Match the species in List-I with their geometry in List-II.
- A-III, B-II, C-I, D-IV
- A-IV, B-III, C-I, D-II
- A-III, B-IV, C-I, D-II
- A-III, B-I, C-II, D-IV
Answer
(3) A-III, B-IV, C-I, D-II
Solution
A. PCl5: sp3d hybridization with 5 bond pairs and 0 lone pairs Trigonal bipyramidal (III).
B. BrF5: sp3d2 hybridization with 5 bond pairs and 1 lone pair Square pyramidal (IV).
C. BF4-: sp3 hybridization with 4 bond pairs and 0 lone pairs Tetrahedral (I).
D. [Ni(CN)4]2-: Ni2+ (3d8) with strong field ligand CN- undergoes pairing to give dsp2 hybridization Square Planar (II).
Matching: A-III, B-IV, C-I, D-II. Answer: (3)