Explain why nitration of nitrobenzene gi...

Explain why nitration of nitrobenzene gives m-dinitrobenzene and not o- and p-dinitroenzene.

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Knowledge Check

Assertion: Nitration of benzene gives mainly m-nitrobenzene. Reason: In electrophilic nitration of benzene the nucleophile is NO_(2)^(+) .

Assertion and reason both are correct statements and reason is correct explanation for assertion.

Assertion and reason both are correct statements but reason is not correct explanation for assertion.

Assertion is correct statement but reason wrong statement.

Assertion is wrong statement but reason is correct statement.

Statement-1. The reaction of conc. HNO_3 and conc. H_2SO_4 on nitrobenzene gives m- dinitrobenzene. Statement-2. The nitro group in benzene ring decreases the electron density in the benzene ring.

Statement-1 is True, Statement-2 is True , Statement-2 is a correct explanation for Statement-1

Statement-1 is True, Statement-2 is True , Statement-2 is not a correct explanation for Statement-1

Statement- 1 is True, Statement-2 is False

Statement-1 is False, Statement -2 is True

Nitration of aniline also gives m - nitroaniline along with o - nitro and p - nitroaniline , in strong acidic medium because

In electrophilic substitution reaction amino group is meta directive

Strong acid , gives nitrate anion , which attacks at m - position

In strong acidic medium aniline present as anilinium ion

In strong acidic medium , nitration of aniline is a nucleophic substitution reaction

PRADEEP-ORGANIC COMPOUNDS CONTAINING NITROGEN-IMPORTANT QUESTIONS FOR BOARD EXAMINATION

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