Ms) i r Ty, Ky Lott ‘NH NH, de Tetsammindichloido chvomian I] i nansTetraameocdihlrie sheet (LN) So184 (4) Optical isomers of [Co(en),?* — Tris(ethane-1,2 diamine)cobalt (11) ion. Tilethone,2 diamine Triethace 2 diamine ‘oot i) on ‘obat i)om| deste ew 44, (#) Tetrzamminediaquacobal (HD chloride (i Rramminpaianiketacor dock) Fines oN op fixe 45. (0 fr to anover (a) Refer to answer 43 i). (ii) Refer to answer 28. 46, Tetraamminedichloridochromium(I1ion exhibits geometrical isomerism. Iles” Miror [Gen ‘tate tuo tPuc(en, a op a Wig 7 nin XbA oy CBSE Chapianuisa-Topicwisa Chernsiry [Cr(NH5),Cly{en)|"= sare lave 48. (i) Refer to answer 33. (i) Refer to answer 31. Gi) Refer to answer 32, 49. (i) CoCL{er),|":Dichlordobisethane-1,2-dlamine) cob (T) om | twill exist in two geometrical isomeric forms ge J (i CES KS eG, raf cio visi sett: ie Gi) [Cx{C,0),): Taoralatochrormiam({1) ion twill show optical isomerism. Tico eentomerc forme (wand) Gi) [CoNFy)Ch:Triamminetrichloridocobalt (TM) twill exist in two geometrical isomeric forms: NHL a ars HN | cl anh oN Nbc av Ny avt Na a NH, seal) Merten er 50. (1) [Co(en),ICl,: Refer to answer 43(0). i) [PUNT Ch Refer to answer 28 Gai) Het) CIA XH, wo] al NA IS iN HN { ‘ct sw], Nis a Govninielicide Tw rnimbedchoideCoordination Compounds 5, IGF comang Non wah efron at, ERE OC I is a weak field ligand. Hence, outer 45 and 4p orbitals ae sed in hybridisation. Ina TTT) bl BEY — sp brian, etn pnd Trach tps Coos as) 1 has two unpaired electrons” hence, it is paramagnetic: [Ni(CO)4 contains Ni(O)~ 3442? configuration. uw mer 9 coe ean ga era oA ieonea a aenueen isco} bes ap beatin eae aes “The complex has all paired electrons hence, it is meee £2. ‘The stg of the gence rile tot iSadarab ese races ethigheencgy oat duct lacion Ngan ‘in an octahedral crystal ficld is known as crystal ficld ‘ping naodedral l Ni(o) Ground state i tne heen ey srotoie ae Mewar tienen <¢osbitalspliting in on octahedral etl Fel [Mn(1130)4)** contains Mn?* ~ 348 configuration GN. = 6, octahedral structure, HO is a weak file ligand, hence a,

P ao? ty Hence, pairing of clectrons in f, orbitals takes place. thas only one unpaired electron. 53. Refer to answer 52. 54, Featom (7=26) Gromdstae é coo ban Ire&GN),) ton me @ Be Fa baba (Greg tnd inner orbital octahedral Fe jon ‘The complex ion has ‘geometry (low spin) and is paramagnetic duc to the presence of one unpaired electron. Ground ste: (SET) i ich Feion: Inettiy OP TET 68 BR & ns pe nyordsation sik puss of lectus fromete HO figande (work ir) ‘The complex ion has outer orbital octahedral ‘geometry (high spin) and is paramagnetic due to the presence of five unpaired electrons. 56, () Ford lon, P the fourth lctron enters ‘one of the ¢, orbitals giving the configuration '3y ¢4- Ligands for which 8,

? Aye When 4, PNQNHDF* > [NUNO,).I* Gaboa7onm) (about tn) (30am) 87. (@) The arrangement of ligands inorder of thcic increasing field strength fe. increasing crystal fied spliting energy (CFSE) value is called spectrochemicalsriss. (b) @ The facial and meridional isomers of [Co(NH,),Cl,] may be represented as Fano Merial (ii) [CoC {er)31" ion exists in. two” geometrical ‘isomers as shown below : ad’ ap eo) ETT © CO af ad Fon: I (Co [o(H,0),F*: GODT) SlebebelbeteT TT) - —— a Pe wpb sicpurot eats from sit 0 ewes ‘west gan Hybridization - sp"? Shape - Octahedtal. Magnetic property ~ Paramagnetic: (ii Refer to answer 60. (it) PNICL?": Refer to answer 51 189 89, In CO oth lone pair of lectrons and vacant + ‘orbitals are present, Hence i acts a electeon pate 1 donor as wll as x acceptor by back bonding Hence, M_CO bonds stronger M=SzCO NHSISICSFORIPRIEMORORNAG] Accumulation of negative charge on the metal on takes place hence (MONH, bond is weaker. MONE, 90. Refer io answer 88 91, Because GO has vacant molecular orbitals with ‘which tt can form -bond with metal through back donation. 92. ()NW(CO), 0 Sager prema 93. [Co(en),}™ is more stable complex than ICo(NH,),]"* due to chelate effet ast forms rings. of a complex in solation refers to the degrce of association between the two specics involved in the state of equilibrium. ‘The magnitude fof the equilbrium constant for the association, ‘quantitatively expresses the stabil “The instability constant or disociation constant of >>