Q. 895.0( 1 Vote )

Note : In the fol A. Assertion and reason both are correct and reason is correct explanation of assertion.

B. Assertion and reason both are wrong statements.

C. Assertion is correct but reason is wrong statement.

D. Assertion is wrong but reason is correct statement.

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

Assertion : Presence of a nitro group at ortho or para position increases the reactivity of haloarenes towards nucleophilic substitution.

Reason : Nitro group, being an electron withdrawing group decreases the electron density over the benzene ring.

Answer :

Nitro Group present on ortho and para position of haloarenes act as an electron-withdrawing group and thus there are the deficiency of electrons makes it more reactive towards nucleophilic substitution reaction.

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