All of the Statements Concerning the Carbonyl Group in Aldehydes

question 44

Multiple Choice

All of the statements concerning the carbonyl group in aldehydes and ketones are true except

• A)the bond is polar,with a slight negative charge on the oxygen atom.
• B)the bond angles about the central carbon atom are 120°.
• C)the carbonyl group is planar.
• D)in condensed form the carbonyl group can be written as -CHO.
• E)because the bond is polar,carbonyl groups readily form hydrogen bonds with each other.

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