Question

How is nitrobenzene converted to aniline

Answer 1

A faster way would be to add H2 in presence of Palladium. Or use Fe/HCl. These two would be a single step reaction.

Answer 2

Answer: Nitrobenzene is converted into aniline with zinc or tin in acidic medium

Explanation:

Treat the nitrobenzene with zinc or tin in acidic medium to obtain aniline.

$C_6H_5-NO_2\xrightarrow[]{\text{Zn/HCl or Sn/HCl}} C_6H_5-NH_2$

Refer the an image attached.