Identify 'A' in the following reaction. A + Acetic anhydride H^ + Aspirin + Acetic acid

MHT CET 2023 Chemistry question

Identify 'A' in the following reaction. A + Acetic anhydride Aspirin + Acetic acid

(A)Acrylic acid
(B)Oxalic acid
(C)Salicylic acidCorrect
(D)Phthalic acid

Answer: (C)

Solution

Aspirin is acetylsalicylic acid (2-acetoxybenzoic acid). It is prepared by acetylating the phenolic –OH group of salicylic acid (2-hydroxybenzoic acid) with acetic anhydride in the presence of an acid catalyst:

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Question ID VK-098311