Cations

Lyonium ion

In chemistry, a lyonium ion is the cation derived by the protonation of a solvent molecule. For example, a hydronium ion is formed by the protonation of water, and CH3OH+2 is the cation formed by the protonation of methanol. Its counterpart is a lyate ion, the anion formed by the deprotonation of a solvent molecule. Lyonium and lyate ions, resulting from molecular autoionization, contribute to the molar conductivity of protolytic solvents. (Wikipedia).

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Related pages

Lyate ion | Onium ion