Question : Aspirin is an acetylation product of ______ ?
(1) p-dihydroxybenzene.
(2) o-hydroxybenzoic acid.
(3) o-dihydroxybenzene.
(4) m-hydroxybenzoic acid.
Answer : In all above four options the correct answer is “(2) o-hydroxybenzoic acid. ”
Explanation of answer : When acetylation reaction happed with o-Hydroxybenzoic acid than after the acetylation reaction the 2-acetoxybenzoic acid product is resultant , and the resultant product named 2-acetoxybenzoic acid is also called by name aspirin.
The acetylation reaction of o-hydroxybenzoic acid is shown in figure below –
that why the correct of question Aspirin is an acetylation product of ______ ? is (2) o-Hydroxybenzoic acid on acetylation gives aspirin.