Cyclooctatetraene (COT) possesses 8 pi-electrons. To avoid the massive destabilization of anti-aroma β Aromatic Hydrocarbons Chemistry Question
Question
Cyclooctatetraene (COT) possesses 8 pi-electrons. To avoid the massive destabilization of anti-aromaticity, how does COT structurally adapt?
Answer: B
π‘ Solution & Explanation
With 8 pi-electrons (4n), planar COT would be anti-aromatic and highly unstable. To escape this, the molecule adopts a non-planar tub conformation, destroying orbital overlap and becoming a stable, non-aromatic polyene.
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