Chemistry Alcohol, Phenol and Ether Preparation of Alcohol, Phenol and Ethers Single Correct MCQ
Published on: August 13, 2026

The best reagent to convert pent en 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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The correct answer is:
D

The given conversion is represented as -

PCC converts secondary alcohols to ketones. In the presence of carbon - carbon double bond pyridinium chlorochromate oxidizes an alcoholic group selectively.

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