NEET | 2018d and f-Block ElementsHard

Question

The geometry and magnetic behaviour of the complex [Ni(CO)4] are

Options

A.

square planar geometry and diamagnetic

B.

tetrahedral geometry and diamagnetic

C.

square planar geometry and paramagnetic

D.

tetrahedral geometry and paramagnetic

Solution

tetrahedral geometry and diamagnetic
Ni→3d8 4s2


CO is SFL so unpaired electrons will get paired

sp3 hybridisation
Tetrahedral, diamagnetic

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