Question

What is the correct IUPAC name of the compound which has a benzene ring substituted with amino group at one position and a bromine atom at a position para to it?

(a) 4-Aminobromobenzene

(b) 4-Bromobenylamine

(c) 4-Bromoaniline

(d) p-Bromoaniline

The question was posed to me at a job interview.

Origin of the question is Amines Nomenclature in section Amines of Chemistry – Class 12

Answer 1

The correct answer is (c) 4-Bromoaniline

The explanation is: This compound is an aromatic compound which is a bromo derivative of aniline and is named such that aniline is principle group. The position of bromine is indicated by number 4 which corresponds to the para position.