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CN   is a strong field ligand. This is due to the fact that

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By Expert Faculty of Sri Chaitanya
a
It can accept electron from metal species
b
It forms high spin complexes with metal species
c
It carries negative charge
d
It is a pseudohalide

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detailed solution

Correct option is D

Cyanide ion is strong field ligand because it is a pseudohalide ion. Pseudohalide ions are stronger coordinating ligand & they have the ability to form σ bond (from the pseudohalide to the metal) and n bond (from the metal to pseudohalide).


Similar Questions

Statement 1: NF3 is weaker ligand than N(CH3)3.

Statement 2: NF3 ionizes to give F- ions in aqueous solution.

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