Benzene on treatment with a mixture of conc. | vedclass

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Question

(B) The nitration of benzene with a mixture of conc. $HNO_3$ and conc. $H_2SO_4$ at $50-60 \ ^oC$ yields nitrobenzene.Further nitration of nitrobenzen

Vedclass · Accepted Answer

$m-$dinitrobenzene

Vedclass · Answer

(B) The nitration of benzene with a mixture of conc. $HNO_3$ and conc. $H_2SO_4$ at $50-60 \ ^oC$ yields nitrobenzene.Further nitration of nitrobenzene at higher temperatures (around $100 \ ^oC$) leads to the formation of $m-$dinitrobenzene because the $-NO_2$ group is a deactivating and meta-directing group.Thus,the final product is $m-$dinitrobenzene.

Benzene on treatment with a mixture of conc. $HNO_3$ and conc. $H_2SO_4$ at $100 \ ^oC$ gives

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