Question

what is the action of 1) conc.HNO3 and 2) Hydrogen on Benzene​

Answer 1

Explanation:

2) Hydrogen acts on benzene in the presence of Nickel catalyst to give gaseous CYCLOHEXANE

1) Well , I think the question should be reaction of benzene in presence of Conc hno3 and Conc h2so4:

Which gives NITROBENZENE