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Question: Answered & Verified by Expert
What forms the M–C p bond in metal carbonyls?
ChemistryCoordination CompoundsNEET
Options:
  • A The donation of a pair of electrons from a filled d orbital of metal into the vacant antibonding p* orbital of carbon monoxide
  • B The donation of a pair of electrons from the metal into the vacant antibonding p* orbital of carbon monoxide
  • C The donation of a pair of electrons from the metal into the vacant p orbital of carbon monoxide
  • D The donation of a pair of electrons from a filled p orbital of metal into the vacant orbital of the carbon
Solution:
2570 Upvotes Verified Answer
The correct answer is: The donation of a pair of electrons from a filled d orbital of metal into the vacant antibonding p* orbital of carbon monoxide
The M–C p bond is formed by the donation of a pair of electrons from a filled d orbital of metal into the vacant antibonding p* orbital of carbon monoxide.

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