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Question 770007
JEE Chemistry · Medium

Hydrocarbons: Benzene electrophilic MCQ

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Benzene electrophilicMediumQuestion 770007

Question

In nitration of benzene, the electrophile is:
  1. A
    NO₂⁺ (nitronium ion)
    Correct
  2. B
    HNO₃
  3. C
    H₂SO₄
  4. D
    NO₂

Correct answer

NO₂⁺ (nitronium ion)

Explanation

Mixed acid (conc. HNO₃ + conc. H₂SO₄): HNO₃ + H₂SO₄ → NO₂⁺ + HSO₄⁻ + H₂O. The nitronium ion (NO₂⁺) is the electrophile that attacks the benzene ring.

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