Discussion Forum : Alcohols Phenols And Ethers
Question -


The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is

Options:
A .   Acidic permanganate
B .   Acidic dichromate
C .   Chromic anhydride in glacial acetic acid
D .   Pyridinium chloro-chromate
Answer: Option C
:
C
Strong oxidising agents like acidified KMnO4 or K2Cr2O7 oxidised alcohols to carboxylic acids. For oxidation of primary alcohols to ketones, Pyridinium chloro-chromate(PCC) is used and for oxidation of secondary alcohols to ketones, Chromic anhydride in glacial acetic acid is used.

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