A) Phenol
B) Hydrazobenzene
C) Aniline
D) Nitrosobenzene
Correct Answer: B
Solution :
Key Idea Reduction of nitrobenzene| Medium | Reagent | Product |
| Acid | Sn/HCl | Aniline |
| Neutral | \[Zn/N{{H}_{4}}Cl\] | N-phenyl hydroxyl amine |
| Alkaline | \[N{{a}_{3}}As{{O}_{3}}\]/NaOH, \[C{{H}_{3}}OH\]Zn/NaOH,\[{{C}_{2}}{{H}_{5}}OH\] | Azoxy benzene Hydrazo benzene |
| Metallic | \[LiAl{{H}_{4}}\] | Aniline |
| Hydride | ||
| Electrolytic | Dil \[{{H}_{2}}S{{O}_{4}}\] | Aniline |
| Reduction |
When nitrobenzene is reduced by zinc and alkali then hydrazobenzene is formed. 
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