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Which of the following carbonyls will have the strongest C – O bond ?
- 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?
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Which of the following carbonyls will have the strongest C – O b...
As positive charge on the central metal atom increases, the less readily the metal can donate electron density into the π* orbitals of CO ligand (donation of electron density into π* orbitals of CO result in weakening of C – O bond). Hence, the C – O bond would be strongest in [Mn(CO)6]+.
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Which of the following carbonyls will have the strongest C – O b...
The strength of a C=O bond in a carbonyl compound can be influenced by several factors, including the electronegativity of the atoms bonded to the carbon and oxygen atoms, the size of the atoms bonded to the carbon and oxygen atoms, and the resonance stabilization of the carbonyl group.
In general, a carbonyl compound with a more electronegative atom bonded to the carbon atom will have a stronger C=O bond. This is because the more electronegative atom will withdraw electron density from the carbon atom, making the C=O bond more polarized and therefore stronger.
Additionally, a carbonyl compound with smaller atoms bonded to the carbon and oxygen atoms will have a stronger C=O bond. This is because the smaller atoms can approach each other more closely, resulting in stronger bonding interactions.
Lastly, resonance stabilization of the carbonyl group can also contribute to the strength of the C=O bond. Resonance structures with additional electron delocalization can stabilize the carbonyl group, making the C=O bond stronger.
Based on these factors, the carbonyl compound that will have the strongest C=O bond is likely the one with the most electronegative atom bonded to the carbon atom and the smallest atoms bonded to the carbon and oxygen atoms.
In general, a carbonyl compound with a more electronegative atom bonded to the carbon atom will have a stronger C=O bond. This is because the more electronegative atom will withdraw electron density from the carbon atom, making the C=O bond more polarized and therefore stronger.
Additionally, a carbonyl compound with smaller atoms bonded to the carbon and oxygen atoms will have a stronger C=O bond. This is because the smaller atoms can approach each other more closely, resulting in stronger bonding interactions.
Lastly, resonance stabilization of the carbonyl group can also contribute to the strength of the C=O bond. Resonance structures with additional electron delocalization can stabilize the carbonyl group, making the C=O bond stronger.
Based on these factors, the carbonyl compound that will have the strongest C=O bond is likely the one with the most electronegative atom bonded to the carbon atom and the smallest atoms bonded to the carbon and oxygen atoms.
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Which of the following carbonyls will have the strongest C – O bond ?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?
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