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Question

A compound with molecular formula C₄H₈O is a functional isomer of butanal and contains a carbonyl group. What is its IUPAC name?

Options

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Explanation

Butanal (CH₃CH₂CH₂CHO) is an aldehyde. Its functional isomer with a carbonyl is CH₃COCH₂CH₃ (butan-2-one), a ketone with the same formula.