Question

Among the complexes of $Ni$ listed below, the following is the only correct statement.
I $ [Ni(CO)_4]$
II $[Ni(CN)_4]^{2-} $
III $ [NiCl_4]^{2-} $

• A. All of them have tetrahedral geometry.
• B. $I$ and $III$ are tetrahedral and $II$ has square planar geometry
• C. $I$ and $II$ are tetrahedral and $III$ is square planar
• D. All of them have square planar geometry.

Answer 1

Answer: (B)

Correct answer is (b) $I$ and $III$ are tetrahedral and $II$ has square planar geometry