The reduction of nitro compounds is most preferred in the presence of
Answer»
PD/`H_2` in ethanol Sn + HCl Linelydivided Ni iron scrap and HCl
Solution :Reduction with iron scrap and hydrochloric ACID is preferred because `FeCl_2` formed gets hydrolysed to release hydrochloric acid during the REACTION. Thus only a SMALLAMOUNT of hydrochloric acid is required to initiate the reaction.