Question

The compounds P, Q and S
were separately subjected to nitration using $HN{O}_3/H_{2}S{O}_4$ mixtue. The major product formed in each case, respectively, is:

• A.
• B.
• C.
• D.

Answer 1

The correct option is C

Nitration in benzene ring is an electrophilic aromatic substitution reaction where more activating group on benzene ring decides the position of coming electrophile(here it is -$N{O}_2$ group). In the anhydride, $N{O}_2$ is attached to the benzene ring which itself attached with $O$ of anhydride. It is because in this ring, $O$ of anhydride acts as activatig group but $C=O$ in other ring acts as deactivating.

Hence, (c) is correct.