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The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is
A. acidic permanganate
B. acidic dichromate
C. chromic anhydride in glacial acetic acid
D. pyridinium chlorochromate.

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Correct Answer - D
Pyridinium chlorochromate oxidises an alcoholic group selectively in the presence of carbon-carbon double bond.

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