L 4.0g
M 40g N 80g
K 10.6 ppm L 106 ppm
696. wb‡Pi †Kvb `ªe‡Y †dbd_¨vwjb †Mvjvwc eY© aviY K‡i?
M 1060 ppm N 10600 ppm
K HCl L H2SO4
687. 100mL †mw›U‡gvjvi H2SO4 `ªe‡Y KZ MÖvg H2SO4 M NaCl N NaOH
Av‡Q? 697. STP †Z †gvjvi AvqZb KZ?
K 98g L 9.8g K 24.8L L 24.4 L
M 0.98g N 0.098g M 22.4 L N 22.789 L
688. AwZwi³ HCl `ªe‡Y 1g CaCO3 †hvM Ki‡j KZ MÖvg 698. 0.0001M AgNO2 `ªe‡Y KZ ppm Ag+ Av‡Q?
CO2 cvIqv hv‡e? K 108 L 120
K 44g L 4.4g M 180 N 208
699. H2SO4 †hŠ‡M S Gi RviY gvb KZ?
M 0.44g N 0.044g
K +4 L +6
689. NaOH + CH3COOH  wewµqvq Dchy³ wb‡`©kK
M +2 N +5
†KvbwU?
700. 2.5M NaOH `ªe‡Yi NbgvZv kZKivq KZ?
K wg_vBj †iW L wg_vBj A‡iÄ
w w
M _vBgj eøy N ‡dbjd_¨vwjb K 10%  L 15% 
v v
690. 100mL 0.5M Na2CO3 `ªeY‡K 0.1M Na2CO3 w w
`ªe‡Y cwiYZ Ki‡Z KZ mL cvwb †hvM Ki‡Z n‡e? M 20%  N 30% 
v v
K 100 mL L 200 mL
M 300 mL N 400 mL
691. 50mL 10% Na2CO3 `ªeY‡K cÖkwgZ Kivi Rb¨ 0.5M
HCl Gi KZ mL `ªeY cÖ‡qvRb?
K 1.8867 mL L 18.87 mL
M 1.89 mL N 0.188 mL
692. 250 mL 0.1M H2SO4 `ªeY ˆZwi Ki‡Z KZ MÖvg
H2SO4 jvM‡e?
K 9.8 L 0.98
M 0.53 N 2.5
693. 50mL 0.1M FeSO4 Gi A¤øxq `ªeY‡K cÖwgZKi‡Y 50
mL KZ NbgvÎvi KMnO4 `ªeY jvM‡e?
 |

M HCl wgwkÖZ cvwb N A¨vjywgwbqvg

অধ্যায় ০৪: তরিৎ েসায়ি 12. ‡KvbwU Zwor Kzcwievnx?
1. Zwor cÖevn g~jZ- K KvP L ivevi
K ‡cÖvU‡bi cÖevn L B‡jKUª‡bi cÖevn M wPwb N MÖvdvBU
M AvqwbK c`v‡_©i cÖevn N M¨v‡mi cÖevn 13. ‡KvbwU Zwor Acwievnx?
2. ‡hme c`v‡_©i wfZi w`‡q Zwor cwienb Ki‡Z cv‡i Zv‡`i Kx ejv K MÖvdvBU L Zvgv
nq? M je‡Yi `ªeY N ‡c‡Uªvj
K AvqwbK cwievnx L Zvc cwievnx 14. Zwor cwien‡bi c×wZ Z_v cwien‡bi †KŠk‡ji Dci wfwË K‡i
M Zwor cwievnx N Zwor Acwievnx cwievnx KZ cÖKvi?
3. ‡KvbwU Zwor cwienb K‡i? K wZb L `yB
K mvaviY jeY L ﮋ KvV M Pvi N cvuP
M ivevi N `ªexf~Z jeY 15. ‡KvbwU B‡jKUªbxq cwievnx bv?
4. ‡KvbwU Zwor cwienb K‡i bv? K Kcvi L Zvgv
K avZe gva¨g L MwjZ NaCl M wmjfvi N wPwb
M KvP N H2SO4 wgwkÖZ cvwb 16. ZvcgvÎv e„w×i mv‡_ mv‡_ avZe cwievwni cwievnxZv-
5. ‡KvbwUi Zwor cwien‡bi KviY gy³ B‡jKUªb? K n«vm cvq L e„w× cvq
K nxiK L MwjZ Lv`¨ jeY M AcwiewZ©Z _v‡K N mvgvb¨ e„w× cvq
M HCl wgwkÖZ cvwb N MÖvdvBU 17. B‡jKUªbxq cwievnx w`‡q we`y¨r cwien‡bi mgq c`v‡_©i Kx N‡U?
6. ‡KvbwU wfbœ cÖK…wZi? K ‡fŠZ cwieZ©b
K NaOH `ªeY L GwmW wgwkÖZ cvwb L ivmvqwbK cwieZ©b
M MwjZ jeY N NaCl M ‡fŠZ I ivmvqwbK Dfq cwieZ©b
7. cÖ‡Z¨KwU c`v‡_©i Zwor cwienb Kivi ÿgZv mgvb bv nIqvi KviY- N Af¨šÍixY kw³i cwieZ©b
K wfbœ wfbœ ˆewkó¨ 18. B‡jKUªbxq cwievnx‡K Zwor cwien‡bi mgq N‡U bv †KvbwU?
L B‡jKUª‡bi Abycw¯’wZ K ivmvqwbK wewµqv L ZvcgvÎvq cwieZ©b
M AvqwbZ nIqvi AÿgZv M B‡jKUªb cwienb N ‡fŠZ cwieZ©b
N AvqwbZ nIqvi cÖeYZv 19. avZe cwievnxi †ÿ‡Î Kvi m~Î cÖ‡hvR¨?
8. Zwor cwien‡bi gvÎv I Zwor cwien‡bi ÿgZvi Dci wbf©i K‡i K w÷‡d‡bi m~Î L ‡÷vi‡mi m~Î
Zwor cwievnx‡K Kq fv‡M fvM Kiv n‡q‡Q? M e‡q‡ji m~Î N In‡gi m~Î
K cvuP fv‡M L wZb fv‡M 20. ‡h me c`v_© Zwor cÖev‡ni mgq wewkøó n‡q hvq Zv‡`i Kx e‡j?
M `yB fv‡M N Pvi fv‡M K Zworwe‡køl¨ L Zwor Awe‡køl¨
9. ‡KvbwU Zwor cwievnxi cÖKvi‡f` bv? M AvqwbK c`v_© N avZe c`v_©
K mycwievnx L Kzcwievnx 21. ‡KvbwU Zworwe‡køl¨ c`v_©?
M Acwievnx N weea©K K CuSO4 L CuO
10. ‡KvbwU Zwor mycwievnx? M CCl4 N wPwb
K MÖvdvBU L KvuP 22. ‡KvbwUi Zwor cwienb Am¤¢e?
M ivevi N ‡jvnv K NaCl `ªeY L CuSO4 `ªeY
11. ‡KvbwU Zwor mycwievnx bv? M NaOH `ªeY N weï× cvwb
K Zvgv L NaCl 23. Zworwe‡køl¨ cwien‡bi mgq Kx N‡U?
 |

K ivmvqwbK cwieZ©b L ‡fŠZ cwieZ©b 33. ‡KvbwU Zwor cÖevnKv‡j A¯’vqx Pz¤^KZ¡ jvf K‡i?
M Dfq cwieZ©bB N avZe cwieZ©b K Cu L NaCl
24. Zworwe‡køl¨ cwievnx‡Z Kxfv‡e Zwor cÖevwnZ nq? M NaOH N H2
K Avqb PjvP‡ji gva¨‡g 34. ‡KvbwU cwievwnZv ZvcgvÎv evovi mv‡_ mv‡_ ev‡o?
L B‡jKUª‡bi PjvP‡ji gva¨‡g K MÖvdvBU L ‡jvnv
M Avqb I B‡jKUªb Df‡qi gva¨‡g M wR¼ N jeY
N Zi‡½i gva¨‡g 35. KwVb c`v‡_© ‡hvRbx B‡jKUªb KZ ai‡bi eÜb MVb K‡i?
25. d¨viv‡Wi m~Î cÖ‡hvR¨ †KvbwUi †ÿ‡Î? K 2 ai‡bi L 3 ai‡bi
K MÖvdvBU L Kcvi M 4 ai‡bi N 5 ai‡bi
M weï× cvwb N MwjZ NaCl 36. wb‡Pi †KvbwU AvswkK †cvjvi mg‡hvRx †hŠM?
26. ‡Kvb wewµqvi gva¨‡g Zworwe‡køl¨ cwievnx Zwor cwienb K‡i? K NaCl L HCl
K RviY weRviY L cvwb‡hvRb M NaOH N KCl
M AvqbxKiY N cÖkgb 37. AvqwbK †hŠM Zwor cwienb K‡i-
27. avZe cwievnx‡K- K weMwjZ Ae¯’vq L KwVb Ae¯’vq
K B‡jKUª‡bi gva¨‡g Zwor cÖevwnZ nq M evqexq Ae¯’vq N ùwUKvKvi Ae¯’vq
L Avqb PjvP‡ji gva¨‡g Zwor cÖevwnZ nq 38. Zwor cwien‡bi mgq AvqwbK †hŠ‡Mi Kx N‡U?
M Zwor cÖev‡ni mgq ivmvqwbK cwieZ©b N‡U K ùzUb L we‡qvRb
N Zwor cÖev‡ni GK ev GKvwaK bZzb c`v‡_©i m„wó nq M we”QyiY N Nbxfeb
28. KvP we`y¨r Acwievnx KviYÑ 39. wb‡Pi †KvbwU MwjZ ev `ªexf~Z Ae¯’vq Zwor cwienb K‡i?
K GwU A‡cvjvi mg‡hvRx †hŠM K Lv`¨ jeY L wbkv`j
L GwU wgwn wµ÷vjvBb c`v_© M Zvgv N MÖvdvBU
M GwU `ªexf~Z nq bv 40. ‡KvbwU KwVb Ae¯’vq we`y¨r cwienb K‡i?

N GwU HNO3 Øviv ÿqcÖvß nq K ÿviK L GwmW

29. ‡KvbwUi ga¨ w`‡q Zwor `ªæZ MwZ‡Z cÖevwnZ n‡e? M jeY N MÖvdvBU
K Zn avZz L MwjZ NaCl 41. Zwor cÖev‡ni d‡j Zwor we‡kø‡l¨i we‡qvRb‡K Kx e‡j?

M HCl N H2 M¨vm K Zwor we‡kølY L ivmvqwbK we‡kølY

30. ‡KvbwU Acwievnx? M K¨v‡_vwWK we‡kølY N A¨v‡bvwWK we‡kølY
K `ªexf~Z NaCl L D”P Pv‡c H2 M¨vm 42. Zworwe‡køl¨ cwievnxi Zwor cwienb ÿgZv-

M wb¤œ Pv‡c H2 M¨vm N MÖvdvBU K Kg L LyeB Kg

31. avZe cwievnx‡Z †Kvbiƒc cwieZ©b N‡U bv †Kb? M ‡ewk N LyeB †ewk

K B‡jKUªb MwZkxj _v‡K e‡j 43. cvwb‡Z wb‡Pi †KvbwUi Zwor cwienb ÿgZv Zzjbvg~jKfv‡e †ewk?

L wbDwK¬qvm w¯’i _v‡K e‡j K NaOH L NH4OH

M PvR© enb K‡i bv e‡j M H2CO3 N CH3COOH

44. `ªe‡Y hv‡`i Zwor cwienb ÿgZv †ewk Zv‡`i Kx e‡j?
N ‡fŠZ c×wZ e‡j
32. Zworwe‡køl¨ cwievnxi Aci bvg Kx? K Zxeª Zworwe‡køl¨ L Zxeª AvqwbK

K AvqwbK cwievnx L ‡cvjvi cwievnx M Zxeª mg‡hvRx N g„`y Zworwe‡køl¨

45. `ªe‡Y hv‡`i Zwor cwienb ÿgZv †ewk Zv‡`i Kx e‡j?
M B‡jKUªbxq cwievnx N Kzcwievnx
K Zxeª AvqwbK L g„`y AvqwbK
 |

M g„`y Zworwe‡køl¨ N Zxeª Zworwe‡køl¨ K ¯’vwbK wµqv L ‡cvjvivqb

46. wb‡Pi †KvbwU Zwor Awe‡køl¨? M wef‡ei cwieZ©b N Zwor cÖev‡ni cwieZ©b
K Zvgv L MwjZ NaCl 58. ‡cvjvivqb wµqvi d‡j †KvbwU NUv Am¤¢e?
M wPwb N MÖvdvBU K ‡iv‡ai gv‡bi cwieZ©b
47. wb‡Pi †KvbwU Zworwe‡køl¨? L `ªe‡Yi NbgvÎvi cwieZ©b
K wPwb L BDwiqv M cvk¦© wewµqv N‡U
M Møy‡KvR N H2SO4 wgwkÖZ cvwb N cÖ¯’‡”Q‡`i †ÿÎd‡ji cwieZ©b
48. Zwor ‡Kv‡li Zi‡j Wzev‡bv avZe `Û‡K Kx e‡j? 59. Zzj¨ cwievwnZvi †ÿ‡Î †KvbwU mwVK?
K ZworØvi L e¨vUvix 1000 100
K  K L  K
M jeY †mZz N Zworwe‡køl¨ C C
49. Zwor ‡Kv‡l e¨eüZ abvZ¥K PvR©hy³ ZworØvi‡K Kx e‡j? 1000 100
M  K N  K
K K¨v‡_vW L A¨v‡bvW C C
M e¨vUvix N jeY †mZz 60. ‡KvbwU mwVK?
50. A¨vbvqb Kx ai‡bi PvR© enb K‡i? K K¨v‡_vW e¨vUvwii abvZ¥K cÖv‡šÍi mv‡_ hy³ _v‡K
K abvZ¥K L FYvZ¥K L K¨vUvqb FYvZ¥K PvR©hy³ Avqb
M PvR©wenxb N gy³ g~jK M A¨v‡bvW abvZ¥K ZworØvi
51. Zworwe‡køl¨ Zwor cwien‡bi ÿgZv‡K Kx e‡j? N A¨v‡bv‡W K¨vUvqb AvK…ó nq
K cwievnxZv L cwievnx 61. ‡KvbwU wg_¨v?
M ‡iva N cwievnKZ¡ K BDwiqv‡Z mg‡hvRx eÜb we`¨gvb
52. ‡KvbwUi In‡gi m~Î? L BDwiqv Zwor cwienb Ki‡Z cv‡i bv
V R M BDwiqv †cvjvi mg‡hvRx †hŠM
K I L I
R V N BDwiqv ‰Re †hŠM
R PL 62. Zworwe‡køl¨ †Kv‡l Zwor kw³ †Kvb kw³ †_‡K Av‡m?
M V N I
I VA K Av‡jvK kw³ †_‡K L Zvckw³ †_‡K
53. wefe cv_©‡K¨i GKK Kx? M ivmvqwbK kw³ †_‡K N ‡mŠikw³ †_‡K
K Ing L ‡fvë 63. Zworwe‡køl¨ †Kv‡l-
M A¨vw¤úqvi N wm‡gÝ K A¨v‡bvW FYvZ¥K PvR©hy³
54. Av‡cwÿK †iv‡ai wecixZ ivwk‡K Kx e‡j? L K¨v‡_vW abvZ¥K PvR©hy³
K Av‡cwÿK cwievwnZv L cwievwnZv M K¨vUvqb K¨v‡_v‡W hvq
M Zzj¨ cwievwnZv N ‡gvjvi cwievwnZv N A¨v‡bvW e¨vUvixi FYvZ¥K cÖv‡šÍ hy³ _v‡K
55. Av‡cwÿK cwievwnZvi GKK Kx? 64. eªvB‡b Zwor we‡kølY Ki‡j †KvbwU K¨v‡_v‡W hvq?
–1
K Ing L (Ing) K Cl– L OH–
M A¨vw¤úqvi N (A¨vw¤úqvi)–1 M Na+ N H+
56. ‡KvbwUi mvnv‡h¨ Av‡cwÿK cwievwnZv wbY©q Kiv hvq? 65. Zzu‡Zi `ªe‡Y Kcvi B‡jK‡UªvW e¨envi Ki‡j Zwor we‡køl‡Yi mgq
K ûBU‡÷vb wgUvi weªR L ‡cvjvivqb A¨v‡bv‡W-
M M¨vjfv‡bvwgUvi N A¨vwgUvi K Cu2+ PvR©gy³
57. ‡iva wbiƒc‡b mgcÖevn we`y¨r e¨envi Ki‡j †KvbwU m„wói m¤¢vebv L Cu avZz Cu2+ Drcbœ K‡i
_v‡K? M Aw·‡Rb Drcbœ nq N H2 M¨vm Drcbœ nq
 |

66. eªvB‡bi Zwor we‡køl‡Y K¨v‡_vW wn‡m‡e Pt e¨envi Ki‡j K¨v‡_v‡W K we`y¨r PvR©
Kx cvIqv hvq? L ‡cvjvwiZ nIqvi ÿgZv
K Na avZz L H2 M¨vm M we`¨gvb gy³‡Rvo B‡jKUªb
M cvwb N Aw·‡Rb N `ªve¨Zv
67. cwieZx© cÖevn cÖwZ †m‡K‡Û KZevi w`K cwieZ©b K‡i? 78. ‡Kv‡bv c`v‡_©i Zwor cwien‡bi ag©‡K Kx e‡j?
K 50-60 evi L 80-100 evi K cwievnKZ¡ L cwievwnZv
M 100-500 evi N 500-1000 evi M cwievnK N cwievnx
68. CH3COOH `ye©j Zworwe‡køl¨ †Kb? 79. Zworwe‡køl¨ cwievnx me©cÖ_g †Kvb weÁvbx D™¢veb K‡ib?
K A‡cvjvi †hŠM e‡j L mg‡hvRx †hŠM e‡j K gvB‡Kj A¨vš’wb L gvB‡Kj d¨viv‡W
M Kg AvqwbZ nq e‡j N ‡ewk AvqwbZ nq e‡j M gvB‡Kj nvIqv_© N gvB‡Kj Rbmb
69. ‡KvbwU my‡µv‡Ri ms‡KZ? 80. gvB‡Kj d¨viv‡W KZ mv‡j Zvi Zwor cwien‡bi †gŠwjK m~Î `ywU
K C12H22O11 L C12H22O12 cÖKvk Ki?
M C6H12O11 N C6H12O13 K 1835 L 1833
70. 1 †gvj HCl GwmW †_‡K KZ †gvj nvB‡Wªv‡Rb Avqb Drcbœ nq? M 1831 N 1832
K 1 †gvj L 0.5 †gvj 81. Zwor cÖev‡ni d‡j †h ivmvqwbK we‡qvRb N‡U Zv‡K Kx e‡j?
1 K Zwor we‡kølY L Zwor we‡qvRb
M 2 †gvj N †gvj
3 M Zwor ms‡hvRb N Zwor ms‡kølY
71. my‡µvR Rjxq `ªe‡Y Zwor cwienb K‡i bv, KviY GwU 82. Zwor cÖev‡ni d‡j ZworØv‡i mwÂZ c`v‡_©i cwigvY cÖevwnZ
K AvqwbK †hŠM L ‡cvjvi †hŠM Zwo‡Zi-
M A‡cvjvi †hŠM N mwbœ‡ek †hŠM K e¨¯ÍvbycvwZK L e‡M©i e¨¯ÍvbycvwZK
72. ‡KvbwU wf‡bMvi ˆZwi‡Z e¨envi Kiv nq? M mgvbycvwZK N e‡M©i mgvbycvwZK
K CH3COOH L CH3CH2COOH 83. ‡KvbwU Am¤¢e?
M HOOC–COOH N HCOOH K W = ZQ L Q = It
73. wf‡bMv‡i Kx cwigvY A¨vwmwUK GwmW _v‡K? M W = ZIt N Q = ZIt
K 6-8% L 6-10% 84. GK Kzj¤^ we`y¨r cÖev‡ni d‡j †Kv‡bv c`v‡_©i hZ cwigvY A¨v‡bv‡W
M 6-12% N 4-6% `ªexf~Z ev K¨v‡_v‡W mwÂZ nq Zv‡K Kx e‡j?
74. ‡KvbwU Øviv cÖevwnZ Zwo‡Zi cwigvY wbY©q Kiv hvq? K ivmvqwbK Zzj¨v¼
K A¨vwgUvi L ‡fvëwgUvi L Zwor ivmvqwbK Zzj¨v¼
M e¨v‡ivwgUvi N wc‡KvwgUvi M d¨viv‡W
75. ‡KvbwU Zwor Awe‡køl¨? N hvwš¿K Zzj¨v¼
K CH3OH L H3PO4 85. wmjfv‡ii Zwor ivmvqwbK Zzj¨v¼ KZ?
M HF N CH3COOH K 0.001118g L 0.000118 g
76. wg_vbj Zwor cwienb K‡i bv KviY- M 0.000010447 g N 0.00010447 g
K A‡cvjvi mg‡hvRx †hŠM 86. wmjfvi bvB‡Uª‡Ui Zwor we‡køl‡Yi gva¨‡g GK †gvj wmjfvi Drcbœ
Ki‡Z KZ †gvj wmjfvi bvB‡UªU jvM‡e?
L AvswkK †cvjvi mg‡hvRx †hŠM
K GK †gvj L `yB †gvj
M mwbœ‡ek mg‡hvRx †hŠM
M Aa© †gvj N wZb †gvj
N cvwb Øviv we‡køwlZ nq
77. we`y¨r kw³i cwigvcK †KvbwU? 87. Ag+(aq) + e–  Ag(s) wewµqvwU †Kvb ai‡bi?
 |

K RviY weRviY L RviY K 17wU L 19wU

M weRviY N ms‡hvRb M 20wU N 18wU
88. wmjfvi cigvYyi fi KZ? 97. ‡mvwWqvg cigvYy †_‡K GK †gvj K¨vUvqb †c‡Z 6.0231023wU
K 108 g L 104 g B‡jKUªb MÖn‡Yi cÖ‡qvRb n‡j A¨vjywgwbqvg †_‡K GK †gvj K¨vUvqb
KZwU B‡jKUªb MÖn‡Yi cÖ‡qvRb?
M 127 g N 78 g
1
89. wmjfvi 108 g G cigvYy msL¨v KZ? K 16.0231023wU L 6.0231023wU
2
K 6.02310-23wU L 6.0231023wU
M 26.0231023wU N 36.0231023wU
M 1wU N 2.991023wU
98. AgNO3 `ªe‡Y 5 A¨vw¤úqvi we`y¨r 10 wgwbU a‡i Pvjbv Ki‡j Kx
90. GK d¨viv‡W mgvb KZ?
cwigvY Ag avZz mwÂZ n‡e?
K 9650 L 96500
K 5.36g L 2.5g
M 965000 N 965500
M 3.361g N 2.63g
91. 25C ZvcgvÎvq AgNO3 `ªe‡Y 2.5 amp Zwor Pvjbv Ki‡j
99. ‡µvwgqvg (III) mvj‡dU `ªe‡Y 5.0 amp Zwor KZ mgq a‡i Pvjbv
K¨v‡_v‡W 5g Ag Rgv nq| hw` ZvcgvÎv 50C nq Z‡e Kx cwigvY
Ki‡j K¨v‡_v‡W 2.5g †µvwgqvg avZz mwÂZ nq?
Ag Rgv n‡e?
K 46.40 min L 45.46 min
K 10g L 5g
M 46.50 min N 50.46 min
M 20g N 2.5g
100. Zwor ivmvqwbK Zzj¨v‡¼i GKK Kx?
92. Fe2+ `ªeY n‡Z 56g †jvnv‡K ZworØv‡i Rgv Ki‡Z 2F Zwor jvMv‡j
K MÖvg (Kzj¤^)–1 L (MÖvg)–1 Kzj¤^
F3+ `ªeY n‡Z GKB cwigvY †jvnv‡K ZworØv‡i Rgv Ki‡Z Kx cwigvY
Zwor jvM‡e? M MÖvg (wjUvi)–1 N (Kzj¤^)–1
K 2F L 4F 101. 0.5A gvÎvi Zwor cÖevn 10 min mgq a‡i Zzu‡Zi Rjxq `ªe‡Y
Pvjbv Ki‡j Kx cwigvY Kcvi mwÂZ n‡e?
1
M 3F N F K 0.0987g L 9g
2
93. d¨viv‡Wi m~Î wb‡Pi †Kvb cwievnxi †ÿ‡Î cÖ‡hvR¨? M 0.8 g N 0.0509 g

K MwjZ NaCl L MÖvdvBU 102. Kcvi mvj‡dU `ªe‡Yi ga¨w`‡q 2 amp Zwor KZÿY Pvjbv Ki‡j
2.368 g Kcvi mwÂZ n‡e?
M wPwbi `ªeY N Møy‡Kv‡Ri `ªeY
K 10 min 30 s L 20 min 30 s
94. wb‡Pi †Kvb †ÿ‡Î d¨viv‡Wi m~‡Îi cÖ‡qv‡Mi ÎæwU jÿ Kiv hvq?
M 58 min 59 s N 30 min 10 s
K 100 fvM B‡jK‡UªvjvBwUK `ªeY
103. jNy mvjwdDwiK Gwm‡Wi g‡a¨ cøvwUbvg ZworØv‡ii mvnv‡h¨ KZ Kzj¤^
L GKB mv‡_ gvÎ GKwU wewµqv NU‡j
we`y¨r cÖevwnZ Ki‡j Av`k© DòZv I Pv‡c ZworØv‡i 500cm3
M GKwU gvÎ RviY-weRviY wewµqvi †ÿ‡Î nvB‡Wªv‡Rb Drcbœ n‡e?
N GKvwaK RviY-weRviY NU‡j K 2154.09 Kzj¤^ L 4308.036 Kzj¤^
95. ‡KvbwU †iW· wewµqv? M 8131.036 Kzj¤^ N 9308.036 Kzj¤^
K Na+ + e–  Na 104. Kcvi avZzi cvigvYweK fi 63.5| Gi Zwor ivmvqwbK Zzj¨v¼ KZ?
1 K 0.000118 g coul–1 L 0.000329 g coul–1
L Cl– – e–  Cl2
2 M 0.0000408 g coul–1 N 0.000569 g coul–1
1 1
M Cl2  Cl2  Cl2 105. GKwU Zwor Øviv 50 coulumb we`y¨r cÖevwnZ Ki‡j ZworØv‡i
2 2 0.098 g avZz Rgv nq| avZzi Zwor ivmvqwbK Zzj¨v¼ KZ?
N 2FeCl2 + Cl2  2FeCl3 K 0.000329 g coul–1 L 0.000118 g coul–1
–
96. ‡K¬vwib cigvYyi Avqb (Cl ) Gi †K‡›`ª †cÖvUb msL¨v KZ?
M 0.00196 g coul–1 N 0.000408 g coul–1
 |

106. GKwU ZworØv‡ii wfZi w`‡q 5C we`y¨r 5 †m‡KÛ cÖevwnZ nq| 116. ‡KvbwU Rjxq ev®ú n‡Z nvB‡Wªv‡Rb‡K cÖwZ¯’vcb Ki‡Z cv‡i?
cÖevngvÎv KZ? K ‡mvwWqvg L ‡Kvevë
K 5A L 10A M ‡jW N Kcvi
M 1A N 0.5A 117. ‡KvbwU Øviv GwmW n‡Z nvB‡Wªv‡Rb‡K cÖwZ¯’vcb Kiv Am¤¢e?
107. Zzu‡Zi `ªe‡Y 40 min a‡i 160 mA Zwor cÖevwnZ Ki‡j ZworØv‡i K ‡Kvevë L wb‡Kj
KqwU Kcvi cigvYy Rgv co‡e?
M ‡jW N Kcvi
K 6.0231023wU L 1.1981023wU
118. ‡Kvb AvqbwU AwaK ¯’vqx?
M 1.1981021wU N 6.0231021wU
K Mg2+ L Na+
108. ‡KvbwU Zwor we‡kølY Kv‡j K¨v‡_v‡W Rgv nq?
M Cu2+N Ag+
K H2 L N2 119. ‡KvbwUi weRviY ag© Zzjbvg~jKfv‡e †ewk?
M Cl2 N O2
K Zn L Fe
109. bxj e‡Y©i Kcvi mvj‡dU (CuSO4) Avqi‡bi mv‡_ wewµqv K‡i
M Cr N Sn
†divm mvj‡dU Drcbœ K‡i| †divm mvj‡d‡Ui eY© Kxiƒc?
120. ‡KvbwU mn‡R weRvwiZ n‡q avZz‡Z cwiYZ n‡e?
K bxj L nvjKv bxj
K Pb2+L Cu2+
M nvjKv meyR N Kgjv
M Ag+ N Hg2+
110. Fe(s) + CuSO4(aq)  FeSO4(aq) + Cu(s) Kx ai‡bi wewµqv?
121. ‡KvbwUi weRviY ag© Zzjbvg~jKfv‡e †ewk?
K cÖwZ¯’vcb L mgvbyKiY
K Ni L Cu
M ms‡hvRb N we‡qvRb
M Au N Zn
111. B‡jKUªb Z¨vM abvZ¥K Avq‡b cwiYZ nIqvi cÖeYZv‡K Kx e‡j?
122. ‡KvbwU Zv‡`i RvwiZ Ae¯’v‡K weRvwiZ K‡i?
K RviYL weRviY
K Au L Pb
M ms‡hvRb N we‡qvRb M Ni N Mg
112. ‡h †gŠ‡ji B‡jKUªb Z¨v‡Mi cÖeYZv †ewk Zvi- 123. ‡KvbwU Zzjbvg~jKfv‡e kw³kvjx RviK?
K RviY wef‡ei gvb Kg KF L Cl
L mwµqZv Kg MP NN
M weRviY wef‡ei gvb Kg 124. ‡KvbwU Av‡M A¨v‡bv‡W PvR©hy³ nq?
N Zwor cwienb ÿgZv Kg K Cl– L I–
113. RviY wef‡ei gvb †ewk n‡j †gŠjwU-
M NO 3 N OH–
K `ªæZ mwµq Z¨vM K‡i
125. A, B., C I D †gŠj¸‡jvi cÖgvY weRviY wefe h_vµ‡g –2.87V,
L mn‡RB wewµqvq hvq –1.66V, 0.22V Ges 1.08V| †KvbwU DËg weRviK?
M mwµq nq KB LC
N mn‡R B‡jKUªb Z¨vM K‡i bv MD NA
114. ‡gŠjmg~n Zv‡`i mwµqZvi wb¤œ µgvbymv‡i mvwR‡q †h mvwi cvIqv 126. P, Q, R, T †gŠj PviwUi cÖgvY weRviY wefe h_vµ‡g –0.44V,
hvq Zv‡K Kx e‡j?
0.00V, 0.34V Ges 1.36V †KvbwU DËg RviK?
K mwµqZvi wmwiR L avZzµg
KP LQ
M chv©q mviwY N avZe mviwY MR NT
115. wb‡Pi †KvbwU cvwb †_‡K nvB‡Wªv‡Rb‡K cÖwZ¯’vcb Ki‡Z cv‡i? 127. H2SO4 †hŠ‡M mvjdv‡ii RviY msL¨v †KvbwU?
K Mg L Al K0 L +2
M Fe N Na M +4 N +6
 |

128. ‡KvbwU wfbœ cÖK…wZi? M nvjKv meyR N nvjKv bxj

KH LI 139. avZzi mv‡_ Gwm‡Wi wewµqvq mgq-
M Cu N Zn K H+ Avqb Øviv avZz weRvwiZ nq
129. ‡KvbwUi weRviY wef‡ii gvb Abb¨? L H+ Avqb avZz Øviv weRvwiZ nq
K Zn L Cu M avZz Øviv HCl RvwiZ nq
MH N Al N avZz RviK wn‡m‡e KvR K‡i
130. avZz B‡jKUªb Z¨vM Kivi mgq- 140. wR¼ avZz‡Z Kcvi Zvi `ªeY n‡Z cÖwZ¯’vcb Ki‡Z cv‡i bv KviY-
K RvwiZ nq L weRvwiZ nq K wR¼ avZzi weRviY wef‡ei gvb Kcvi n‡Z †ewk
M wewkøó nq N ‡hŠ‡M cwiYZ nq L wR¼ avZyi RvfiY wef‡ei gvb Kcvi n‡Z †ewk
131. avZe Avq‡bi weRvwiZ nIqvi cÖeYZv †KvbwUi Dci wbf©i K‡i? M Kcvi wR¼ A‡cÿv AwaK kw³kvjx RviK
K Avq‡bi Nb‡Z¡i Dci L avZzi mwµqZvi Dci N wR¼ Kcvi A‡cÿv AwaK kw³kvjx RviK
M ZvcgvÎvi Dci N Pv‡ci Dci 141. wR‡¼i RviY gvb w¯’i †Kb?
132. ‡KvbwUi avZzi mwµqZv cÖgvY K‡i bv? K D-eøK †gŠj e‡j
K avZzi cvwb †_‡K H AcmviY L Ae¯’všÍi †gŠj e‡j
L avZzi w÷g ‡_‡K H cÖwZ¯’vcb M dvuuKv d AiweUvj †bB e‡j
M avZzi GwmW ‡_‡K H cÖwZ¯’vcb N B‡jKUªb Øviv AiweUvj c~Y© e‡j
N avZz †_‡K B‡jKUªb AcmviY 142. wR¼ Kcvi‡K cÖwZ¯’vcb Ki‡Z cvi‡jI †jvnv wR¼‡K cÖwZ¯’vcb
133. ‡KvbwU MÖæc IIA avZzi evB‡i Aew¯’Z? Ki‡Z cv‡i bv, KviY-
K Ca L Sr K wR‡¼i weRviY wef‡ei gvb me‡P‡q Kg
M Ba N At L Kcv‡ii weRviY wef‡ei gvb me‡P‡q †ewk
134. ‡KvbwUi RviY msL¨v †e‡o‡Q? M †jvnvi weRviY wef‡ei gvb FYvZ¥K
1 N wR‡¼i weRviY wef‡ei me‡P‡q ‡ewk FYvZ¥K gvb
K Fe3+ + e– Fe2+ L Cl–  Cl2  e
2 143. Zwor ‡Kv‡l mvaviYZ KqwU ZworØvi _v‡K?
1 1 K 2wU L 3wU
M H  e  H2 N Cl2  e  Cl
2 2 M 4wU N 1wU
135. Fe, Zn, Cu I Ag GKB `ªe‡Y _vK‡j †KvbwUi RviY NU‡e? 144. ‡KvbwU W¨vwb‡qj †Kv‡l RviY Aa©‡Kvl?
K Fe L Zn K ZnSO4/Zn L Zn/ZnSO4
M Cu N Ag M Cu/CuSO4 N CuSO4/Cu
136. gwiPvi ms‡KZ Kx? 145. ‡h Aa©‡Kv‡l RviY N‡U Zv‡K Kx e‡j?
K Fe2O3.nH2O L FeO.nH2O K weRviY †Kvl L weRviY Aa©‡Kvl
M Fe3O4.H2O N Fe3O4.nH2O M RviY †Kvl N RviY Aa©‡Kvl
137. ¯^Y© `xN©Kvj gvwU‡Z jywK‡q ivL‡jI †Kvbiƒc cwieZ©b nq bv †Kb? 146. ‡h Aa©‡Kv‡l weRviY N‡U Zv‡K Kx e‡j?
K Ae¯’vb mwµqZv wmwi‡Ri wb‡P
K weRviY Aa©‡Kvl L weRviY †Kvl
L ¯^‡Y©i Dci AveiY c‡o
M RviY †Kvl N RviY Aa©‡Kvl
M RviY wefe ‡ewk e‡j 147. ‡KvbwU W¨vwb‡qj †Kv‡li weRviY Aa©‡Kvl?
N MÖæc-IB G Aew¯’Z e‡j K Zn/ZnSO4 L Zn/Zn2+
138. Kcvi mvj‡dU (CaSO4) Gi eY© Kx? M CuSO4/Cu N Cu/CuSO4
K bxj L meyR 148. cÖK…Zc‡ÿ Zwor ivmvqwbK †Kv‡l †Kvb ai‡bi wewµqv msNwUZ nq?
 |

K ms‡hvRb L RviY L Pt, Sn2+(aq)/Sn4+

M weRviY N RviY-weRviY M Pt, Cu+(aq)/Cu2+(aq)
149. MVb‡f‡` Aa©‡Kvl‡K KZ fv‡M fvM Kiv hvq? N Pt, H2(g)/H+(aq)
K wZb fv‡M L `yB fv‡M 159. ‡KvbwU M¨vm Aa©‡Kvl?
M Pvi fv‡M N cvuP fv‡M K AgCl(s)/Cl–(aq) L Pt, H2(g)/H+(aq)
150. RviY Aa©wewµqv KZ cÖKvi? M Pt, Cu+(aq)/Cu2+(aq) N Pt, H2(g)/H+(aq)
K cvuP cÖKvi L wZb cÖKvi 160. M¨vm B‡jK‡Uªv‡W †Kvb avZz hyMj e¨envi Kiv nq?
M Pvi cÖKvi N `yB cÖKvi K Hg, Au L Hg, Pt
151. wb‡Pi †KvbwU avZz-avZe Avqb Aa©‡Kvl? M Pt, Au N Pt, V
K Na–Hg(s)/Na+(aq) 161. M¨vm B‡jK‡Uªv‡W KZ Pvc wbqš¿Y Kiv nq?
L Zn(s)/Zn2+(aq) K 1atm L 5 atm
M Hg(Ɩ):Hg2SO4(s)/SO42– M 2 atm N 10 atm
N Pt.Fe2+(aq)/Fe2+(aq) 162. weRviK B‡jKUªb Z¨vM Ki‡j RviY msL¨v---|
152. ‡KvbwU‡K avZz-avZe Avqb Aa©‡Kvl ej‡j Pig fzj n‡e? K ev‡o L K‡g
K Ni(s)/Ni2+(aq) L Ag(s)/Ag+(aq) M AcwiewZ©Z _v‡K N †Kv‡bv †Kv‡bv mgq ev‡o
M Ag(s)/AgSO4(aq) N Fe2+(aq)/Fe3+(aq),Ft 163. M¨vjfvwbK †Kv‡l ivmvqwbK kw³‡K †Kvb kw³‡Z iƒcvšÍi Kiv nq?
153. Ag+(aq) + e  Ag(s) wewµqvwU w`‡q †Kvl MVb Ki‡j n‡e- K Av‡jvK kw³‡Z L Zwor kw³‡Z
K Ag+(aq)/Ag+(s) L Ag(s)/Ag+(s) M Zvc kw³‡Z N †mŠikw³‡Z
M Ag(s)/AgSO4(aq) N Ag2SO4(aq)/Ag(s) 164. ‡KvbwU fzj?
154. avZzi A¨vgvjMvg avZe Avqb Aa©‡Kv‡l mwµq avZzi wb‡Pi †KvbwU K Ecell = Eanode(ox) + Ecathode (red)
e¨envi Kiv nq? L Ecell = Eanode(ox) – Ecathode (ox)
K Hg L Ag M Ecell = Ecathode (red) – Eanode(red)
M Pt N V N Ecell = Eanode(ox) + Ecathode (ox)
155. avZzi A¨vgvjMvg avZe Avqb Aa©‡Kvl wb‡Pi †KvbwU? 165. Rvwb‡qj †Kv‡li Zwo”PvjK ej KZ?
+ (+)
K Na–Hg(s)/Na (aq) L Ag–Hg(s)/Ag (aq) K 1.10V L 2.10V
+ +
M Ag(s)/Ag (aq) N Au–Hg(s)/Au M 3.10V N 2.20V
156. ‡KvbwU K¨v‡jv‡gj B‡jK‡UªvW? 166. jeY †mZz cÖKvkK wPý †KvbwU?
K Ag(s)AgCl(s)/Cl–(aq) K / L ||

L Hg(Ɩ)Hg2SO4(s)/ SO 4 (aq) M ( )N [ ]
M Pt, H2(g) (1atm)/H+(aq)(1M) 167. W¨vwb‡qj Aa©‡Kvl †KvbwU?
N Cl–(1M)/Hg2Cl2, Hg K Fe(s)/Fe2+(aq) L Ag(s)/AgCl(s)/Ag+(aq)
157. ‡KvbwUi avZz I avZzi A`ªeYxq jeY Aa©‡Kvl nIqv Am¤¢e? M Cu2+(aq)/Cu(s) N Sn4+(aq)/Sn2+(aq)
K Hg(Ɩ), Hg2Cl2(s)/Cl–(aq) 168. jeY †mZz‡Z wb‡Pi †KvbwU e¨envi Kiv hv‡e bv?
L Ag(s), AgCl(s)/Cl–(aq) K NH4NO3 L KNO3
M Hg(Ɩ), Hg2SO4(s)/ SO24  (aq) M KCl N CH3COONa
169. ‡Kvl wewµqv †Kv‡li †Kv_vq N‡U?
N Na–Hg(s)/Na+(aq)
K `y cÖv‡šÍ L Zwor we‡køl¨
158. ‡KvbwU wfbœ cÖK…wZi?
M e¨vUvwi‡Z N A¨v‡bv‡W
K Pt, Fe2+(aq)/Fe3+(aq)
 |

170. GKB avZzi `ywU wfbœ Avq‡bi Aa©‡Kv‡l wbw®Œq avZz e¨eüZ nq- N weRviY cÖeYZv e„w× cvq
K wewµqvi MwZ‡K n«vm L cwi‡kvlK Zj e„wׇZ 180. avZe Avq‡bi weRviY NU‡j Zvi Rb¨ wb‡Pi †Kvb Z_¨wU mwVK?
M M¨vm Drcbœ Ki‡Z N Avavb cwievnK wn‡m‡e K avZzi `ªeY Pvc Kg
171. ‡KvbwU wg_¨v M¨vm B‡jK‡Uªv‡W- L avZe Avq‡bi Am‡gvwUK Pvc †ewk
K ZvcgvÎv 0C G w¯’i ivLv nq M avZzi Avq‡bi Am‡gvwUK Pvc Kg
L Avq‡bi NbgvÎv 1M ivLv nq N avZzwU mwµqZv wmwi‡Ri wb‡Pi w`‡K Aew¯’Z
M Pvc 1atm w¯’i ivLv nq 181. cÖgvY nvB‡Wªv‡Rb ZworØv‡ii wefe KZ?
N Pt B‡jK‡UªvW e¨envi Kiv nq K –2.10V L 3.30V
172. cÖgvY Ae¯’vq ZworØv‡ii wefe‡K Kx e‡j? M 1.10V N 0.00V
K cÖgvY ZworØvi wefe L RviY ZworØvi wefe 182. cÖwZwU †Kv‡l Kq ai‡bi ZworØvi wefe Drcbœ n‡Z cv‡i?
M weRviY ZworØvi wefe N K¨v‡jv‡gj ZworØvi wefe K wZb L Pvi
173. wewfbœ ZworØvi wef‡ei gvb wbY©‡q e¨eüZ nvB‡Wªv‡Rb ZworØvi‡K M `yB N cvuP
Kx e‡j? 183. B¯úv‡Z †Kvb Dcv`vbwU _v‡K?
K gyL¨ ZworØviL wb‡`©kK ZworØvi K wb‡Kj L Kcvi
M †MŠY ZworØvi N K¨v‡jv‡gj ZworØvi M wR¼ N gwje‡Wbvg
174. ZworØvi wefe Kvi Dci Awbf©ikxj? 184. avZzÿ‡qi Av‡M †KvbwU msNwUZ nq?
K avZe cÖK…wZ L Avq‡bi NbgvÎv K ‡fvëv †Kvl L Zwor we‡kølY †Kvl
M `ªe‡Yi NbgvÎv N cvwicvwk¦©K Ae¯’v M W¨vwb‡qj †Kvl N Pj‡Kvl
175. avZe cigvYyi mwµqZv †ewk n‡j †KvbwU Kg nq? 185. K¨v‡jv‡gj ZworØv‡ii wefe KZ?
K Am‡gvwUK Pvc L `ªeY Pvc K 0.00V L –2.10V
M Zwor cÖevn N B‡jKUª‡bi cÖevn M –1.10V N 0.24V
176. ‡KvbwU wg_¨v? 186. avZzi ÿq †iv‡a ‡Kvb cÖwµqv e¨envi Kvh©Ki f~wgKv ivL‡Z cv‡i bv?
K avZzi ZworØvi wefe = avZzi `ªeY Pvc – `ªe‡Yi Am‡gvwUK Pvc K A¨v‡bv‡Wi RviY wef‡ei gvb Kwg‡q
L avZzi `ªeY Pvc = avZzi ZworØvi wefe – `ªe‡Yi Am‡gvwUK Pvc L K¨v‡_vW I A¨v‡bv‡Wi wef mgvb K‡i
M avZzi `ªeY Pvc = avZzi ZworØvi wefe + `ªe‡Yi Am‡gvwUK Pvc M avZzi cwie‡Z© m¼i avZz e¨envi K‡i
N `ªe‡Yi Am‡gvwUK Pvc = avZzi `ªeY Pvc – avZzi ZworØvi wefe N avZzwU‡K A¨v‡bvW wn‡m‡e e¨envi K‡i
177. wR¼ avZzi weRviY ZworØvi wef‡ei gvb KZ? 187. ‡KvbwUi cÖgvY ZworØvi wefe abvZ¥K?
K 0.76V L – 0.76V K I2 L Br2
M – 0.44V N –0.44V M O2 N Nb
178. M¨vm B‡jK‡Uªv‡W wbw®Œq avZz e¨envi Kiv nq KviY- 188. ‡KvbwUi cÖgvY weRviY wef‡ei FYvZ¥K gvb †ewk?
K GwU M¨vm †kvlY K‡i KK L Zn
L wewµqv NUv‡Z mvnvh¨ K‡i M Na N Ca
M M¨v‡mi cwigvY e„w× K‡i 189. ‡KvbwUi cÖgvY RviY wef‡ei abvZ¥K gvb †ewk?
N B‡j‡±vW wn‡m‡e KvR K‡i K Cl2 L I2
179. wef‡ei abvZ¥K gvb evo‡Z _vK‡j- M Br2 N Ag
K B‡jKUªb PjvPj n«vm cvq 190. ‡KvbwUi cÖgvY weRviY wef‡ei gvb - e¨wZµgagx©?
L avZzi `ªexf~Z nIqvi cÖeYZv ev‡o K Fe L Zn
M RviY gvb n«vm cvq M Cu N Pb
 |

191. Zwor †Kv‡li ivmvqwbK wewµqv †Kvb ai‡bi? K wewµqv mvg¨e¯’vq DcbxZ nq
K RviY weRviY L ms‡hvRb L wewµqv †cQ‡bi w`‡K AMÖmi n‡j
M we‡qvRb N mgvYyKiY M wewµqv mvg‡bi w`‡K AMÖmi n‡j
192. Zwor we‡køl‡Yi mgq avZz †Kv_vq B‡jKUªb Z¨vM K‡i? N wewµqvi MwZ‡eM k~b¨ n‡j
K A¨v‡bv‡W L K¨v‡_v‡W 202. wb‡Pi †Kvb †Kv‡li Zwo”PvjK ej 2 †fvë?
M Zwor we‡køl¨ K ‡jW mÂqK †Kvl L WªvB‡mj
N K¨v‡_vW I A¨v‡bvW Df‡q M wjw_qvg e¨vUvwi N wjw_qvg Avqb e¨vUvwi
193. A¨v‡bvW ZworØvi‡K Kx ejv nq? 203. gwiPv †ivaK B¯úv‡Z †KvbwU e¨envi nq bv?
K RviY-ZworØvi L K¨v‡_vW ZworØvi K Kve©b L ‡µvwgqvg
M RviY-weRviY ZworØvi N Zworwe‡køl¨ ZworØvi M wb‡Kj N wR¼
194. `ywU Zwor we‡kø‡l¨i ms‡hvM ¯’vc‡bi Rb¨ †KvbwU e¨envi Kiv nq? 204. ‡KvbwU gyL¨ wb‡`©kK ZworØvi?
K jeY ‡mZz L ZviRvwj K KzBbnvB‡Wªvb ZworØvi L nvB‡Wªv‡Rb ZworØvi
M †mj †gg‡eªb N Zworwe‡køl¨ ZworØvi M wmjfvi-wmjfvi †K¬vivBW ZworØvi
195. Zworwe‡køl¨ c`v‡_©i NbgvÎv wb‡`©‡ki †ÿ‡Î †KvbwU e¨envi Kiv nq? N K¨v‡jv‡gj ZworØvi
K() L[] 205. K¨v‡jv‡gj ZworØv‡i Zworwe‡køl¨ wn‡m‡e ‡KvbwU e¨envi Kiv nq?
M { } N || || K Hg2Cl2 L KCl
196. RvwiZ nIqvi c~‡e©j Ae¯’vb hw` M¨vm Zij ev Avqb nq Z‡e RviY M Cu ¸uov N HgO
ZworØv‡ii c~‡e© †KvbwU e¨envi Kiv nq? 206. M¨vjfv‡bvwgUv‡i we‡ÿc k~b¨ n‡j-
K Hg L Pt K M¨vjfv‡bvwgUvi APj n‡q c‡o
M Mo N Nb L M¨vjfv‡bvwgUv‡ii Zwor cwienb nq bv
197. cÖgvY ZworØvi wefe‡K †KvbwU Øviv cÖKvk Kiv nq?
M M¨vjfv‡bvwgUv‡ii wefe k~b¨ nq
K E L H
N M¨vjfv‡bvwgUv‡i wefe abvZ¥K nq
M H0 N Hcell
207. `ªe‡Y avZe Avq‡bi msL¨v e„w× †c‡j Zvi Am‡gvwUK Pvc-
198. cixÿvaxb †gŠ‡ji cÖavb ZworØv‡ii hy³ ZworØvi‡K Kx e‡j?
K e„w× cvq L n«vm cvq
K cÖgvY †idv‡iÝ ZworØvi L †idv‡iÝ ZworØvi
M AcwiewZ©Z _v‡K
M cÖgvY ZworØvi N K¨v‡jv‡gj ZworØvi
N cÖ_‡g e„w× cvq c‡i n«vm cvq
199. ‡KvbwU †idv‡iÝ ZworØvi wn‡m‡e KvR K‡i?
208. weÁvwb bvb©÷ K‡e Zvi ZË¡ cÖ`vb K‡ib?
K Pt, H2(g)/H+(aq)
K 1889 L 1989
L Pt, Fe2+(aq)/Fe3+(aq)
M 1789 N 1879
M Hg(Ɩ), Hg2Cl2(s)/Cl–
209. jeY †mZzi g‡a¨ †KvbwU e¨envi Kiv nq?
N Hg(Ɩ), Hg2SO4(s)/SO42–(aq)
K KNO3 L NaCl
200. wbw`©ó cwigvY B‡jKUªb ¯’vbvšÍ‡ii Rb¨ †h cwigvY Zwor cÖevwnZ n‡e
M MgCl2 N AlCl3
Zv Kx‡mi Dci wbf©i K‡i?
210. Ôbvb©‡÷i ZË¡ Abyhvqx avZz ev H2 Gi wKQz Ask `ªe‡Y ev ¯^ ¯^ abvZ¥K
K ZworØv‡ii wefe cv_©‡K¨i Dci
Avqb wn‡m‡e P‡j hvIqvi cÖeYZv Kx e‡j?
L Zwor we‡kø‡l¨i cÖK…wZi Dci
K `ªeY Pvc L Am‡gvwUK Pvc
M ZworØv‡ii cÖK…wZi Dci
M ev®úxq Pvc N M¨vmxq Pvc
N `ªe‡Yi ZvcgvÎvi Dci
211. avZz‡K ev H2 †K hLb je‡Yi `ªe‡Yi g‡a¨ Wzev‡bv nq ZLb Gi Dci
201. KLb †Kvl wef‡ei gvb k~b¨ nq? Gi Avqb mwÂZ nIqvi cÖeYZv‡K Kx e‡j?
 |

K ev®úxq Pvc L Am‡gvwUK Pvc 219. jeY †mZz mvaviYZ †Kgb AvK…wZi nq?
M `ªeY Pvc N M¨vmxq Pvc KU L Dëv U
212. avZzi ZworØvi wef‡ei gvb Zvi `ªeY Pvc I Zvi Avq‡bi Am‡gvwUK MV N Dëv V
Pv‡ci cv_©‡K¨i- 220. jeY †mZz GKwU-
K mgvb L A‡a©K K c‡ivÿ ms‡hvM L cÖZ¨ÿ ms‡hvM
M ‡_‡K 1 Kg N †_‡K 1 †ewk M cÖwZeÜb N B‡jK‡UªvW
213. avZzi `ªeY Pvc Zvi Avq‡bi Am‡gvwUK Pvc A‡cÿv A‡cÿvK…Z Kg 221. ‡KvbwU fzj?
n‡j †KvbwU N‡U?
K Zwor we‡køl‡Y RviY Aa©‡Kv‡l K¨vUvq‡bi AvwaK¨ N‡U
K avZe Avqb `ªæZ ZworØv‡i cwie¨vß nq
L jeY †mZz †Kv‡li `ªe‡Yi c‡ivÿ ms‡hvM
L avZz avZe Avqb wn‡m‡e `ªe‡Y cÖ‡ek K‡i
M jeb †mZz‡Z KCl, KNO3, Na2SO4 BZ¨vw`i `ªeY e¨envi Kiv
M ZworØvi FYvZ¥K Pv‡R© PvwR©Z nq nq
N avZz B‡jKUªb Z¨vM K‡i N jeY †mZz †Kv‡li cÖevn eÜ K‡i
214. ZworØvi wefe KZ cÖKvi? 222. Fe+CuSO4 = FeSO4 + Cu G wewµqvwUi †ÿ‡Î Fe2+/Fe I
K wZb L Pvi Cu2+/Cu Gi weRviY wefe h_vµ‡g – 0.44V I +0.34V. MwVZ
M cvuP N `yB †Kv‡li †ÿ‡Î †KvbwU mwVK?
215. ‡KvbwU fzj? K ‡Kvl wewµqv ¯^Ztù~Z© n‡e
K Zwo”PvjK ej n‡jv `ywU ZworØv‡ii wef‡ei †hvMdj L †Kvl wewµqv ¯^Ztù~Z© bq
L B‡jKUªb Z¨v‡Mi d‡j RviY wefe m„wó nq M †Kvl wef‡ei gvb FYvZ¥K
M B‡jKUª‡bi MÖn‡Yi d‡j weRviY wefe m„wó nq N Wvb ZworØv‡i RviY N‡U
N `ywU ZworØv‡ii wefe cv_©K¨B n‡jv Zwo”PvjK ej 223. 25C ZvcgvÎvq 0.2M Ag+ `ªe‡Yi Ag ZworØvi Wzev‡j ZworØvi
216. ‡Kvb mgxKiYwU‡K mwVK ejv hv‡e bv? wefe KZ n‡e?

K G = G + RT InK K – 0.8403V L – 0.8404 V

L Ecell = ERight(red) – ELeft(ox) M 0.1013V N – 0.1013 V

224. ‡h ZworØvi e¨envi K‡i ARvbv ZworØv‡ii wefe wbY©q Kiv nq Zv‡K
2.303RT
M Ecell  Ecell  log Kx e‡j?
nF
K K¨v‡jv‡gj ZworØvi L KzBbnvB‡Wªvb ZworØvi
Drcv` Avq‡bi NbgvÎv
M wb‡`©kK ZworØvi N cÖgvY ZworØvi
wewµqK Avq‡bi NbgvÎv
225. ‡KvbwU K¨v‡jv‡gj?
0.592
N Ecell  Ecell  log K Hg2Cl2 L KCl
2
M Hg N Na–Hg
wewµqK Avq‡bi NbgvÎv
226. Zn/Zn2+(0.15M) || Cu2+(0.1M) | C †Kv‡l wewµqvi d‡j Kx
Drcv` Avq‡bi NbgvÎv
cwigvY gy³kw³i cwieZ©b NU‡e| ‡hLv‡b †Kv‡li RviY I weRviY
217. ‡Kv‡li wewµqv KLb ¯^Ztù~Z© nq? wefe h_vµ‡g 0.76V I 0.34V|
K E‡Kvl abvZ¥K n‡j L E‡Kvl FYvZ¥K n‡j K –1.10kJ L 0.76 kJ
M E‡Kvl abvZ¥K n‡j N E‡Kvl FYvZ¥K n‡j M –0.46kJ N –212.3 kJ
218. Zn(s)/Zn2+(aq)||Cu2+(aq)/Cu(s) †Kv‡li RviY wef‡ei gvb 227. Zn/Zn2+=0.76V| G Zwor Øvi‡K nvB‡Wªv‡Rb ZworØv‡ii mv‡_ hy³
h_vµ‡g +0.763V Ges –0.34V| Gi Zwo”PvjK ej KZ? Ki‡j wefe KZ n‡e?
K –1.103V L 1.103V K –0.76V L –0.34V
M 0.423V N –0.423V M 0.76 V N 1.10 V
 |

228. 25C ZvcgvÎvq Ni(s)/Ni2+ (0.15M) || Ag+ (0.25M)/Ag(s) N nvB‡Wªv‡Rb ZworØvi

†KvlwUi Zwo”PvjK ej KZ? †hLv‡b, Ni(s)/Ni2+(aq) = 0.25V| 237. DfgyLx ZworØvi‡K KqwU †kÖwY‡Z fvM Kiv nq?
Ag+/Ag = 0.799 V| K 2wU L 3wU
K 1.13V L 2.10V M 4wU N 5wU
M 1.006 V N –1.10V 238. ‡KvbwU cÖ_g †kÖwYi ZworØvi ej‡j fzj n‡e?
229. Cu/Cu2+ (0.15M)/Ag+ (0.1M)/Ag †Kv‡li Zwo”PvjK ej K Zn(s)/Zn2+(aq)
KZ? †hLv‡b EAg / Ag  0.799 V L Cu(s)/Cu2+(aq)
ECu 2 / Cu  0.337 V . M Fe(s)/Fe2+(aq)
K 1.54V L 0.412V N Pt, Hg(Ɩ)/Hg2Cl2(s)/KCl(aq)
M 0.427 V N 1.097 V 239. ‡KvbwU avZz I avZe Avqb ZworØvi e¨ZxZ Ab¨ ZworØvi?
230. M¨vjfvwbK †Kv‡l abvZ¥K ZworØvi- K Zn(s)/Zn2+(aq)
K A¨v‡bvW bv‡g cwiwPZ L Fe(s)/Fe2+(aq)
L K¨v‡_vW wn‡m‡e e¨envi nq M Cu(s)/Cu2+

M A¨vbvqb‡K AvKl©Y K‡i N Ag(s)/AgCl(s)/HCl(aq)

240. ‡KvbwU A¨vgvjMvg ZworØvi ej‡j mwVK n‡e bv?
N B‡jKUªb Z¨vM K‡i RvwiZ nq
231. wb‡Pi †KvbwU abvZ¥K I FYvZ¥K Avqb m„wói gva¨‡g m¤úbœ n‡Z K Hg–Li(s)/Li2+(aq)
cv‡i? L Hg–Na(s)/Na+(aq)
K Zwor cwienb L Av‡jvi we”QziY M Hg(Ɩ)/Hg2Cl2(s)/KCl(aq)
M kã Zi½ cwienb N Av‡jvi wewKiY N Hg–K(s)/K+(aq)
232. Zwor we‡køl‡Yi mgq Zwor we‡kø‡l¨i g‡a¨ Wzev‡bv avZe `Û mg~n‡K 241. ‡KvbwU e¨wZµg?
Kx e‡j? K Ag(s)/AgCl(s)/HCl(aq)
K jeY †mZz L ZworØvi L Pt, Hg(Ɩ)/Hg2Cl2/KCl(aq)
M e¨vUvix N K¨v‡_vW M Pt, H2(g)/HCl(aq)/H2(g) Pt
233. ‡KvbwU fzj? N Al(s)/AlCl3(s)/HCl
K K¨v‡_vW w`‡q B‡jKUªb `ªe‡Y cÖ‡ek K‡i 242. Pt, Fe2+(aq)/Fe3+(aq) ZworØviwUi †ÿ‡Î †KvbwU wg_¨v?
L K¨v‡_vW e¨vUvwii FYvZ¥K cÖv‡šÍi mv‡_ hy³ _v‡K K ZworØv‡i RviY N‡U‡Q
M A¨v‡bvW e¨vUvwii FYvZ¥K cÖv‡šÍi mv‡_ hy³ _v‡K L ZworØviwUi wewµqv Dfq w`K NU‡Z cv‡i
N A¨v‡bvW Øviv B‡jKUªb `ªeY †Q‡o P‡j hvq M wbw®Œq avZz ˆe`y¨wZK ms‡hvM m„wó K‡i
234. nvB‡Wªv‡Rb ZworØv‡i B‡jK‡UªvW wn‡m‡e †KvbwU e¨envi Kiv nq? N wecixZ w`‡K AMÖmi n‡Z cv‡i bv
K Au L Pt 243. KzBbnvB‡Wªvb ZworØv‡i-
M Ag N Mo K RviY-weRvi‡Y N‡U L wØcÖwZ¯’vcb N‡U
235. Zwor wefe wbY©q Ki‡Z †Kv‡l †KvbwU e¨envi Kiv nq? M cvwb †hvRb N‡U N cÖkgb N‡U
K A¨vwgUvi L †fvëwgUvi 244. KzB‡bv‡bi MvVwbK ms‡KZ †KvbwU?
M †MvjvwiwgUvi N g‡bvwgUvi O OH
236. ‡KvbwU‡K DfqgyLx ZworØvi ej‡j fzj n‡e?
K L
K avZz avZe Avqb ZworØvi
L A¨vgvjMvg ZworØvi O OH
M K¨v‡jv‡gj ZworØvi
 |

O- - - - -H  O OH N Kg mwµq avZzi Am‡gvwUK Pvc Kg

252. `ªeY Pvc Am‡gvwUK Pvc A‡cÿv eo n‡j wb‡Pi †KvbwU mwVK?
M N
K avZz avZe Avqb wn‡m‡e `ªe‡Y `ªexf~Z nq
O- - - - - H  O O L avZe cvZ K¨v‡_vW wn‡m‡e KvR K‡i
245. ‡KvbwU †_‡K `ªe‡Y mg‡gvjvi KzB‡bvb I nvB‡WªvKzB‡bvb cvIqv hvq? M avZe Avqb avZe cv‡Zi Mv‡q Rgv nq
K KzBbnvB‡Wªvb L c¨v‡iv‡K¬v‡iv nvB‡Wªvb N avZe cvZ w`‡q B‡jKUªb `ªe‡Y †Q‡o hvq
M WvB †K¬v‡iv nvB‡Wªvb N WvB KzB‡bvb 253. wR¼ mvj‡dU (ZnSO4) eY©nxb †Kb?
246. KzBb nvB‡Wªvb B‡jK‡Uªv‡Wi Zwo”PvjK ej KZ? K Zn MÖæc IIB G Aew¯’Z e‡j
K 3.10V L 2.10 V L Zn Ae¯’všÍi †gŠj e‡j
M 0.28 V N 0.76 V M RviYgvb w¯’i e‡j
247. ‡KvbwU cÖgvY nvB‡Wªv‡Rb ZworØv‡ii pH wbY©‡qi e¨envi nq? N dvuKv 4 AiweUvj †bB e‡j
Ecell  0.2415 254. jeY †mZzi Rb¨ †KvbwU e¨envi Kiv hv‡e bv?
K pH 
0.0591 K LiCl L KCl
E M KNO2 N NH4NO3
L pH  cell
0.059 255. Zwor †Kv‡l ivmvqwbK kw³ †_‡K we`y¨r Drcbœ Kivi mgq wewµqv
E  EG  Ecell N‡U?
M pH  SCE
0.0591 K RviY L weRviY
0.4581  Ecell M ms‡hvRb N †iW·
N pH 
0.0591 256. Zwor we‡kølYKv‡j ‡KvbwU N‡U?
248. ‡KvbwU avZz I avZe Avqb ZworØvi? K A¨v‡bvW ÿq cÖvß nq
K Pt, Fe2+(aq)/Fe3+(aq) L K¨v‡_vW ÿqcÖvšÍ nq
L Pt, Ag(s)/AgCl(s)/HCl M A¨vbvqb K¨v‡_v‡W B‡jKUªb †Q‡o †`q
M Pt, Hg(Ɩ)/Hg2Cl2(s)/KCl(aq) N A¨v‡bvW B‡jKUªb MÖnY K‡i
2+
N Zn(s)/Zn (aq) 257. W¨vwb‡qj †Kv‡l A¨v‡bvW wn‡m‡e †KvbwU e¨envi Kiv nq?
249. ‡KvbwU wg_¨v?
K Zn L Cu
K `ªeY Pvc  Am‡gvwUK Pvc = RviY ZworØvi M Ag N Hg
L `ªeY Pvc  Am‡gvwUK Pvc = RviY ZworØvi 258. ‡jKj¨vÝ †m‡j MnO2 †Kb e¨envi Kiv nq?
M `ªeY Pvc  Am‡gvwUK Pvc = weRviY ZworØvi K A¨v‡bvW wn‡m‡e L B‡jK‡UªvjvBU wn‡m‡e
N Zwo”PvjK ej = RviY wefe + weRviY wefe M B‡jK‡UªvjvB‡Ui ZijZv e„wׇZ
250. ZworØvi MV‡bi mgq jNy H2SO4 e¨envi Kiv nq †Kb? N †Kv‡li †cvjvqb wµqv `~i Ki‡Z
K jNy Gwm‡Wi RviY ag© †ewk 259. B‡jK‡UªvjvBwUK †Kvl GKwU-
L jNy Gwm‡Wi RviY ag© Kg e‡j K wØcÖ‡Kvô †Kvl L GK cÖ‡Kvô †Kvl
M jNy Gwm‡W AwaK cwigvY Avqb _v‡K M ¯^Ztù~©Z wewµqv N B‡jKUªwbK †Kvl
N jNy GwmW avZzi je‡Yi mv‡_ wewµqv K‡i bv e‡j 260. B‡jK‡UªvjvBwUK ‡Kv‡li †ÿ‡Î †KvbwU fzj?
251. ‡KvbwU mwVK? K Zwor kw³ ivmvqwbK kw³‡Z cwiYZ nq
K AwaK mwµq avZzi `ªeY Pvc †ewk L Zworwe‡køl¨ c`v‡_©i ˆewk‡ó¨i cwieZ©b N‡U
L Kg mwµq avZzi `ªeY Pvc †ewk M A¨v‡bvW FYvZ¥K Ges K¨v‡_vW abvZ¥K
M AwaK mwµq avZz K¨v‡_vW wn‡m‡e e¨eüZ nq N B‡jKUª‡bi cÖev‡ni wecixZ w`‡K Zwor cÖevwnZ nq
 |

261. B‡jK‡UªvjvBUK ‡Kv‡li A¨v‡bv‡W †KvbwU NUv Am¤¢e? L Zwor we‡kø‡l¨i Dci
K Cl – e  Cl
– –
L Na  Na + e+
M ZworØv‡ii cÖK…wZi Dci
M Zn  Zn + 2e 2+ – 2+
N Cu (aq)+ 2eCu(s) N Zwor we‡kø‡l¨i NbgvÎvi Dci
262. ZworØvi A¨v‡bvW bv K¨v‡_vW Zv †KvbwUi Dci wbf©i K‡i? 271. W¨vwb‡qj †m‡ji wefe cv_©K¨ KZ?
K Zwor we‡kø‡l¨i cÖK…wZi Dci K 1.1 V L 2.1V
L A¨v‡bv‡Wi cÖK…wZi Dci M 3.1 V N 1.17 V
M K¨v‡_v‡Wi cÖK…wZi Dci 272. M¨vjfvwbK †m‡j e¨eüZ cv‡Îi †ÿ‡Î †KvbwU wg_¨v?
N Aa©wewµqvi cÖK…wZi Dci K ZnSO4 `ªeY _v‡K
263. ‡KvbwU‡K Zworwe‡køl¨ †Kvl e¨envi Kiv nq? L B‡jKUªb PjvPj Ki‡Z cv‡i
K UP© jvBU M Avqb PjvPj Ki‡Z cv‡i bv
L CD †cøqv‡i R¡vjv‡bv N Avqb PjvPj Ki‡Z cv‡i
M B‡j‡±ªv‡cøwUs 273. Zwor we‡kølY †Kv‡l-
N wewfbœ B‡jKUªwbK †Ljbv Pvjv‡bv K Avqb cÖev‡ni wecixZ w`‡K Zwor cÖevwnZ nq
264. B‡jK‡UªvjvBwUK Ki‡Z †Kvb avZzi cÖ‡jc e¨envi Kiv nq? L A¨v‡bvW abvZ¥K Avavb hy³
K Zn L Cu M ivmvqwbK kw³ Zwor kw³‡Z iƒcvšÍwiZ nq
M Ag N Fe N K¨v‡_vW abvZ¥K hy³
265. weø÷vi Kcv‡i KZ kZvsk Kcvi _v‡K? 274. M¨vjfvwbK †Kv‡l-
K 98-99.5% L 96-98% K A¨v‡bvW I K¨v‡_vW wbw`©ó
M 91-96% N 95-96% L A¨v‡bvW abvZ¥K Avavbhy³
266. B‡jK‡UªvjvBwUK †Kv‡l Kxfv‡e kw³ Drcbœ nq? M B‡jKUª‡bi cÖev‡ni wecixZ w`‡K Zwor cÖevwnZ nq
K ¯^Ztù~Z© †iW· wewµqv N Zwor kw³‡K ivmvqwbK kw³‡Z iƒcvšÍwiZ Kiv nq
L A¯^Ztù~Z© †iW· wewµqv 275. M¨vjfvwbK †Kv‡l-
M wbDwK¬qvi wewµqv K Zworwe‡køl¨ c`v_© _v‡K bv
N ¯^Ztù~Z© RviY wewµqv L Zwo”PvjK e‡ji gvb ZworØv‡ii ivmvqwbK cwieZ©‡bi gvÎvi
267. ﮋ †Kv‡l Kx ai‡bi B‡jK‡UªvjvBU e¨envi Kiv nq? Dci wbf©i K‡i bv
K Zij L M¨vmxq M ¯^Ztù~Z© RviY-weRviY N‡U bv
M †c÷ N KwVb N A¨v‡bv‡W RviY Ges K¨v‡_v‡W weRviY N‡U
268. M¨vjfvwbK †Kv‡li †ÿ‡Î ‡KvbwU wg_¨v? 276. ‡KvbwU wfbœ cÖK…wZi?
K ¯^Ztù~Z© RviY-weRviY N‡U K WªvB‡mj L †jW †÷v‡iR e¨vUvwi
L ivmvqwbK kw³ Zwor kw³‡Z iƒcvšÍwiZ nq M wjw_qvg Avqb e¨vUvwi N wjw_qvg e¨vUvwi
M wm‡÷g cwi‡e‡ki Dci wµqv K‡i 277. ‡KvbwU‡Z evB‡i †_‡K ivmvqwbK kw³ mwÂZ Kiv nq?
N A¨v‡bvW abvZ¥K Ges K¨v‡_vW FYvZ¥K PvR©hy³ K ‡jW †÷v‡iR e¨vUvwi L M¨vjfvwbK †Kvl
269. ‡KvbwU‡Z B‡jK‡UªvjvBwUK †mj e¨envi Kiv nq? M WªvB‡mj N Zwor we‡kølY †Kvl
K UP©jvBU L CD †cøqvi 278. ‡jW †÷v‡iR e¨vUvwi‡Z †KvbwU A¨v‡bvW wn‡m‡e e¨envi Kiv nq?
M wewfbœ ˆe`y¨wZK hš¿ N avZz wb®‹vkb K ‡jW Avqb L †jW avZz
270. W¨vwb‡qj †Kv‡li Zwo”PvjK ej †KvbwUi Dci wbf©i K‡i? M wj_v©R N †jW mvj‡dU
K ZworØv‡ii ivmvqwbK cwieZ©‡bi Dci 279. ‡KvbwU‡K wj_v©R e‡j?
K PbSO4 L Pb
 |

M PbO2 N PbCl2 M Pb2+ Avqb HSO4 Gi mv‡_ wewµqvq A`ªeYxq PbSO4 Drcbœ
280. ‡jW †÷v‡iR e¨vUvwi‡Z H2SO4 Gi Av‡cwÿK ¸iæZ¡ KZ? K‡i
K 2.15 L 1.15 N K¨v‡_v‡W PbO2 Gi Rvi‡Y Pb2+ Avqb Drcbœ nq
M 0.115 N 1.95 289. weÁvbx cøv›U KZ mv‡j †jW †÷v‡iR e¨vUvwi Avwe®‹vi K‡ib?
281. ‡jW †÷v‡iR e¨vUvwii PvwR©Z Ae¯’v †KvbwU? K 1834 mv‡j L 1833 mv‡j
K Pb(s)/H2SO4 hv PbSO4 Øviv m¤ú„³ | PbO2(s) Pb(s) M 1859 mv‡j N 1869 mv‡j
L Pb(s)/PbSO4 hv H2SO4 Øviv m¤ú„³ | PbO2(s) Pb(s) 290. wjw_qv‡gi †ÿ‡Î †KvbwU mwVK?
M Pb(s).PbO2(s) | Pb(s)/PbSO4 hv H2SO4 Øviv m¤ú„³ K cvwb‡Z fvm‡Z cv‡i bv L fvix avZz
N Pb(s).PbO2(s) | Pb(s)/H2SO4 hv PbSO4 Øviv m¤ú„³ M AZ¨šÍ mwµq avZz N Amwµq avZz
282. ‡jW †÷v‡iR e¨vUvwi‡Z †KvbwU Zworwe‡køl¨ wn‡m‡e e¨envi Kiv nq? 291. wjw_qvg e¨vUvwi Kq ai‡bi n‡q _v‡K?
K PbSO4 L PbO2 K `yB L wZb
M H2SO4 N PbCl2 M Pvi N cvuP
283. ‡jW †÷v‡iR e¨vUvwii Zwo”PvjK ej KZ? 292. wjw_qvg e¨vUvwi‡Z KZ ch©šÍ wefe cv_©K¨ m„wó n‡Z cv‡i?
K 1.10 V L 2.10 V K 0.1-0.2 V L 1.0-3.0 V
M 1.15 V N 2.03 V M 1.5-3.0 V N 2.0-3.0 V
284. e¨vUvwi‡K Pv‡R©i mgq wb‡Pi †Kvb wewµqvwU N‡U? 293. ‡KvbwU wiPv‡R©i cÖ‡qvRb c‡o bv?
K Pb + PbO2(s) + 4H + 2SO4  2PbSO4(s) + 2H2O
+
K wjw_qvg e¨vUvwi L wjw_qvg Avqb e¨vUvwi
L PbSO4(s) + 2H2O  Pb(s) + PbO2(s) + 4H+ + 2SO42– M ‡jW †÷v‡iR e¨vUvwi N gviKvwi e¨vUvwi
M PbO2 + H2SO4  PbSO4(s) + H2O 294. wjw_qvg Avqb e¨vUvwi‡Z wb‡Pi †KvbwU K¨v‡_vW wn‡m‡e e¨eüZ nq
N 2H2SO4 4H + 2SO
+ 2– bv?
285. GKwU Mvwo‡Z 2V †fv‡ëi 6wU †Kvl mgvšÍivj mw¾Z K‡i ivLv K LiCoO2 L LiMn2O4
n‡q‡Q| e¨vUvwi‡Z †gvU KZ †fvë Zwo”PvjK ej Drcbœ nq? M LiNiO2 N LiClO4
K 2 †fvë L 3 ‡fvë 295. ‡KvbwU mvjwdDwiK Gwm‡Wi NbgvÎv cwigv‡Y e¨envi Kiv nq?
M 6 †fvë N 12 †fvë K e¨v‡ivwgUvi L nvB‡WªvwgUvi
286. ‡jW †÷v‡iR e¨vUvwi‡Z e¨eüZ H2SO4 Gwm‡Wi NbgvÎv KZ _v‡K? M _v‡gv©wgUvi N †cvjvwiwgUvi
K 2M L 1M 296. wjw_qvg e¨vUvwi‡Z 6.94 g wjw_qvg †_‡K KZ d¨viv‡W we`y¨r Drcbœ
M 0.5M N 4.5 M nq?
287. wWmPv‡R©i mgq A¨v‡bvW I K¨v‡_vW Dfq wewµqvq HSO4 Ask K 0.5 F L1F
MÖnY K‡i †Kb? M 0.1 F N 10 F
K H2SO4 kw³kvjx GwmW e‡j 297. ‡KvbwU K¨vjKz‡jU‡i e¨envi Kiv nq?
L H2SO4 †cÖvUb Z¨vM K‡i e‡j K ‡jW †÷v‡iR e¨vUvwi L wjw_qvg e¨vUvwi

M HSO4 GwmW wn‡m‡e KvR K‡i e‡j M wjw_qvg †÷v‡iR e¨vUvwi N wjw_qvg RST e¨vUvwi
298. nvU© †cP‡gKviiƒ‡c †KvbwU e¨eüZ nq?
N HSO4 ÿviK wn‡m‡e KvR K‡i e‡j
K wjw_qvg SVO e¨vUvwi L wjw_qvg Avqb e¨vUvwi
288. ‡jW †÷v‡i‡Ri †ÿ‡Î †KvbwU fzj?
M †jW †÷v‡iR e¨vUvwi N wjw_qvg RST e¨vUvwi
K ‡jW †÷v‡iR e¨vUvwi‡Z Dfq Aa©‡Kv‡l Pb2+ Drcbœ nq
299. wjw_qvg Avqb e¨vUvwi Zworwe‡køl¨ wn‡m‡e †KvbwU e¨envi Kiv nq
L A¨v‡bvW Pb Gi Rvi‡Y Pb2+ Avqb Drcbœ nq bv?
K WvBwg_vBj Kve©‡bU L B_vBj wg_vBj Kve©‡bU
 |

M wjw_qvg Avqib dm‡dU N wjw_qvg cvi‡K¬v‡iU 310. wjw_qvg e¨vUvwi †_‡K †Kvb M¨vm wbM©Z nq?
300. ‡jW †÷v‡iR e¨vUvwi‡Z Zwor cÖevn cvIqv hvq bv KLb? K O2 L H2
K mg¯Í Pb Ges PbO2, PbSO4 †Z iƒcvšÍwiZ n‡j M N2 N CO2
L mvjwdDwiK Gwm‡Wi NbgvÎv †e‡o †M‡j 311. ‡KvbwU Zzjbvg~jKfv‡e ¯’vqx?
M PbSO4 e¨vUvwii Zjvq Rgv n‡j K wb‡Kj e¨vUvwi L †jW e¨vUvwi
N e¨vUvwii emf Gi gvb 2V Gi Kg n‡j M wjw_qvg e¨vUvwi N gviKvwi e¨vUvwi
301. ‡jW ‡÷v‡iR e¨vUvwi wiPvR© Kivi mgq- 312. wjw_qvg Avqb e¨vUvwi‡Z †KvbwU e¨envi Kiv nq?
K PbO2 †cøU we`y¨r Dr‡mi FYvZ¥K cÖv‡šÍi mv‡_ hy³ Kiv nq K LiNiO2 L LixC6
L Aa©‡Kvl wewµqv D‡ëvfv‡e msNwUZ nq M Ag2V4O11 N LiClO4
M Pb †cøU‡K FYvZ¥K cÖv‡šÍi mv‡_ mshy³ Kiv nq 313. dz‡qj †mj cÖ_g Avwe®‹vi K‡ib †Kvb weÁvbx?
N PbO2 I Pb, PbSO4– †Z iƒcvšÍwiZ nq K m¨vi DBwjqvg ievU© L m¨vi ievU©mb
302. hLb †Kvl Zwor Drcbœ K‡i ZLb Zv‡K Kx e‡j? M m¨vi n¨vÛvimb N m¨vi gvB‡Kj nvU©
K PvwR© L wWmPvwR© 314. dz‡qj †mj KZ cÖKvi?
M evwjKs N wewìs K 2 cÖKvi L 3 cÖKvi
303. ‡Kv‡li `ÿZv n‡jv- M 4 cÖKvi N 5 cÖKvi
K PvwR©s nIqvi nvi 315. ‡KvbwU‡K mivmwi dz‡qj †m‡ji R¡vjvwb wn‡m‡e e¨envi Kiv nq?
L wWmPvwR© nIqvi nvi K wg_vbj L wg‡_b

M Pv‡R©i mgqKvj- wWmPv‡R©i mgqKvj M ‡cÖv‡cb N weD‡Ub

N Pv‡R©i mgqKv‡j Mo †fv‡ëR mv‡c‡ÿ wWmPvwR© nIqvKvjxb Mo 316. ‡KvbwU ms‡køl M¨vm?
†fv‡ëR K (CO+3H2) L (H2+CO2)
304. ‡jW †÷v‡iR e¨vUvwii Af¨šÍixY †iva KZ? M (N2+CO) N (N2+CO2)
K cÖvq 0.01 ohm L cÖvq 0.1 ohm 317. dz‡qj †m‡j ‡KvbwU Zworwe‡køl¨ wn‡m‡e e¨eüZ nq?
M cÖvq 1.0 ohm N cÖvq 0.001 ohm K Rjxq KOH L Rjxq NaCl
305. ‡KvbwU Zzjbvg~jKfv‡e nvjKv? M Rjxq Mg(OH)2 N ZnSO4 `ªeY
K ‡jW e¨vUvwi L wb‡Kj e¨vUvwi 318. DMFC G e¨eüZ dz‡qj †m‡ji †ÿ‡Î †KvbwU wg_¨v?
M wjw_qvg e¨vUvwi N gviKvwi e¨vUvwi K dz‡qj mnR jf¨
306. Now‡Z e¨eüZ e¨vUvwii Af¨šÍixY †iva KZ? L wbivc`
K cÖvq 100 ohm L cÖvq 200 ohm M msiÿ‡Y AwaKZi myweavRbK
M cÖvq 10 ohm N cÖvq 50 ohm N wb¤œ GbvwR© NbZ¡
307. AvUwU 1.5 V ﮋ †Kv‡li mgZzj¨ †jW †÷v‡iR e¨vUvwii wefe KZ? 319. dz‡qj †m‡j cÖfveK wn‡m‡e †KvbwU e¨envi Kiv nq?
K8V L 1.5 V K MÖvdvBU Kve©b L Avqib
M 12 V N6V M gwje‡Wbvg N cøvwUbvg
308. ‡KvbwUi PvR© †j‡fj mn‡RB Rvbv hvq? 320. dz‡qj †m‡j †KvbwU weRviK wn‡m‡e e¨eüZ nq?
K A¨vjKvjvBb e¨vUvwi L wjw_qvg e¨vUvwi K KOH L H2
M K¨vWwgqvg e¨vUvwi N †jW †÷v‡iR e¨vUvwi M O2 N H2O
309. mvaviYZ ‡jW †÷v‡iR e¨vUvwii IRb KZ? 321. dz‡qj †m‡j †KvbwU DcRvZ wn‡m‡e Drcbœ nq?
K 20-30 cvDÛ L 30-50 cvDÛ K H2O L CH2OH
M 30-60 cvDÛ N 40-60 cvDÛ M KOH N CH3CH2CH3
 |

322. dz‡qj †m‡j wbiew”Qbœ we`y¨r Drcv`b †KvbwUi Dci wbf©i K‡i? N nvB‡Wªv‡Rb-Aw·‡Rb dz‡qj †mj
K dz‡q‡ji mieiv‡ni Dci 331. A¨vjKvBb dz‡qj †m‡ji `ÿZv KZ?
L A¨v‡bv‡Wi cÖK…wZi Dci K 40% L 55%
M K¨v‡_v‡Wi cÖK…wZi Dci M 60% N 90%
N cÖfveK e¨env‡ii Dci 332. WvB‡i± wg_vbj dz‡qj †m‡ji `ÿZv KZ?
323. dz‡qj †m‡ji ZvcgvÎv ¸Yv¼ abvZ¥K n‡j †Kv‡li `ÿZv KZ nq? K 20-30% L 50-60%
K 100% L 90% M 45-50% N 60-80%
M 100% Gi KvQvKvwQ N 100% Gi AwaK 333. cwien‡b ‡cÖvUb G·‡PÄ †gg‡eªb dz‡qj †m‡ji `ÿZv KZ?
324. dz‡qj †m‡j e¨eüZ B‡jK‡UªvjvB‡Ui †ÿ‡Î †KvbwU cÖ‡hvR¨? K 60% L 55%
K D”P AvqwbK cwievnx L D”P ¯’vwqZ¡ M 30% N 60%
M AcwieZ©bkxj mshyw³ N mn‡R ÿqcÖvšÍ n‡e 334. 45-50% `ÿZvi dz‡qj †mj †KvbwU?
325. m¨vi DBwjqvg iev©U KZ mv‡j dz‡qj †mj Avwe®‹vi K‡ib? K g‡ëb Kve©‡bU dz‡qj †mj
K 1839 mv‡j L 1835 mv‡j L WvB‡i± Kve©b dz‡qj †mj
M 1832 mv‡j N 1938 mv‡j M WvB‡i± wg_vbj dz‡qj †mj
326. dz‡qj j‡K ZvcgvÎvi cwimi Abyhvqx KZ fv‡M fvM Kiv n‡q‡Q? N widigW wg_vbj dz‡qj †mj
K Pvi fv‡M L wZb fv‡M 335. A¨vjKvwj dz‡qj †m‡j A¨v‡bvW wn‡m‡e †KvbwU e¨envi Kiv nq?
M cvuP fv‡M N `yB fv‡M K PtL Zn
327. 25-100C ZvcgvÎv cwim‡i †Kvb †Kvb dz‡qj †mj e¨envi Kiv M Ca N Al
nq? 336. A¨vjKvwj dz‡qj †m‡j dz‡qj wn‡m‡e †KvbwU e¨envi nq?
K cÖvK…wZK M¨vm Aw·‡Rb dz‡qj †mj K KOH L CH3OH
L A¨vj‡Kvnj Aw·‡Rb dz‡qj †mj M nvB‡Wªv‡Rb N Kve©b WvBA·vBW
M ev®úxq `kvq M¨v‡mvwj-Aw·‡Rb 337. A¨vjKvwj dz‡qj †m‡j Zworwe‡køl¨ †KvbwU?
N nvB‡Wªv‡Rb Aw·‡Rb dz‡qj †mj K Na2CO2 L MgCO3
328. 100–500C ZvcgvÎv cwim‡i †Kvb dz‡qj †mj e¨eüZ nq? M H3PO4 N KOH
K cÖvK…wZK M¨vm-Aw·‡Rb dz‡qj †mj 338. g‡ëb Kve©‡bU dz‡qj †m‡j †KvbwU B‡jK‡UªvW wn‡m‡e e¨envi nq?
L M¨vmxq nvB‡WªvKve©b Kve©b g‡bv·vBW dz‡qj †mj K PtL Ni
M wg_vbj Aw·‡Rb dz‡qj †mj M Zn N Cu
N weD‡Ub Aw·‡Rb dz‡qj †mj 339. dz‡qj †m‡ji K¨v‡_vW-

329. (500-1000)C cwim‡i †Kvb dz‡qj †mj fv‡jv KvR K‡i? K abvZ¥K cÖvšÍ L FYvZ¥K cÖvšÍ

K wg_vbj Aw·‡Rb dz‡qj †mj M A¨v‡bv‡Wi mv‡_ mivmwi hy³ _v‡K

L cÖvK…wZK M¨vm Aw·‡Rb dz‡qj †mj N B‡jKUªb Drcbœ K‡i

340. dz‡qj †m‡j-
M nvB‡Wªv‡Rb Aw·‡Rb dz‡qj †mj
K A¨v‡bvW abvZ¥K I K¨v‡_vW FYvZ¥K
N nvB‡Wªv‡Rb Aw·‡Rb dz‡qj †mj
L Zwor kw³ ivmvqwbK kw³‡Z iƒcvšÍwiZ nq
330. wb‡Pi †KvbwU (1000-2000)C cwim‡ii evB‡i e¨eüZ nq?
M A¨v‡bvW I K¨v‡_vW mivmwwi hy³ _v‡K
K A¨vj‡Kvnj-Aw·‡Rb dz‡qj †mj
N e¨eüZ Zij n‡”Q KwVb, Zij I M¨v‡mi wgkÖY
L M¨v‡mvwjb-Aw·‡Rb dz‡qj †mj
341. Avwe®‹…Z dz‡qj †mj¸‡jvi g‡a¨ cÖ_g †mj †KvbwU?
M weD‡Ub-Aw·‡Rb dz‡qj †mj
K nvB‡Wªv‡Rb-Aw·‡Rb dz‡qj †mj
 |

L cÖvK…wZK M¨vm-Aw·‡Rb dz‡qj †mj N 12H++12OH–  12H2O

M M¨vmxq nvB‡WªvKve©b-Kve©b g‡bv·vBW dz‡qj †mj 351. nvB‡Wªv‡Rb †m‡j cÖfveK wn‡m‡e †KvbwU e¨envi nq?
N weD‡Ub-Aw·‡Rb dz‡qj †mj K PtL Ni
342. nvB‡Wªv‡Rb-Aw·‡Rb dz‡qj †m‡ji abvZ¥K ZworØvi ˆZwi Kiv nq M Fe N Mo
†KvbwUi mvnv‡h¨? 352. nvB‡Wªv‡Rb dz‡qj †m‡ji Zwo”PvjK ej KZ?
K wR¼ L MÖvdvBU K 2.10 V L 1.10 V
M Kcvi N wmjfvi M 1.23 V N 1.392 V
343. nvB‡Wªv‡Rb-Aw·‡Rb dz‡qj †m‡ji abvZ¥K ZworØvi MÖvdvB‡Ui Dci 353. cvi‡d¬v‡iv Bw_wjb Gi ms‡KZ †KvbwU?
†KvbwUi Av¯ÍiY _v‡K? K (F2C  CF2 ) n L (FCH  CHF) n
K wb‡Kj L Kcvi
M (CHF  CHF) n N CHF3 – CHF2
M wR¼ N wUb
354. nvB‡Wªv‡Rb dz‡qj me©cÖ_g †Kv_vq e¨eüZ nq?
344. nvB‡Wªv‡Rb-Aw·‡Rb dz‡qj †m‡j FYvZ¥K ZworØv‡i KZ Pv‡c H2
K ÷K b‡fvhv‡b L G‡cv‡jv b‡fvhv‡b
M¨vm‡K Pvjbv Kiv nq?
M Av‡gwiKvi †g‡Uªv †Uª‡b N ivwkqvi gvb gw›`‡i
K 60 atm L 50 atm
355. nvB‡Wªv‡Rb dz‡qj †m‡j †KvbwU DcRvZ wn‡m‡e Drcbœ nq?
M 30 atm N 70 atm
K H2 L H2O
345. nvB‡Wªv‡Rb Aw·‡Rb dz‡qj †m‡ji `ÿZv KZ?
M O2 N H3O+
K 98% L 60%
356. Rvcv‡bv †UvwKI B‡jKwUªK cvIqvi †Kv¤úvwb KZ †gMvIqvU dz‡qj
M 100% N 55%
†mj cvIqvi cø¨v›U Kvh©Ki K‡i‡Q?
346. nvB‡Wªv‡Rb-Aw·‡Rb dy‡qj †mj‡K KZ N›Uv hver mvaviYZ e¨envi
K 15 †gMvIqvU L 12 †gMvIqvU
Kiv hvq?
M 11 †gMvIqvU N 13 †gMvIqvU
K 1000 N›Uv L 100 N›Uv
357. KqjvwfwËK we`y¨r Drcv`b †K‡›`ª Kx cwigvY e¨envi‡hvM¨ kw³
M 500 N›Uv N 50 N›Uv
cvIqv hvq?
347. dmdwiK GwmW dz‡qj †m‡j Zworwe‡køl¨ wn‡m‡e †KvbwU e¨envi Kiv
K 75% L 25%
nq?
M 40% N 60%
K CaO L ZrO2
358. mvaviY Bwćbi `ÿZv m‡ev©”P KZ?
M KOH N H3PO4
K 40% L 25%
348. dz‡qj wn‡m‡e CaO e¨envi Kiv nq †KvbwU‡Z?
M 60% N 98%
K ‡cÖvUb G·‡PÄ †gg‡eªb dz‡qj †mj
359. nvB‡Wªv‡Rb ‡m‡j dz‡q‡ji Drm Kx?
L mwjW A·vBW dz‡qj †mj
K evqy L nvB‡Wªv‡Rb M¨vm
M A¨vjKvwj dz‡qj †mj
M cvwb N Aw·‡Rb
N g‡ëb Kve©‡bU dz‡qj †mj
360. ‡c‡Uªvj Bwćbi `ÿZv KZ?
349. nvB‡Wªv‡Rb dz‡qj †m‡j A¨v‡bv‡Wi ms¯ú‡k© G‡m †KvbwU Drcbœ
K‡i? K 25% L 20%

K nvB‡Wªv‡Rb Avqb L B‡jKUªb M 80% N 40%

M Aw·‡Rb Avqb N cvwb 361. pH wgUv‡i wefe cv_©K¨ gvcvi Rb¨ †KvbwU e¨envi Kiv nq?

350. wb‡Pi †Kvb wewµqvwU nvB‡Wªv‡Rb †m‡j K¨v‡_v‡W N‡U? K ‡fvëwgUvi L A¨vwgUvi

K 2H2  4H++2e M ev‡qvwgUvi N †cvjvwiwgUvi

L O2+4H+2H2O 362. Møvm B‡jK‡UªvW MV‡b †KvbwU Ae¨eüZ _v‡K?

M 2CO2+O2+4e2CO32– K SiO2 L Na2O

 |

M CaO N MgO 1
L RviY wefe  1
363. Møvm B‡jK‡Uªv‡W SiO2 Kx cwigvY _v‡K? weRviY wefe
K 72% L 22% M RviY wefe = – weRviY wefe
M 6% N 20% N weRviY wefe = RviY wefe
364. Møvm B‡jK‡Uªv‡W wb‡Pi †KvbwU 6% e¨envi Kiv nq? 373. 1.0 ‡gŠj Al3+ †_‡K Al Drcv`‡b Kx cwigvY ZworPvR© cÖ‡qvRb?
K SiO2 L MgO K 1.0 F L 2.0 F
M Na2O N CaO M 3.0 F N 1.5 F
365. Møvm †gg‡eªb w`‡q †KvbwU Cö‡ek K‡i? 374. 1.0 †gvj cvwbi Zwor we‡kølY Øviv O2 Drcv`b Ki‡Z A¤øvwqZ
K H+ L Na+ cvwb‡Z Kx cwigvY ZworPvR© cÖevwnZ Ki‡Z nq?
M O2– N S2– K 1.0 F L 2.0 F
366. B‡jK‡UªvW m„ó wefe †KvbwUi Dci wbf©ikxj? M 1.5 F N 0.5 F
K `ªe‡Yi NbgvÎv L B‡jK‡Uªv‡Wi cÖK…wZ 375. B‡jKUªbxq Zwor cwievnx †KvbwU?
M ZvcgvÎv N Pvc K FeSO4 `ªeY L NaCl (MwjZ)
367. NH4+ Avqb wb‡Pi †Kvb bgybvq cvIqv hvq? M Cu N Fe
K mvgyw`ªK cvwb L i³ 376. B‡jK‡UªvjvBwUK Zwor cwievnx †KvbwU?

M km¨ N `ya K FeSO4(aq) L Fe

368. f~c„‡ôi cvwb‡Z wb‡Pi Avqb _v‡K? M Cu N NaCl (MwjZ)
377. wb‡¤œi †KvbwU Zxeª Zwor we‡køl¨?
K HCO3 L F–
K NaCl (MwjZ) L NH4OH

M NO 3 N K+
M CH3COOH N HCl (Rjxq)
369. i‡³i wmiv‡g †KvbwU Dcw¯’Z? 378. g„`y Zworwe‡køl¨ wPwýZ Ki-
+ +
KH LK K H2S L HCl
– –
MI NF M Na2SO4 N CH3COOH
370. pH gvb wbY©‡qi †ÿ‡Î mvaviY cÖPwjZ c×wZ¸‡jv‡K KqwU †kÖwY‡Z 379. 1.0F Zwor PvR© cÖevwnZ Ki‡j Zworwe‡køl¨ c`v_© †_‡K w؇hvRx
fvM Kiv n‡q‡Q? †gŠ‡ji KZwU cigvYy ZworØv‡i mwÂZ nq?
K `yB L wZb K 6.0231023 L 3.01151023
M Pvi N cvuP M 10.0461023 N 1.20461024
371. ‡KvbwU wg_¨v? 380. Zworwe‡køl¨ bq †KvbwU?
E ‡&Kvl  0.3358 K cvwb L CuSO4
K pH 
0.05915 M Na N H2SO4
E ‡&Kvl  E ref 381. 30s mg‡qi Rb¨ 5.0A Kv‡i›U cÖevwnZ Ki‡j Zworwe‡køl¨ c`v‡_©i
L pH 
0.05915 g‡a¨ Zwor PvR© KZ?
2.303RT K 6.0 Kzj¤^ L 150 Kzj¤^
M EH  log[ H  ]
F M 95.52 Kzj¤^ N 85 Kzj¤^
N E‡Kvl = Eref – EH 382. wb‡¤œi †KvbwU ev †Kvb †KvbwU RviY wm‡÷g?
372. RviY I weRviY wef‡ei m¤úK© Kxiƒc? K Zn/Zn2+ L Cu2+/Cu
K RviY wefe  weRviY wefe = 1 M 2Cl–/Cl2 N Cl2/2Cl–
 |

383. Pt, H2/H+(E=0.0 V) Gi m‡½ A¨v‡bvW wn‡m‡e e¨eüZ nq 391. ECu / Cu 2  0.34 V Ges EFe / Fe  0.44 V n‡j wb‡¤œi
2

†KvbwU? †KvbwU mwVK?

K Zn2+/Zn E = – 0.76 V K Zvgvi cv‡Î FeSO4 `ªeY ivLv hvq
+
L Ag /Ag E = 0.80V L Zvgvi cv‡Î FeSO4 `ªeY enb Kiv hvq bv
M Cu2+/Cu E = +34 V M †jŠn cv‡Î Zzu‡Zi `ªeY enb Kiv hvq
N Fe2+/Fe E = – 0.44 V
N †jŠn cv‡Î Zzu‡Zi `ªeY enb Kiv hvq bv
384. Zn/Zn2+ (E = – 0.76V) Gi m‡½ wb‡Pi †KvbwU‡K K¨v‡_vW 392. wb‡¤œi †KvbwU g„`y Zworwe‡køl¨?
wn‡m‡e e¨envi Kiv hvq?
K A¨vj‡Kvnj L Lv`¨ je‡Yi Rjxq `ªeY
K Mg/Mg2+ E = – 2.37 V
M Lv`¨ wPwbi Rjxq `ªeY N A¨v‡gvwbqvg Rjxq `ªeY
L Fe/Fe2+ E = +0.44 V
393. Lv`¨ je‡Yi Rjxq `ªeY‡K Zwor we‡kølY Ki‡j A¨v‡bv‡W GKwU
M Na/Na+ E = +2.71 V eY©nxb M¨vm wegy³ nq| M¨vmwU Kx?
M Pt, H2(g)/H+(aq) E = 0 V
K nvB‡Wªv‡Rb L w÷g
385. Mvwo‡Z e¨eüZ †jW mÂqK †Kv‡l gv‡S gv‡S cvwb †`qv nq †Kb?
M Aw·‡Rb N †K¬vwib
K ‡mj kxZ ivLvi Rb¨
394. wb‡¤œi †KvbwU GKwU Zwrwe‡køl¨ c`v_©?
L gqjv cwi®‹vi Kivi Rb¨
K GKwU GwmW ev ÿvi L GKwU Rjxq `ªeY
M H2SO4 Gi Av‡cwÿK ¸iæZ¡ mwVK ivLvi Rb¨
M GKwU Zij
N `ªe‡Yi pH mwVK ivLvi Rb¨
N GKwU KwVb c`v‡_©i MwjZ iƒc
386. wKQzw`b e¨envi Ki‡j WªvB‡mj e¨vUvwi †_‡K GK ai‡bi Zij c`v_©
395. A¨vbvqb MwVZ nq, hLb-
†ewi‡q Av‡m †Kb?
K avZzi cigvYy B‡jKUªb MÖnY K‡i
K evqy‡Z Gi cvÎ ÿq nq e‡j
L avZzi cigvYy B‡jKUªb Z¨vM K‡i
L e¨vUvwii A¨v‡bvW RvwiZ nq e‡j
M AavZzi cigvYy B‡jKUªb MÖnY K‡i
M †fZ‡i ‡Kvb GwmW Drcbœ n‡q †mj cvÎ ÿq nq e‡j
N AavZzi cigvYy B‡jKUªb Z¨vM K‡i
N e¨vUvwii `¯Ívi cvÎwU Lye nvjKv e‡j
396. MwjZ †jW ‡µvgvBWi g‡a¨ w`‡q Zwor cÖevn N‡U wb‡¤œi †KvbwUi
387. ‡jW mÂqK †Kvb †KvbwU?
Øviv?
K Pb/Pb2+ || Cu2+/Cu
K gy³ B‡jKUªb Øviv L mÂiYkxj Avqb Øviv
L Pb/PbSO4(s)/H2SO4 (Rjxq)/PbO2(s)/Pb
M mÂibkxj cigvYy Øviv N †jW cigvYy Øviv
M Zn/Zn2+ || Pb2+/Pb 397. ‡Kvb avZe e¯‘‡Z wmjfv‡ii B‡jK‡Uªv‡cøwUs Ki‡Z n‡j wb‡¤œi ‡Kvb
N Pb/Pb2+ || H+/H2,Pt e¨e¯’vwU mwVK?
388. gyL¨ wb‡`©kK ZworØvi wn‡m‡e e¨eüZ nq †KvbwU? K¨v‡_vW A¨v‡bvW Zworwe‡køl¨
K cÖgvY nvB‡Wªv‡Rb ZworØvi L K¨v‡jv‡gj ZworØvi K wmjfvi avZe e¯‘ jNy H2SO4
M Møvm ZworØviN K¨vWwgqvg ZworØvi L avZe e¯‘ Kve©b jNy H2SO4
389. ‡h ZworØvi G RviY N‡U Zv‡K ejv nq- M avZe e¯‘ wmjfvi AgNO3 `ªeY
K K¨v‡_vW L A¨v‡bvW N wmjfvi avZe e¯‘ AgNO3 `ªeY
M Gi †KvbwUi bq N abvZ¥K ZworØvi 398. Kcvi ZworØvi e¨envi K‡i Kcvi mvj‡d‡Ui A¤øvwqZ Rjxq `ªe‡Y
390. ‡mj wewµqv ¯^Ztù~Z©fv‡e NU‡Z n‡j †mj wef‡ei gvb n‡Z nq- Zwor cÖevwnZ Kiv nq| cÖevwnZ Zwor Kv‡i‡›Ui gvb w¯’i _vK‡j
K abvZ¥K L FYvZ¥K Kcvi K¨v‡_v‡Wi fi †h cwieZ©b N‡U Zv wb‡¤œi †Kvb MÖvdwUi m‡½
msMwZc~Y©?
M †Kvb m¤úK© †bB N abvZ¥K I FYvZ¥K DfqB
 |

405. g„`y B‡jK‡UªvjvBU †KvbwU?

Cu K¨v‡_vW RviY
Cu K¨v‡_vW RviY
Cu K¨v‡_vW RviY
Cu K¨v‡_vW RviY

K HNO3 L NaOH
mgq
mgq mgq mgq
wPÎ bs 4
M HCl N NH4OH
wPÎ bs 2 wPÎ bs 3
wPÎ bs 1
406. wRsKmvj‡dU `ªeY 1.0 C PvR© cÖevwnZ Ki‡j A¨v‡bv‡W `ªexf~Z wRsK
K 1bs wPÎ L 2 bs wPÎ Gi cwigvY KZ?
M 3bs wPÎ N 4bs wPÎ K 32.7 g L 34.7 g
399. MwjZ A¨vjywgwbqvg A·vBW‡K Zwor we‡kølY K‡i Al avZz wb®‹vkb M 0.000338 g N 0.0000338 g
Kiv nq| wfbœ wfbœ mg‡qi Rb¨ MwjZ Al2O3 Gi g‡a¨ wfbœ wfbœ
407. wb‡Pi †Kvb ZwoØviwUi Dcv`vb me‡P‡q mn‡R B‡jKUªb Z¨vM Ki‡Z
gvÎvq Kv‡i›U Pvjbv Ki‡j wfbœ wfbœ cwigvY Al K¨v‡_v‡W Rgv nq| cv‡i?
Kv‡i›U (A) mgq/w`b mwÂZ Al Gi fi (kg) K Zn L Hg
60 1 1.0 M Cl N Br
120 2 4.0 408. wb‡Pi †KvbwU Zwor we‡køl¨ c`v_©?
240 2 8.0
K CCl4 L C12H22O11
G †cªwÿ‡Z cÖkœ n‡jv MwjZ A¨vjywgbvi g‡a¨ 3 w`‡bi Rb¨ 180A
M H2O(H+) N C2H5OH
ZworKv‡i›U Pvjbv Ki‡j K¨v‡_v‡W KZUzKz Al Rgv nq? wb‡¤œi
409. wb‡Pi †KvbwU mevi Av‡M PvR©gy³ n‡e?
†KvbwU mwVK?
K K+ L Ag+
K 3kg L 9 kg
M Cu+ N Au+
M 6.0kg N 12.0 kg
410. wb‡Pi †KvbwU jNy H2SO4 n‡Z nvB‡Wªv‡Rb wegy³ Ki‡Z cv‡i?
400. ‡h cwigvY ZworPvR© cÖevwnZ Ki‡j CuSO4 `ªeY †_‡K K¨v‡_v‡W
0.3175 g Kcvi mwÂZ nq H cwigvY ZworPvR© cÖevn Øviv AgNO3 K Pb L Hg
`ªeY †_‡K KZ MÖvg Ag K¨v‡_v‡W cvIqv hvq? M Cu N Ca
K 0.10788 g L 1.0788 g 411. Zn Ges Cu Gi cÖgvY weRviY wefe h_vµ‡g –0.76V Ges
M 2.1576 g N 0.5394 g +0.34V| Cu+Zn2+ Cu2+ + Zn wewµqvq Ecell Gi gvb
KZ?
401. H2SO4 Gi Rjxq `ªe‡Y 1.0F ZworPvR© cÖevwnZ Ki‡j NTP †Z
K – 0.101 V L – 1.01 V
K¨v‡_v‡W Kx cwigvY H2 M¨vm wegy³ nq?
M +0.101 V N +1.1 V
K 22.4 L L 11.2 L
412. mgf‡i wb‡Pi †KvbwU‡Z PvR© a‡i ivLvi ÿgZv †ekx?
M 2.24L N 1.12 L
402. Zwor cwievnx c`v_©‡K KqwU fv‡M fvM Kiv hvq? K Li L Na
M K N Rb
K 3wU L 2wU
413. GwmW wgwkÖZ chv©ß cvwbi †fZi w`‡q 2F we`y¨r Pvjbv Ki‡j KZ
M 4wU N 5wU
MÖvg nvB‡Wªv‡Rb M¨vm K¨v‡_v‡W wegy³ n‡e?
403. wb‡Pi †KvbwU cwievnx c`v_©?
K 0.5 g L1g
K Zvgv L KvV
M 2g N 4g
M ivevi N KvP
414. Al Gi Zwor ivmvqwbK Zzj¨vsK KZ?
404. GKwU †Kv‡li e.m.f wbY©‡qi mgxKiY †KvbwU?
K 9.310–5 gc–1 L 9.310–4 gc–1
K E cell  E anonde( ox)  E cathode( red)
M 9.310–2 gc–1 N 9.310–3 gc–1
L E cell  E anonde( ox)  E cathode( red) 415. weMwjZ NaCl, MgCl2, AlCl3 Ges SnCl2 Gi †fZi w`‡q 1F Zwor
Pvjbv Ki‡j K¨v‡_v‡W wb‡Pi †Kvb avZzi AwaK †gvjmsL¨v Rgv n‡e?
M E cell  E cathode( red)  E cathoxe( ox)
K Na L Mg
N E cell  E cathode( red)  E cathoxe( ox)
M Al N Sn
 |

416. CuSO4 Gi Rjxq `ªe‡Y 10 wgwbU a‡i 0.5A Zwor Pvjbv Ki‡j M W Z N W  ZI
K¨v‡_v‡W Kq cigvYy Kcvi Rgv n‡e? 427. GKwU CuSO4 `ªe‡Yi g‡a¨ GK N›Uv hver we`y¨r cÖevwnZ Ki‡j
20 21
K 9.3510 wU L 9.3510 wU 0.50g MÖvg Cu ZworØv‡i Rgv n‡j Kx cwigvY we`y¨r cÖevwnZ
M 9.351022 wU N 9.351023 wU n‡qwQj?
417. A, B, C Ges D Gi weRviY wefe h_vµ‡g –0.5V, 0.3V, –0.6V K 0.422 A L 0.402A
Ges –0.83V; wb‡Pi ‡KvbwU AwaK mwµq? M 0.412V N 0.432A
KALB 428. ‡mvwWqvg †K¬vivB‡Wi (NaCl) Gi Rjxq `ªe‡Yi Zwor we‡køl‡Y
MC ND Drcbœ nq-

418. wjw_qvg e¨vUvwi Pv‡R©i mgq †Kvevë Gi RviYgvY +3 n‡Z KZ nq? K Na K¨v‡_v‡W Ges Cl2 A¨v‡bv‡W
K +1 L +2 L H2 K¨v‡_v‡W Ges Cl2 A¨v‡bv‡W
M +4 N +6 M H2 K¨v‡_v‡W Ges O2 A¨v‡bv‡W
419. ‡Kvb avZehyM‡ji mgš^‡q MwVZ †Kv‡l mev©wK Zwor cvIqv hv‡e? N Na K¨v‡_v‡W Ges O2 A¨v‡bv‡W
K Zn Ges Cu L Zn Ges Ag 429. GK Kzj¤^ Avavb KZwU B‡jKUªb enb K‡i?
M Zn Ges Al N Ag Ges Al K 6.021021 L 6.241018
420. GK †gvj weMwjZ Al2O3 Gi †fZi w`‡q KZ d¨viv‡W Zwor Pvjbv M 6.211015 N 6.021010
Ki‡j m¤ú~Y©iƒ‡c avZe c`v_© K¨v‡_v‡W mwÂZ n‡e? 430. wb‡Pi †KvbwU Dc‡ii bxwZi Rb¨ cÖ‡hvR¨?
K 1F L 3F W1 W2 W3
K   = aªæeK
M 4F M 6F E1 E 2 E3
421. wb‡Pi †KvbwUi Rjxq `ªe‡Y Zwor cwievwnZv me‡P‡q †ewk? W1 W2 W3
L   = aªæeK
K AgF (aq) L AgCl(aq) a1 a2 a3
M AgBr(aq) N AgI M w = ZI N w= ZQ
422. wb‡Pi †Kvb `ªe‡Yi Zwor cwievwnZv me‡P‡q Kg? 431. hLb †Kv‡bv mswkøó AvqZ‡bi PvR© msL¨v Øviv M¨vg AvYweK f‡i
K 1% CH3COOH `ªeY wefvwRZ nq ZLb Zv‡K e‡j-
L 2% CH3COOH `ªeY K ivmvqwbK mvg¨ve¯’v L hvwš¿K mvg¨ve¯’v
M 5% CH3COOH `ªeY M Zwor mvg¨ve¯’v N Zwor hvwš¿K mvg¨ve¯’v
N 10% CH3COOH `ªeY 432. 1M Na2SO4 Gi Zwor we‡køl‡Y K¨v‡_v‡W wb‡Pi †KvbwU Drcbœ
423. ‡Kvb avZz ¯^íZg mg‡q jNy HCl Gi mv‡_ wewµqv K‡i H2 M¨vm n‡e?
Drcbœ K‡i? K O2 L H2
K Na LK M H2SO3 N S2O82
M Zn N Pb 433. wb‡Pi †KvbwU RviK I weRviK Dfq ag© cÖ`k©b Ki‡Z mÿg?
+ –
424. LiCoO2 A + nLi + ne A †hŠ‡M CO Gi RviY gvb KZ? K H+ L Na+
K +1 L +2
M Sn2+ N MnO 4
M +3 N +4
434. GKwU Zwor ivmvqwbK †Kvl Pvjbvq jeY †mZzi f~wgKv †KvbwU?
425. B‡jKUªbxq cwievnx †KvbwU?
K Av`ª©we‡kølY msNUb Kiv
K FeSO4 L NaCl
L A-¯^Ztù~Z© wewµqv NUv‡bv
M CuSO4 N Pt
M ‡Kv‡li g‡a¨ Avqb PjvP‡ji my‡hvM m„wó Kiv
426. K¨v‡_v‡Wi cÖ_g m~‡Îi MvwYwZK cÖKvk wb‡Pi †KvbwU?
N K¨v‡_vW †_‡K A¨v‡bv‡W B‡jKUªb ¯’vbvšÍi Kiv
KWI LWQ
 |

M cwi‡ek Awa`ßi KZ…K © h_vh_fv‡e QvocÎ †`qv n‡q‡Q

অধ্যায় ০৫: অর্থনিরতক েসায়ি wKbv Zv cixÿv K‡i †`qv
1. b¨v‡bv KYvi AvKvi n‡”Q- N `~wlZ eR¨© cwi‡kva‡bi Rb¨ cÖ‡qvRbxq BwUwc Kvh©µg
K 1–100 nm L  100nm I mwµq Av‡Q wKbv Zv cixÿv Kiv

M  1nm N 100-200 nm 10. Kve©‡bi b¨v‡bv cvwU©K¨vj bq †KvbwU?

2. ‡Kvb `~lKwU cÖv_wgK evqy `~l‡Ki Zzjbvq AwaK ÿwZKviK? K MÖvwdb L Kve©b b¨v‡bvwUDe
K H2S L NH3 M dzjvwib N nxiK
M CO N H2SO4 11. KvMR ˆZwii †Kvb av‡c wdjvi c`v_© cÖ_‡g ‡hvM Kiv nq?
3. wngvqK I Pvgov wk‡í †jvgbvkK wn‡m‡e †KvbwU e¨eüZ K wewUs L KzwKs
nq? M widvBwbs N Kvjvwis
K B_vBj A¨vwgb L A¨v‡iv‡gwUK A¨vwgb 12. ‡gjvgvBb ˆZwii Dcv`vb †KvbwU?
M wg_vBj A¨vwgb N K I L DfqB K ‡Udjb L BDwiqv
4. weqvbxevRv‡ii M¨vm D‡Ëvjb K‡i †Kvb †Kv¤úvbx? M wg_vb¨vj N A¨v‡gvwbqv
K SGFCL L BAPEX 13. Pvgov wk‡í †KvbwU eR¨©?
M TULLOW N SHAURON K Zij CH4 L MgO ¸uov
5. KvM‡R is Kiv nq †Kvb av‡c? M Na2SO4 N CaS
K KzwKs L wewUs 14. µx‡g UV iwk¥ †kvl‡Yi Rb¨ wb‡Pi †KvbwU e¨envi Kiv
M widvBwbs N mvBwRs nq?
6. wm‡g›U wk‡í †KvbwU KvuPvgvj wnmv‡e e¨eüZ nq? K ZnO L TiO2
K cÖvK…wZK M¨vm L Kqjv M Al2O3 N Pb3O4
M Pzbvcv_i N †mvWv A¨vk 15. b¨v‡bv cvwU©K¨vj Kx?
7. evsjv‡`‡ki Kqjv wfwËK cÖavb wkí †KvbwU? K e„nr Avuk L ÿz`ª Zš‘
K BDwiqv L Møvm M GK ai‡bi m~² KwYKv
M we`y¨r N wm‡g›U N GK ai‡bi e„nr KwYKv
8. Pvgovi wcKwjs Kivi †ÿ‡Î wb‡Pi †Kvb `ªe‡Yi g‡a¨ 16. Pvqbv †K¬ Gi ms‡KZ †KvbwU?
Pvgov‡K Wzwe‡q ivLv nq? K K2O.Al2O3.6SiO2 L CaO.Al2O3.6SiO2
K 1M NaCl I 0.05M NaOH M Al2O3.2SiO2.2H2O N Na2O.Al2O3.6SiO2
L 1M NaCl I 0.05M H2SO4 17. wb‡Pi †KvbwU Pz¤^K ag© cÖ`k©b K‡i?
M 1M NaCl I 0.05M NH4Cl K Au L Aun
N 1M NaCl I 0.05M NH4Cl M Zn N He
9. wkí e‡R¨©i `~lK ‡_‡K cwi‡ek wech©q †iva Ki‡Z †KvbwU 18. ‡Kvb c`v_©wU ïay GKevi wimvB‡Kj †hvM¨?
Kiv AwaK evÂbxq? K cwjw_b L KvP
K wkí BDwbU¸‡jv‡K Ri”ixfv‡e kn‡ii Avevm¯’j †_‡K M A¨vjywgwbqvg N KvMR
`~‡i ¯’vbvšÍi Kiv 19. evsjv‡`‡k †Kvb Lv‡Z cÖvK…wZK M¨vm me‡P‡q †ewk e¨envi
L cÖwZwU wkí BDwb‡U wbivc` I cwi‡ek evÜe ivmvqwbK nq?
`ªe¨ e¨envi Kiv K we`y¨r Drcv`b L mvi KviLvbvq
 |

M wmGbwR N M„n¯’vwj K SiO2 L K2O

20. eZ©gv‡b evsjv‡`‡ki †Kvb Kqjv‡ÿÎ †_‡K Kqjv Drcvw`Z M CaO N Kv‡jU
n‡”Q? 29. ‡cvU©j¨vÛ wm‡g‡›U CaO Gi kZKiv cwigvY n‡jv-
K eocyKzwiqv L dzjevox K 17-25 L 1-3
M `xwNcvov N RvgvjMÄ M 2-6 N 60-66
21. ‡µvg U¨vwbs cÖwµqvq Pvgovi †Kvjv‡Rb I †µvwgqvg 30. ‡ccv‡ii Kvwj gynb Gi Rb¨ †ccvi wk‡í cvê ˆZwii mgq
Avq‡bi g‡a¨ †Kvb eÜb MwVZ nq? e¨eüZ nq-
K AvqwbK eÜb L mg‡hvRx eÜb K NaOH L H2SO4
M mwbœ‡ek eÜb N nvB‡Wªv‡Rb eÜb M NaSO4 N wjMwbb
22. we`y¨r Drcv`‡bi Rb¨ wb‡Pi †Kvb c`v_©wU me‡P‡q †ewk 31. cÖvK…wZK M¨v‡mi cÖavb Dcv`vb n‡jv-
e¨eüZ nq? K Bw_wjb L wg‡_b
K C29H40O6N L cÖvK…wZK M¨vm M weD‡Ub N †cÖv‡cb
M cvwb N wbDwK¬qvi 32. wb‡¤œi †KvbwU evsjv‡`‡ki cÖvK…wZK M¨vm †ÿÎ?
23. wmivwgK‡K Zvc mnbkxj evbv‡bvi Rb¨ wb‡Pi †KvbwU †hvM K dzjevwo L weweqvbv
Kiv nq?
M RvgvjMÄ N eo cyKzwiqv
K e·vBU L Pzbvcv_i 33. b¨v‡bv KYvi AvKvi n‡”Q-
M wmwjKv N †d¬vi¯úvi K 1nm L 100-200 nm
24. w¯’i Pv‡c 27C G wbw`©ó f‡ii M¨v‡mi AvqZb 1L n‡j M 1-100 nm N  10 nm
KZ ZvcgvÎvq M¨v‡mi AvqZb 2L n‡e? 34. KqwU Drm †_‡K wPwb Drcv`b Kiv nq?
K 0C L 273K K 2wU L 4wU
M 273C N 283C
M 3wU N 6wU
D chv©qwUi bvg nj-
35. b¨v‡bv KYvi AvK…wZ-
K wWmwës L wcKwjs
K 1-100 L 100-2500
M wW‡dwUs N wW-Aw·WvBwRs M 2500-10000 N  10000
25. Pvgovi †Kvjv‡Rb ‡cÖvwU‡bi mv‡_ †Kvb avZzwU hy³ n‡q 36. Ky‡jU †Kvb wk‡í eR¨© wimvBwK¬s c`v_© wn‡m‡e e¨envi Kiv
Pvgovi wjs‡KR c~Y© K‡i _v‡K? nq?.
K Pb L Sb K wm‡g›U L KvuP
M As N Cr
M cøvw÷K N KvMR
26. ‡Kvb Kqjv Lwbi Kqjvi K¨vjwiwdK gvb me‡P‡q †ewk?
37. wb‡Pi †KvbwU †cÖvwWDmvi M¨vm bv‡g cwiwPZ?
K eo cyKzwiqv L `xwNcvov
K (CO + H2) L (CO + N2)
M Lvwjmcyi N RvgvjMÄ M (CO2 + N2) N (CO + 3H2)
27. b¨v‡bv Ae¯’vq c`v‡_©i AcwUK¨vj, Pz¤^Kxq ev ˆe`y¨wZK ag© 38. BDwiqv mv‡i KZ kZvsk bvB‡Uªv‡Rb _v‡K?
cwieZ©‡bi KviY †KvbwU?
K 46% L 44%
K KYvi f L KYvi AvqZb
M 42-44% N 48-50%
M KYvi †fŠZ Ae¯’v N KYvi Zij †ÿÎdj 39. wm‡g›U Rgvi mgq †h DËv‡ci m„wó nq Zv‡Z wb‡Pi
28. KvP Drcv`‡b Mjbx `ªe¨ n‡jv- †hŠMmg~‡ni mwVK µg †KvbwU?
 |

K C3A  C3SC2S  C4AF

L C2S  C4AF  C3S  C3A
M C3S  C3A  C4AF  C2S
N C3S  C2S  C4AF  C3A
40. evsjv‡`‡k iwk`cyi M¨vm †ÿ‡Î cÖvß M¨v‡m wg‡_‡bi kZKiv
nvi KZ?
K 93.40 L 96.85 M 98.00 N 99.05