A. nitration
B. halogenation
C. sulphonation
D. amination
¨ The introduction of a nitro group (-NO2) into a molecule is called nitration. Nitration is a type of electrophilic aromatic substitution reaction in which a nitronium ion (NO2+) is the electrophile that attacks an aromatic ring.
¨ Nitration is commonly carried out using a mixture of concentrated nitric acid (HNO3) and concentrated sulfuric acid (H2SO4), which generates the nitronium ion. The nitronium ion then attacks the aromatic ring, forming a nitroarene (an aromatic compound with a nitro group).
Submitted by :- Jamil Ahmed