deprotonation
Sign in to saveAlso known as dehydronation, acid dissociation
thumb|300x300px|Deprotonation of acetic acid by a hydroxide ion Deprotonation (or dehydronation) is the removal (transfer) of a proton (or hydron, or hydrogen cation), (H+) from a Brønsted–Lowry acid in an acid–base reaction. The species formed is the conjugate base of that acid. The complementary process, when a proton is added (transferred) to a Brønsted–Lowry base, is protonation (or hydronation). The species formed is the conjugate acid of that base.
Wikidata facts
- Subclass of
- dissociation
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- opposite of
- protonation
- facet of
- Brønsted–Lowry acid–base theory
- product or material produced
- conjugate base
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thumb|300x300px|Deprotonation of acetic acid by a hydroxide ion Deprotonation (or dehydronation) is the removal (transfer) of a proton (or hydron, or hydrogen cation), (H+) from a Brønsted–Lowry acid in an acid–base reaction. The species formed is the conjugate base of that acid. The complementary process, when a proton is added (transferred) to a Brønsted–Lowry base, is protonation (or hydronation). The species formed is the conjugate acid of that base.
A species that can either accept or donate a proton is referred to as amphiprotic. An example is the H2O (water) molecule, which can gain a proton to form the hydronium ion, H3O+, or lose a proton, leaving the hydroxide ion, OH−.
Excerpted from Wikipedia’s “deprotonation” article, available under the CC BY-SA 4.0 licence.