Which of the following species is not aromatic? | Chemistry | SolveeIt | Solveeit

Today, October 3

Question

Which of the following species is not aromatic?

A

Benzene

B

Cyclooctatetraenyl dianion

C

Tropylium ion

D

Cyclopentadienyl cation

Answer

Cyclopentadienyl cation

Explanation

Solution

On applying the H??kel rule, [(4n + 2) $\pi$ electron] system,