Electronic configuration of:
Ni→3d84s2

CO is strong field ligand so unpaired electrons will get paired.

sp3 hybridisation
Tetrahedral, diamagnetic.
What are the geometry and magnetic behaviors of the complex [Ni(CO)4]?
Held on 30 Apr 2018 · Verified 9 Jul 2026.
Square planar geometry and paramagnetic.
Tetrahedral geometry and diamagnetic.
Square planar geometry and diamagnetic.
Tetrahedral geometry and paramagnetic.
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