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Ni in [Ni(CO)4] has the configuration 3d10. What is the hybridization?

1. sp3 hybridization
2. dsp2 hybridization
3. sp2 hybridization
4. sp hybridization

Correct answer: sp3 hybridization

Solution

In [Ni(CO)4], Ni is in the zero oxidation state, and CO is a strong field ligand. It causes pairing of 3d electrons, resulting in a 3d10 configuration. The 4s and 4p orbitals hybridize to form sp3 hybridization.

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