Question

Benzene reacts with concentrated HNO3 in the
presence of concentrated H2S04 to give
nitrobenzene. This reaction is an example of
Electrophilic
addition
Nucleophilic
addition
Electrophilic
substitution
Nucleophilic
substitution
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Answer 1

Answer:

The replacement of a hydrogen atom in the benzene ring by a nitro group (-NO2) is called nitration. Benzene is heated with concentrated nitric acid and sulfuric acid about 330K temperature to obtain nitrobenzene. ... Therefore benzene nitration reaction is an exothermic reaction. Heat of the reaction is -117 kJ/mol.