Autoprotolysis
From Infogalactic: the planetary knowledge core
In autoprotolysis a proton is transferred between two identical molecules, one of which acts as a Brønsted acid, releasing a proton which is accepted by the other molecule acting as a Brønsted base.[1] For example, water undergoes autoprotolysis in the self-ionization of water reaction.
- 2H
2O ⇌ OH−
+ H
3O+
Any solvent that contains both acidic hydrogen and lone pairs of electrons to accept H+ can undergo autoprotolysis.
For example, ammonia in its purest form may undergo autoprotolysis:
- 2NH
3 ⇌ NH−
2 + NH+
4
References
- ↑ IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "autoprotolysis".
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