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

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Acidic KMnO₄

Alkaline K₂Cr₂O₇

Chromic anhydride in glacial acetic acid

Pyridinium chloro chromate

answer is C.

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Detailed Solution

Given data : It is given to identify the best reagent to convert pent-3-en-2-ol into pent-3-en-2-one.

Explanation

We have to convert pent-3-en-2-ol into pent-3-en-2-one.
First, consider the structure of pent-3-en-2-ol then we will get

Then we will convert this into pent-3-en-2-one, then we will get

Other reagents may give over oxidised products.
Hence, the correct option (C). Chromic anhydride in glacial acetic acid

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