Which of the following is a primary arylamine in which an amino functional group is substituted for one of the benzene hydrogens?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Aniline.
The primary arylamine where an amino functional group substitutes one of the benzene hydrogens is Aniline. Aniline consists of a benzene ring with one amino group (-NH₂) attached, making it a key example of an arylamine. Quinoline and pyridine are heterocyclic compounds with nitrogen in the ring, while toluidine is a derivative of aniline with a methyl group added to the benzene ring.