Chemistry - GOC Question with Solution | TestHub

ChemistryGOCAromaticityEasy2 minQB

ChemistryEasysingle choice

Part 4 : Classify the [18]annulene dianion as aromatic, anti-aromatic or non-aromatic. (assume the ring is planar)

structure

Answer:

Solution:

Eight C=C bonds (16π) + two carbanion pairs (4π) = 20π = 4n (n = 5). Anti-aromatic.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:Aromaticity

⏱ 2mℹ️ Source: QB

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