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Chemistry LibreTexts

Oxonium Ion

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An oxonium ion is a species containing an oxygen atom that has an octet of valence electrons, but bears a formal charge of +1. E.g.,

oxoniumion1.png

Some oxonium ions are resonance stabilized, in which case not all resonance forms of the species fit the above definition, e.g.:

oxoniumion2.png

Alternatively, the above species is a hybrid of an oxonium ion and a carbocation.


This page titled Oxonium Ion is shared under a All Rights Reserved (used with permission) license and was authored, remixed, and/or curated by Gamini Gunawardena via source content that was edited to the style and standards of the LibreTexts platform.

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