Q.

Identify the CORRECT set of details from the following:

A. [Co(NH3)6]3+ : Inner orbital complex; d2sp3 hybridized

B. [MnCl6]3- : Outer orbital complex; sp3d2 hybridized

C. [CoF6]3- : Outer orbital complex; d2sp3 hybridized

D. [FeF6]3- : Outer orbital complex; sp3d2 hybridized

E. [Ni(CN)4]2- : Inner orbital complex; sp3 hybridized

Choose the correct answer from the options given below:   [2026]

1 A, C & E Only  
2 C & D Only  
3 A, B, C, D & E  
4 A, B & D Only  

Ans.

(4)

(A) Co3+:3d6
       NH3⇒S.F.L
       Hybridisation⇒d2sp3, Inner orbital complex

(B) Mn3+:3d4
       Cl-⇒W.F.L
       Hybridisation⇒sp3d2, Outer orbital complex

(C) Co3+:3d6
        F-⇒W.F.L
        Hybridisation⇒sp3d2, Outer orbital complex

(D) Fe3+:3d5
       F-⇒W.F.L
       Hybridisation⇒sp3d2, Outer orbital complex

(E) Ni2+:3d8
       CN-⇒S.F.L
       Hybridisation⇒dsp2, Inner orbital complex