Aspirin is an ester of salicylic acid and what other compound?
Correct answer: B. Acetic anhydride
- A. Acetic acid
- B. Acetic anhydride
- C. Methanol
- D. Formic acid
Explanation
Aspirin (acetylsalicylic acid) is synthesized by the acetylation of the phenolic hydroxyl group of salicylic acid. This esterification is typically carried out using acetic anhydride as the acetylating agent because it is more reactive than acetic acid.
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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