In the reduction of nitrobenzene (with Fe/HCl or Sn/HCl) to aniline, which of the following is an intermediate?

JEE Main Chemistry question

In the reduction of nitrobenzene (with or ) to aniline, which of the following is an intermediate?

(A) (nitrosobenzene)Correct
(B) (hydrazobenzene)
(C) (azobenzene)
(D)azoxybenzene

Answer: (A)

Solution

Under acidic reducing conditions, nitrobenzene is reduced to aniline through a well-defined stepwise sequence of two-electron reductions: (nitrosobenzene) (phenylhydroxylamine) (aniline). Hydrazobenzene,

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Question ID VK-150380