Q. Which of the following species is aromatic?
A) [image:13_image150.emf]
B) [image:13_image151.emf]
C) [image:13_image152.emf]
D) [image:13_image153.emf]
Explanation
(b)
A compound is said to be aromatic if it meets of the following criteria.
The rings of the compound should be planer.
The cyclic system must contain $(4\pi + 2)\pi$-electrons.
Only option (b) contains $6\pi$-electron, so it is aromatic.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.