question_answer

The complex \[{{\left[ Ni{{\left( CN \right)}_{4}} \right]}^{2-}}\] is diamagnetic and the complex \[{{\left[ NiC{{l}_{4}} \right]}^{2-}}\] is paramagnetic. What can you conclude about their molecular geometries?

A) Both complexes have square planar geometries

B) Both   complexes   have   tetrahedral geometries

C) \[{{\left[ NiC{{l}_{4}} \right]}^{2-}}\] has a square planar geometry while \[{{\left[ Ni{{(CN)}_{4}} \right]}^{2-}}\] has a tetrahedral geometry

D) \[{{\left[ NiC{{l}_{4}} \right]}^{2-}}\] has a tetrahedral geometry while \[{{\left[ Ni{{(CN)}_{4}} \right]}^{2-}}\] has a square planar geometry

Correct Answer: D

Solution :