Which one of the following is wrongly matched ?

Options

A. `[Cu(NH_(3))_(4)]^(2+)` - square planar
B. `[Ni(CO)_(4)]` - neutral ligand
C. `[Fe(CN)_(6)]^(3-) - sp^(3)d^(2)`
D. `[Cr(en)_(3)]^(3+)`-follows EAN rule

Answer

C

Explanation

`[Fe(CN)_(6)]^(3-)` is an inner orbital octahedral complex with the hybridisation `d^(2)sp^(3)`.