Consider the reaction given below
The major product (A) obtained in the reaction is
The reaction of tertiary arylamines with HNO2 -
Tertiary arylamines react with nitrous acid to form p - Nitroso aromatic compounds. Electrophilic aromatic substitution occurs on the benzene ring in which a Nitroso group is substituted on the Benzene ring.
The reaction is given below
Therefore, Option(3) is correct.