Which complex has square planer structure ?

Options

A. `Ni(CO)_(4)`
B. `[NiCl_(4)]^(2-)`
C. `[Ni(H_(2)O)_(6)]^(2+)`
D. `[Cu(NH_(3))_(4)]^(2+)`

Answer

D

Explanation

`Cu(NH_(3))_(4)]^(2+)` is a square planer complex involving `dsp^(2)`-hybridisation (see text).