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Which of the following carbonyls will have the strongest C – O bond ? [2011 M]
  • a)
    Mn (CO)6+
  • b)
    Cr (CO)6
  • c)
    V (CO)6
  • d)
    Fe (CO)5
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which of the following carbonyls will have the strongest C – O b...
As + ve charge on the central metal atom increases, the less readily the metal can donate electron density into the π* orbitals of CO ligand to weaken the C – O bond.
Hence, the C – O bond would be strongest in Mn(CO)6+.
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Most Upvoted Answer
Which of the following carbonyls will have the strongest C – O b...
The strength of a C=O bond in a carbonyl compound is determined by the electronegativity of the atoms attached to the carbon atom. The more electronegative the atoms, the stronger the C=O bond will be.

Among the following carbonyls, the one with the strongest C=O bond will be the one with the most electronegative atoms attached to the carbon atom.

The options provided in the question are missing, so it is not possible to determine the specific carbonyls being compared. Please provide the options for a more accurate answer.
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Which of the following carbonyls will have the strongest C – O bond ? [2011 M]a)Mn (CO)6+b)Cr (CO)6c)V (CO)6–d)Fe (CO)5Correct answer is option 'A'. Can you explain this answer?
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