Which statement is incorrect : -

Question

( A ) $Ni(CO)_4$ - Tetrahedral, diamagnetic
( B ) $[Ni(Cl)_4] ^{–2 }$– Tetrahedral, paramagnetic
( C ) $Ni(CN)_4^{-2}$ - Square planar, diamagnetic
( D ) $Ni(CO)_4$– Tetrahedral, paramagnetic