Question

aniline to nitrobenzene

Answer 1

1)First convert aniline to diazonium chloride salt using NaNO2+HCL
2)Use H3PO3 to remove the N2^Cl^- group from diazonium chloride salt & results to a simple benzene.
3)Convert benzene to nitrobenzene by using the nitrating mixture i.e conc.HNO3+H2SO4