Question

Which one of the above compounds is not aromatic?

• A. i
• B. ii
• C. iii
• D. iv

Answer 1

Answer: (B)

ii

The compound (ii) is not aromatic as it does not contains $4n+2$ $\pi$ electrons.

It contains $4n$ or eight $\pi$ electrons ($n=2$).

It is anti-aromatic compound.

Option B is correct.