Question

$o$-Hydroxybenzoic acid $\stackrel{\text{ Acetic anhydride }}{\to }X+$ Acetic acid The total number of $\pi$-bonds present in product ' $X$ ' is_______.

Answer 1

Answer: 5

$o$-Hydroxybenzoic acid (or salicylic acid) on acetylation yields aspirin. It contains $5\pi$-bonds.