Which of the following is anti-aromatic in nature?

Question

Aicharya · Accepted Answer

$(\mathrm{A}) \Rightarrow$ Non-aromatic (B) $\Rightarrow$ anti-aromatic ( $4 \pi \bar{e}^{\prime} s$ conjugation) $(\mathrm{C}) \Rightarrow$ non-aromatic ( $4 \pi \overrightarrow{\mathrm{e}}$ 's not in resonance) (D) $\Rightarrow[10]$-Annulene, non-aromatic. So, (B) is anti-aromatic. *

Which of the following is anti-aromatic in nature?

Solution