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When vapours of a secondary alcohol is passed over heated copper at 573 K, the product formed is

1. an alkene
2. a carboxylic acid
3. an aldehyde
4. a ketone

Correct answer: a ketone

Solution

When a secondary alcohol is passed over heated copper at 573 K, it undergoes dehydrogenation to form a ketone. This is a characteristic reaction of secondary alcohols.

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