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JEE MAIN - Chemistry (2005 - No. 51)

The best reagent to convert pent -3- en-2-ol into pent -3-en-2-one is
Acidic permanganate
Acidic dichromate
Chromic anhydride in glacial acetic acid
Pyridinium chloro – chromate

Explication

AIEEE 2005 Chemistry - Alcohols, Phenols and Ethers Question 163 English Explanation

Pyridiminum chloro-chromate $$(PCC)$$ is specific for the conversion.

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