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How does polarity increase when electron density in oxygen decreases when comparing acidity

Generally, higher electronegativity of $\ce{X}$ in $\ce{H-O-X}$ leads to higher acidity of the hydrogen atom. If the oxygen atom in a phenol molecule can take less electron density from the bond with $...
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Intermediates in aqueous bromination of phenol

In a 1922 paper, the intermediate of panel B is shown: More than a 100 years later, this looks a bit funky. A more recent paper from 1989 shows a dienone intermediate for the reaction in neutral or ...
Karsten's user avatar
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