Question

Under which of the following reaction conditions, aniline gives p-nitro derivative as the major product?

(i) Acetyl chloride/pyridine followed by reaction with conc. H₂SO₄ + conc. HNO₃.

(ii) Acetic anyhdride/pyridine followed by conc. H₂SO₄ + conc. HNO₃.

(iii) Dil. HCl followed by reaction with conc. H₂SO₄ + conc. HNO₃.

(iv) Reaction with conc. HNO₃ + conc.H₂SO₄.

Answer 1

(i), (ii)

(i) Acetyl chloride/pyridine followed by reaction with conc. H₂SO₄ + conc. HNO₃.

(ii) Acetic anyhdride/pyridine followed by conc. H₂SO₄ + conc. HNO₃.