Identification Chemical Properties

13968-08-6

Name hydronium ion
CAS 13968-08-6
Molecular Formula H3O

Chemical Properties

Definition An ion (H3O+) formed by the transfer of a proton (hydrogen nucleus) from one molecule of water to another; a companion ion (OH–) is also formed, the reaction is 2H2O → H3O+ + OH–. Formation of such ions is statistically rare, resulting from the interactio
pka -1.74(at 25℃)