On reaction with acid, 4-pyrone is protonated on the carbonyl-group oxygen to give a stable cationic product.
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On reaction with acid, 4-pyrone is protonated on the carbonyl-group oxygen to give a stable cationic product. Using resonance structures and the Hückel 4n + 2 rule, explain why the protonated product is sostable.
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:0: :0: H* 4-Pyrone :o: :o:
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