Coordination Compounds - Result Question 62
####69. $CN^{-}$is a strong field ligand. This is due to the fact that
[2004]
(a) it carries negative charge
(b) it is a pseudohalide
(c) it can accept electrons from metal species
(d) it forms high spin complexes with metal species
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Solution:
- (b) $CN^{-}$is a strong field ligand as it is a psuedohalide ion.
Psuedohalide ions are strong coordinating ligands and hence have the tendency to form $\sigma$-bond (from the pseudo halide to the metal) and $\pi$-bond (from the metal to pseudo halide).