Sir, is Benzoquinone aromatic?
Asked by vivek8312 | 17th Sep, 2011, 12:00: AM
No - although it has sufficient electrons to obey the Huckel rule (4n+2) pi electrons. The two olefins in the ring are cross-conjugated through the carbonyl groups. The lack of proper conjugation precludes aromaticity. The non aromaticity is evidenced by different bond-lengths around the ring.
Answered by | 17th Sep, 2011, 11:55: PM
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