Match List I with List II LIST-I LIST-II A. K2[Ni(CN)4] I. sp3 B. [Ni(CO)4] II. sp3d2 C. [Co(NH3)6]Cl3 III. dsp2 D. Na3[CoF6] IV. d2sp3 Choose the correct answer from the options given below: (A) A-II

Question

Match List I with List II LIST-I LIST-II A. K2[Ni(CN)4] I. sp3 B. [Ni(CO)4] II. sp3d2 C. [Co(NH3)6]Cl3 III. dsp2 D. Na3[CoF6] IV. d2sp3 Choose the correct answer from the options given below:

(A) A-III, B-I, C-II, D-IV
(B) A-III, B-II, C-IV, D-I
(C) A-I, B-III, C-II, D-IV
(D) A-III, B-I, C-IV, D-II

Prashant Kotian · Accepted Answer

Correct answer: D. (A) K2 [Ni(CN)4] +2  Ni2+ [Ar]3d8 4sº , Pre hybridization state of Ni+2 4s dsp2 3d 4p (B) [Ni(CO)4] Ni  [Ar] 3d8 4s2 CO isS.F.L , so pairing occur Pre hybridization state of Ni 4s sp3 3d 4p (C)   3 6 Co(NH ) Cl 6 Co :[Ar]3d 4s  With Co3+, NH3 act as S.F.L d2sp3 4s 4p 3d (d) Na3 [CoF6] Co3+ : [Ar] 3d6 ( FW.F.L) sp3d2 3d 4s 4p 4d

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