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NEETChemistryCoordination Compounds

How is the M–C s bond formed in metal carbonyls?

Options

  1. ABy the donation of a pair of electrons from a filled d orbital of metal
  2. BBy the donation of a lone pair of electrons on the carbonyl carbon into a vacant orbital of the metal
  3. CBy the donation of a pair of electrons from the metal into the vacant antibonding p* orbital of carbon monoxid
  4. DBy the donation of a pair of electrons from a filled p orbital of metal into the vacant orbital of the carbon

Correct answer

B. By the donation of a lone pair of electrons on the carbonyl carbon into a vacant orbital of the metal

Step-by-step solution

The M–C s bond is formed by the donation of a lone pair of electrons on the carbonyl carbon into a vacant orbital of the metal.

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