Question

Aniline when treated with cone. HNO₃ gives

Options

• p-Phenylenediamine

• m-Nitroaniline along with ortho, para isomers

• p-Benzoquinone

• Nitrobenzene

Answer 1

m-Nitroaniline along with ortho, para isomers

Explanation:

Although – NH₂ group is o, p - directing but in presence of conc. HNO₃ it undergoes protonation to form – \[\ce{\overset{+}{N}H3}\] which, being electron-deficient, becomes m-directing.