The compounds $P, Q$ and $S$ where separately subjected to nitration using $\mathrm{HNO}_3 / \mathrm{H}_2…
The compounds $P, Q$ and $S$
where separately subjected to nitration using $\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4$ mixture. The major product formed in each case respectively, is