The species having tetrahedral shape is

Options

A. `[NiCl_(4))]^(2-)`
B. `[Ni(CN)_(4)]^(2-)`
C. `[PdCl_(4)]^(2-)`
D. `[Pd(CN)_(4)]^(2-)`

Explanation

`[NiCl_(4)]^(2-)` has tetrahedral shape. In this comples, Ni is the +2 oxidation state and `Ni^(2+)` ions always forms tetrahdral complexes.