1.

Which of the following correctly matched?

Answer»

`[Fe(CN)_(6)]^(4-) and [Fe(CN)_(6)]^(3-)`-both are octahedral and diamagnetic with `d^(2)SP^(3)`. Hybridisation.
`Ni(CO)_(4) and [Ni(CN)_(4)]^(2-)`-both are tetrahedral and diamagnetic with `sp^(3)`-hybridisation
`Ni(CO)_(4) and [Co(CO)_(4)]^(-)`-both are tetrahedral and diamagnetic
`[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


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