Dale. Page \o.
(ndes)
n a reacton s.34 of sodivm (abonute eacted
with 64 of aetic acid. The poduch ere
ot lorbon doide
ot sodvm acetate.Shou that thee dsevat ns
ave in aq reerment twith the law o (onsesvatnn ot mos
Sdivy cavbonate t aLetic acidsodim acetate t (0, +H,o
5.24 t bg8.2g t2.2y
t tt 0.4
LHS = RD
Zeactoni
Totul mass ot phocuct To jol mus 6t
:the above che mlcal reactlon is in agier9ent
with law bt consevotibn bt Mos.
Hiydvogen ond oxygen ombine in the rato u
Q2.
woud le veqvied to veoct (omplen y
Oxjgen gus
with 3g
Ans.
to toum t,o
ton's ato nic theory } The
03.which potuly e ot Dol
(onsevyatin ot masy
es lt st the law bt utomic theo rs cuhich
Ans The postulate o aton's
the yeslt ot lowof (o theg coDhet
le partie les
are indi viyib chehi cal teactin
be ceted or destroyed in a
Date
which potolaje o Raltop alorne thaoy
the lav ot defntt Porten theoy
lhe postolate ot Dato ns atomi
is the tesolt of laW o aeite pophn
The velhve nvober on Pind of a}om ave on
in a qiven (ompo ondl
Q Ao.244 sampe ot (ormpovnd f bxygon ord
bovon ws found by unoly s to contujn
und o.49g ot orcygen .
(ala lote the porentege ompoition T the
ompund by woight
wplght of sam ple ot (ompo ond O. 244
Wegh of Boron o.04bg
wdht ot Ôx9gbr9gen o. l444.
lveig hi ot (ompaurd
/ lom os ition o 0
ygen
lveigh of (om yóvhd
60
D whegr 3.04 04 (orbon ib buyntin &.004 oxugtn
il. 00y o (ovbon dio pde is pro dvel. whot
oss G (ovbon Oiozclde will beb tomed
to}med when
Page
bate:
3. 0ug ot (orbon i burmt
yuvton
Arb
SU-8= 924 bt 0 vemjn unsed
(s whot ore pdyot mic lons Cve exam pes
arying a charge
A group ot otos (0ns.
alled polyetbmic 2 Ex : Ate Ammo njn
(abonot - o Hydro PUde- OH etc
formula (onstitben+ Eleme)
p Compovn ds
LQuick line Ca0 (alim. Cyyen Brgin
Ltlydrgen bromjde HBr F tydrogn ancl
3Baking Soda NaHc9 Sediom Hc'ayen, nisyCag
Pottassiu) Solplh: Cays
4. Potossium sulphutc
Molecuby mas ot H, CEthyn )
022) + LIx2)
29 2 = 26u
6.
Mole wlo mas t S
(3245) 256
C31x )
traples
lonit (omppvrg
by che miu) iminu Tur.
toling
6
nch ot the follewing epresen b aacotvet
cor thenigl
torla2 p it
lwitt the mlecobr formove for the tollo tung (omfatd
a. (ofpe, C Bomde
Alu ninivm (T) nitra t ALCNO),
a alium T) phospha it - la, CPo,),
) ron ) solphide Ss
winto the moleculo r torho loe oy oll the (ompours the
(an 6e fomcd by the (ompinution t foluary or
G at fe u,
2
so,, Po,
=)
2
2 2
? Na Cl Na
>)
fe Fe Fe
3
Fecl,
lwing empevnds
Aniorn - CH,(o0 (ation
(ation - Ma
Nocon (
Anion NO} ation- Miy
tormed ton
chlor int
wnch ot the tollowiry Symboks tt elementh
jNoyect hive the (oret symbols
a) lobalt (0
tle lium tte
e) Socdium Da.
Q13. CHive the chemical fotmuloe t» tho foloun g (ompur
ond coyo te he tot by nos ot tht bnanining
demenss lh ach one ot themn,
( Ammonla- Ntls
14: Ix3 -) 14 :3
b avb on moenocide - Co
3:4
}. tydrogen chlovde - HL
H:cL ) |:35. 5
Pluminiv n floovide - ALE,
AL: FK3 =) 27 : 42
sMaq ntsivn sulphide - My s 3:4
Mg:3 24:32
State The numw ot 6toms p'ont in Caçh ot
the thernicol spuies
toloauing
-2
Clesty cadh ot the tollowing on the bas,,
4 , - Piatomic Polyatoi
No, Tatomic h) O, triatomic
M0- Tviatomi
GH Polyutomi
Mono atnìc
fH,0, Tetra dtomi Monoutum.
Qe b Ure provided with oting whice (o luurd poude.
which i ethe
yov denty It withouf taotig
Ans we (an hea itt . on hcting 50guu
will qet choed but solt will not bun
which ot he ollouiny wiwil! not torin.
onion.
Type ot element
W C8)
(12-,3
2 Ci7) 22 7 on meto)
The elanert 2 hs valeny ovt the
a chlonde
221 (orbonate
2
2
) jott
2
The toy rmu lo ot oide ot mctal s X, D, . nit
the vo leh( vt Y work 0vt tht tumulb ot
Ts 0) (hlo ride b) svlphate Pi thde
X ) Sulphete X
3 2
c Mitide
The furmulo' ot The wyine
h end 0 ord alsu
Tht alens chls} de
toimulg
tolmuly it
it
the chenicol
M,0, n,0,
tny of n i 2
Val
2
ate. Page ...
Na()
ell Sodiun atom (ivol Sodivm bn (M')
Atone no v se dium 7 sodivm jop I,
Sodiuyn otom ha ||
h
phtns bnd l electestrop theM shel
S3diom ato m i uhstoble
shell
(onsider the olloving detu qnd answer
the dues Hins
ement Prorons Natron, Elecrnn
A lo
17
I7 25
lo
20
6 G
20 17
Ldentitythe Gemet wth moy no 14A
A pornent with atomic no l6
An inert g4s L(1
U>e he qiven utor und anhwtw he tolb winf
2 3|364 4 25
3 uhich
beauie thy hov
au mas no
yhi ch atom oil forn binyle pothely (horged in
Dond H will forn single pesitivey cherye 19
As thly add electron in Thershell wlexe
wnich i an otom ot nert ov hoble 903
which otm jwill torm Sing le ocgahiey harygd
chulged on has 7electroni
Ayhich ot th_above elemtn ts
Q3. Elmeht Ato mjc NG
37 7
fhe mony potens
How mang nevnon otorn A
the e in
whih elemor
chemicolly moe teo thve
be
shel, r
6 ekctek ih its yalene
What eleqroni contiguraton of b
Ans. Va atim CIl) 2 s Ofolelecrg Na jon Va 2
EC ot Mat 28 AtonC
Mass ho
The boliny
thi, enjcrofove scale
7> 4273
75 361k
Page
Plelhoy Point ot
02leltny sulphr u4r, oret
thi tem peature in elsiy) Jale
2y4272
(alculate the coonitratorn o solo tiu n
term mg» by muss porcenoye when
Cuso, j) disolod
3og
Ms ot olution Mas of l Sglute +solr
301360= 340
12340
More the folleuing Mercuiy
Only metl in qvid tuth
in liqurd State- Bro Minc.
Only non *me tal ot eetvie hy
is the good ondvCto
2,
3.Onls non - nehu which
ngtal: od ne cnd Grap hite
4 lwtorou hon- Metting an bo:liny poir t
hsott
5 bon -mtol vith high
ond oraphite. thoy
m¢ng point svchth
6. Metds with lo w pol pm. ienunt
wha Pept
not oh
Pag
Solute ond owant n incte ied, nei
7. Solgrt r Alcoho
ute lodne
S.olote and solvert in Vintyor
JolvenrWute.
Solote
4 Cons titve nb Bruss
and nc
ons tituent Bronze
(opper und Tin
