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Nitration of Aromatics

nitrating mix...

Question

nitrating mixture is obtained by mixing concentrated $H N O_{3}$ and concentrated $H_{2} S O_{4}$ . The role of the latter - $H_{2} S O_{4}$ is:

To force $H N O_{3}$ to act as a base.

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To suppress dissociation of $H N O_{3}$ .

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To produce $N O_{2}^{+}$ ions.

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$H_{2} S O_{4}$ is a medium only; it is a spectator and doesn't partake in the reaction!

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Solution

The correct option is C
To produce $N O_{2}^{+}$ ions.

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

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

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Similar questions

nitrating mixture is obtained by mixing concentrated $H N O_{3}$ and concentrated $H_{2} S O_{4}$ . The role of the latter - $H_{2} S O_{4}$ is:

H N O_{3}

H_{2} S O_{4}

H N O_{3}

H N O_{3}

H_{2} S O_{4}

H_{2} S O_{4}

H N O_{3}

o -

p -

H N O_{3}

H_{2} S O_{4}

- O H

o - p -

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