Question
What is Huckel's rule of aromaticity?
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Answer
According to Huckel if in any ring $(4 n+2) \pi$ electrons are present, compound possess aromatic property. Here n is integer whose value is $0,1,2,3 \ldots$. etc. Hence in ring $2 \pi, 6 \pi, 10 \pi$ and $14 \pi$ electrons can be present.
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