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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