JEE Main 2012 Chemistry question

Chemistry Aldehydes, Ketones and Carboxylic Acids JEE Main 2012

Aspirin can be prepared by the reaction of

(1)Salicyldehyde with acetic anhydride in presence of
(2)Salicylic acid with methanol in presence of
(3)Salicylic acid with acetic anhydride in presence of Correct
(4)Cinnamic acid with acetic anhydride in presence of

Answer: (3)

Solution

Acetylation of the phenolic OH of salicylic acid with acetic anhydride (acid catalyst) gives

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Question ID VK-103593