Nitrobenzene on further excessive nitration gives

p-Nitrotoluene on further nitration gives

Reduction of nitrobenzene, in the presence of Zn and KOH, gives

A: Nitrobenzene on reduction with Zn//NaOH//Delta gives hydrazobenzene. R: Nitrobenzene on reduction with Sn/HCI gives aniline.

Nitrobenzene on reduction with Hydrogen in presence of Nickel gives

Nitrobenzene on reduction with hydrogen in presence of nickel gives

When nitrobenzene is treated with bromine, it gives :

Nitrobenzene on reduction with Zn//NH_4 Cl gives