Q. 165.0( 1 Vote )

In the nitration

Answer :

at first, this step takes place because there is a requirement for stronger electrophile and for that nitric acid has to be activated for nitration of benzene.

• Sulphuric activates nitric acid and produces a strong electrophile nitronium ion NO2+, its electrophilicity tends to attack the benzene ring and electrophillic substitution takes place by producing nitrobenzene.

The other 3 species (i) NO2(ii) NO+ and (iv) NO2 cannot be formed during the activation of nitric acid.

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