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(A) In the nitration of benzene,the nitrating mixture consists of concentrated $HNO_3$ and concentrated $H_2SO_4$. $H_2SO_4$ acts as a strong acid and

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Base

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(A) In the nitration of benzene,the nitrating mixture consists of concentrated $HNO_3$ and concentrated $H_2SO_4$. $H_2SO_4$ acts as a strong acid and protonates $HNO_3$. The reaction is: $HNO_3 + H_2SO_4 \rightleftharpoons H_2NO_3^+ + HSO_4^- \rightleftharpoons NO_2^+ + H_2O + HSO_4^-$. Here,$HNO_3$ accepts a proton from $H_2SO_4$,therefore $HNO_3$ acts as a base.

In the nitration of benzene using a mixture of concentrated $HNO_3$ and concentrated $H_2SO_4$,how does nitric acid behave in the nitrating mixture?

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