In the nitration of benzene using a mixture of conc.

Question:

In the nitration of benzene using a mixture of conc. H2SO4

and conc. HNO3,the species which initiates the reaction is __________.

(i) NO2

(ii) NO+

(iii) NO2+

(iv) NO2–

Solution:

Option (iii)  NO2+ is the answer.

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