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Which of the following compounds gives a ketone when its vapours are passes over heated copper at 573K?

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Which of the following compounds gives a ketone when its vapours are passes over heated copper at 573K?

(a) Propan-1-ol

(b) Propan-2-ol

(c) 2-Methylpropan-1-ol

(d) 2-Methylpropan-2-ol

I have been asked this question in my homework.

Enquiry is from Alcohols and Phenols in portion Alcohols, Phenols and Ethers of Chemistry – Class 12

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Correct option is (b) Propan-2-ol

Best explanation: Secondary alcohols undergo dehydrogenation when its vapours are passed over Cu at 573K to give ketone. Primary and tertiary alcohols under the same conditions give aldehydes and alkenes respectively.

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