Q. $o$-Hydroxybenzoic acid $\xrightarrow{\text { Acetic anhydride }}X+$ Acetic acid The total number of $\pi$-bonds present in product ' $X$ ' is_______.
Chemistry in Everyday Life
Solution:
$o$-Hydroxybenzoic acid (or salicylic acid) on acetylation yields aspirin. It contains $5 \pi$-bonds.
