Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO₃ and conc. H₂SO₄. In the mixture, nitric acid acts as a/an:

Question

Dr. Abubacker · Accepted Answer

[Solution from source] H₂SO₄ is the stronger acid and protonates HNO₃: HNO₃ + 2H₂SO₄ → NO₂⁺ + H₃O⁺ + 2HSO₄⁻. Accepting a proton means nitric acid acts as a base here, producing the nitronium electrophile. Answer (2).

Q. Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO₃ and conc. H₂SO₄. In the mixture, nitric acid acts as a/an:

Explanation

Reviewed by Dr. Abubacker

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