Coordination Compounds

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Question 3 of 4

The hybridisation of central nickel atom in [Ni(CO)4][Ni(CO)_4] is:

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Answer: (B) sp3sp^3

COCO is strong field ligand, forcing pairing of 3d84s23d^8 4s^2 to 3d103d^{10}, leaving 4s4p34s 4p^3 for sp3sp^3 tetrahedral bonding.

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