What is the structural difference between an aldehyde and a ketone?
Answer and explanation
Correct answer: A. An aldehyde carbonyl has at least one H atom, whereas a ketone carbonyl is bonded to two carbons
Both aldehydes and ketones contain a carbonyl group (C=O). In an aldehyde (R-CHO), the carbonyl carbon is bonded to at least one hydrogen atom (located at the end of a carbon chain). In a ketone (R-CO-R'), the carbonyl carbon is bonded to two organic carbon substituents (located within a carbon chain).
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