JEE Main Chemistry question
**Matrix Match.** Match the reduction of nitrobenzene (Column I) with its major product (Column II).
| Column I | Column II | |---|---| | (A) | (1) (azobenzene) | | (B) | (2) (hydrazobenzene) | | (C) | (3) (phenylhydroxylamine) | | (D) | (4) azoxybenzene () |
Answer: (A)
Solution
The printed source key (A-2, B-3, C-1, D-4) has A and B swapped: Zn/ (a mild, nearly neutral medium) is the textbook-standard reagent that stops reduction at the phenylhydroxylamine stage, giving A-3 (not A-2), while Zn/alcoholic NaOH (a stronger, more forcing alkaline medium) is the textbook-standard reagent
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