Nitrobenzene can be prepared from benzene by using a mixture of conc. $H N O_{3}$ and conc. $H_{2} S O_{4}$ . In the nitrating mixture, $H N O_{3}$ acts as:

A base

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An acid

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A reducing agent

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A catalyst

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Solution

The correct option is B A base

$H N O_{3}$ acts as a base. It reacts with $H_{2} S O_{4}$ to form the electrophile $N O_{2}^{+}$ ion.

$H N O_{3} + 2 H_{2} S O_{4} ⇌ 2 [H S O_{4}]^{-} + H_{3} O^{+} + N O_{2}^{+}$

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Similar questions

H N O_{3}

H_{2} S O_{4}

H N O_{3}

H_{2} S O_{4}

H N O_{3}

In the nitration of benzene using a mixture of conc. H₂SO₄ and conc. HNO₃ the Species which initiates the reaction is_______________

In the nitration of benzene with a mixture of conc $H N O_{3}$ and conc $H_{2} S O_{4}$ , the active species involved are

H N O_{3}

H_{2} S O_{4}

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