Which of the following correctly matched?

Options

A. `[Fe(CN)_(6)]^(4-) and [Fe(CN)_(6)]^(3-)`-both are octahedral and diamagnetic with `d^(2)sp^(3)`. Hybridisation.
B. `Ni(CO)_(4) and [Ni(CN)_(4)]^(2-)`-both are tetrahedral and diamagnetic with `sp^(3)`-hybridisation
C. `Ni(CO)_(4) and [Co(CO)_(4)]^(-)`-both are tetrahedral and diamagnetic
D. `[Co(H_(2)O)_(6)]^(3+) and [Cr(H_(2)O)_(6)]^(3+)`-both are paramagnetic annd metal is `d^(2)sp^(3)`-hybridised

Answer

C