Carboxylic Acid and Acid DerivativesHard

Question

Acetic acid on heating with P2O5 produces:

Options

A.CH3COCH3
B.CH3CHO
C.CH3COCH2CH3
D.(CH3CO)2O

Solution

Acetic anhydride is produced.
2CH3COOH (CH3CO)2O

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