Show how to carry out the transformation of benzene by going through a diazonium intermediate. At each step, either select the appropriate reagents or draw the correct product. Benzene reacts with reagent 1 to generate nitro benzene. Nitrobenzene reacts with zinc and H C l to form product 2. PRoduct 2 reacts with N a N O 2 and H C l to give product 3. Product 3 reacts with reagent 4 to give benzene.