The final product 'C' is the following series of reactions
(A)(see structure)
(B)(see structure)
(C)(see structure)✓ Correct
(D)(see structure)
Answer: (C)
Solution
The reaction sequence involves: (1) Reduction of the nitro group to an amino group, (2) Diazotization to form a diazonium salt, (3) Coupling with β-naphthol. The diazonium ion couples at the position ortho to the -OH group in β-naphthol (position 1), giving the azo dye shown in option (C).
JEE Main · 2022 · 26 Jun 2022 · Shift 2 · Single correct option