Q.
Aniline reacts with mixed acid(conc. $HNO_3$ and conc. $H_2SO_4)$ at $288\, K$ to give $P (51\ %)$, $Q (47\%)$ and $R (2\%)$. The major product(s) of the following reaction sequence is (are)
Solution:
Correct answer is (d)


Solution: