Question

Which of the following is not aromatic?

Options

• Benzene

• Cyclopentadienylcation

• Cyclopentadienyl anion

• Cycloheptatrienylcation

Answer 1

Cyclopentadienylcation

Explanation:

Aromatic	Non-aromatic
no. of π electros = 6	no. of π electros = 4
Aromatic	Aromatic
no. of π electros = 6	no. of π electros = 6