1.

The correct statement with respect to the complexes Ni(CO)_(4) and [Ni(CN)_(4)]^(2-) is

Answer»

nickel is in the same OXIDATION STATE in both
both have tetrahedral geometry
both have SQUARE planar geometry
have tetrahedral and square planar geometry respectively

Solution :`Ni(CO)_(4)rarrsp^(3)` hybridisation `rarr` tetrahedral.
`[Ni(CN)_(4)]^(2-)rarrdsp^(2)` hybridisation `rarr` square planar.


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