 
       
      
    13.13 How will you convert benzene into
(i) p-nitrobromobenzene
 
                
                  Bromination of a benzene ring in the presence of anhydrous  and 
 gives bromobenzene and after that treating bromobenzene with conc. nitric acid in the presence of sulphuric acid followed by fractional distillation gives p-nitrobenzene.
 
                 
                