Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Read the assertion and reason carefully to mark the correct option out of the options given –Assertion `p–O_2N–C_6H_5COCH_3` is prepared by Friedel Crafts acylation of nitrobenzene.Reason Nitrobenzene easily undergoes electrophilic substitution reaction. - Sarthaks eConnect
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Practice Online Test Series for JEE Main 2018 & NEET 2018

Read the assertion and reason carefully to mark the correct option out of the options given :–

Assertion : `p–O_2N–C_6H_5COCH_3` is prepared by Friedel Crafts acylation of nitrobenzene.

Reason : Nitrobenzene easily undergoes electrophilic substitution reaction.

A.

If both assertion and reason are true and the reason is the correct explanaton of the assertion.

B.

If both assertion and reason are true and the reason is not the correct explanaton of the assertion.

C.

If assertion is true but reason is false.

D.

If both assertion and reason are false

Solution

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Best answer

The nitro group strongly deactivates the benzene rign towards electrophilic substitution. Nitrobenzene does not undergo Friedel-Craft acylation reaction.