JEE Main 2022 · 28 Jun · Shift 2 · Chemistry Q77

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ChemistrySingle correct+4 / -1Question 77 of 90

With respect to the following reaction, consider the given statements :

(A) o-Nitroaniline and p-nitroaniline are the predominant products.

(B) p-Nitroaniline and m-nitroaniline are the predominant products.

(D) $\mathrm{H_2SO_4}$ acts as an acid.

Choose the correct option.

Aniline treated with HNO3 / H2SO4 at 288 K gives products.

(A) and (C) are correct statements.

(A) and (D) are correct statements.

(B) and (D) are correct statements.

(B) and (C) are correct statements.

Answer and worked solution

Official answer: C

In strong acid aniline is largely anilinium, so p-nitroaniline (about 51%) and m-nitroaniline (about 47%) dominate: (B). $\mathrm{H_2SO_4}$ protonates $\mathrm{HNO_3}$ , acting as the acid: (D). $\mathrm{HNO_3}$ acts as a base.

(C)

Topics:Amines Aromatic hydrocarbons and electrophilic substitution

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JEE Main 2022 · 28 Jun · Shift 2, Chemistry question 77