JEE Main & Advanced Chemistry GOC Question Bank Organic reactions and their mechanism

  • question_answer The electrophile in the nitration of benzene is [Orissa JEE 2004]

    A) \[NO_{2}^{+}\]

    B) \[N{{O}_{2}}\]

    C) \[N{{O}^{+}}\]

    D) \[NO_{2}^{-}\]

    Correct Answer: A

    Solution :

    \[NO_{2}^{\oplus }\] is produced when conc.\[HN{{O}_{3}}\] reacts with conc.\[{{H}_{2}}S{{O}_{4}}\]. \[HN{{O}_{3}}+{{H}_{2}}S{{O}_{4}}\to HSO_{4}^{-}+NO_{2}^{\oplus }+{{H}_{2}}O\]

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