Which of the following statement about carbonyl C atom is TRUE?Group of answer choicesThe carbonyl O atom is electron poor.The C=O bond is non-polar.The C=O bond is polar.The carbonyl C atom is electron rich.
Question
Which of the following statement about carbonyl C atom is TRUE?Group of answer choicesThe carbonyl O atom is electron poor.The C=O bond is non-polar.The C=O bond is polar.The carbonyl C atom is electron rich.
Solution
The correct statement about the carbonyl C atom is: "The C=O bond is polar."
Here's why:
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The carbonyl O atom is not electron poor. In fact, it is electron rich because oxygen is more electronegative than carbon and pulls the shared electrons towards itself.
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The C=O bond is not non-polar. It is polar because of the difference in electronegativity between carbon and oxygen. Oxygen being more electronegative pulls the shared electrons towards itself creating a dipole.
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The C=O bond is polar. This is true for the reasons mentioned above.
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The carbonyl C atom is not electron rich. It is electron deficient because the more electronegative oxygen atom pulls the shared electrons away from the carbon atom.
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