Q. The IUPAC name of the following compound, is

A) 4-bromo-3-cynophenoal
B) 2-bromo-5-hydroxybenzonitrile
C) 2-cyano-4-hydroxybromobenzene
D) 6-bromo-3-hydroxybenzonitrile
Explanation

(b)
[image:12_image375.emf]
Cyano group has the highest priority therefore, parent name must be benzonitrile. Br occurs at 2-position, and hydroxyl at 3-position, hence the IUPAC name is 2-bromo-5-hydroxy benzonitrile.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.