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Dehydration Reaction

Ethanol is he...

Question

Ethanol is heated gently in a water bath as shown in the set-up. When potassium permanganate is added in excess, the pink color of potassium permanganate disappears due to the formation of which compound?

A

Acetic acid

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B

Propanoic acid

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C

Methanoic acid

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D

Formic acid

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Solution

The correct option is A
Acetic acid

When potassium permanganate is added (in excess) to ethanol, it is oxidized to ethanoic acid (acetic acid).
The chemical reaction involved is:
CH₃CH₂OH + KMnO₄ → CH₃COOH

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