AIPMT MAINS2011Chemistry-Coordination Compounds

AIPMT MAINS 2011 Chemistry Metal Carbonyls MCQ Question

Type: MCQ-conceptual-Hard-Class 12

Which of the following carbonyls will have the strongest C – O bond?

A

V(CO)₆⁻

B

Fe(CO)₅

C

Mn(CO)₆⁺

D

Cr(CO)₆

Correct Answer

Option C

Detailed Explanation

Mn(CO)₆⁺ has the strongest C–O bond due to the highest positive charge, which increases back-bonding and strengthens the bond.

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