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Ravleen Kaur from DELHI PUBLIC SCHOOL, asked a question
Subject: Chemistry , asked on 10/1/11

 why direct nitration of aniline is not possible?......reply soon....

EXPERT ANSWER

shveta.dua... , Meritnation Expert added an answer, on 11/1/11
842 helpful votes in Chemistry

Dear Student,

Direct nitration of aniline is carried out with a mixture of conc. HNO3 + conc. H2SO4.

In the presence of these acids, aniline gets protonated to form anilinium ion, which is meta-directing. Hence, nitration of aniline gives meta derivative along with ortho and para.

So, nitration of aniline is carried out by first protecting amino group by acetylation.

 

Hope it is clear to you.

Cheers!

 

 

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