b) How is a metal-carbon pi bond formed in metal carbonyls? – InterviewSolution

1.	b) How is a metal-carbon pi bond formed in metal carbonyls?
Answer» Solution :`M-C pi` BOND is formed by the donation of a pair of electrons from a FILLED d-orbital of metal into the vacnat antibonding `pi` orbital of carbon monoxide. This is CALLED BACK bonding.

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