Aniline when treated with conc. HNO3 gives

Question

Aniline when treated with conc. HNO3 gives (A) p-Phenylenediamine (B) m-Nitroaniline (C) p-Benzoquinone (D) Nitrobenzene

Tardigrade Admin · Accepted Answer

Although - NH2 group is o, p - directing but in presence of conc. HNO3 it undergoes protonation to form - overset+NH3 which, being electron - deficient, becomes m- directing <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/04b302f9cc6ac7427da2781d8377e533-.png" />

Q. Aniline when treated with conc. $H N O_{3}$ gives

$p$ -Phenylenediamine

$m$ -Nitroaniline

$p$ -Benzoquinone

Nitrobenzene

Although $- N H_{2}$ group is $o, p$ - directing but in presence of conc. $H N O_{3}$ it undergoes protonation to form $- N + H_{3}$ which, being electron - deficient, becomes $m$ - directing

Q. Aniline when treated with conc. HNO3​ gives

p-Phenylenediamine

m-Nitroaniline

p-Benzoquinone