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JEE Main Chemistry question

ChemistryOrganic Oxidation & Reduction ReactionsJEE Main

Which of the following would decolourise cold, aqueous potassium permanganate solution (Baeyer's test)?

Answer: (B)

Solution

Baeyer's test detects a C=C double bond. Cinnamic acid, C₆H₅–CH=CH–COOH, has such a bond and is oxidatively cleaved by cold

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Question ID VK-140308