Pyridinium
Chemical compound
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Pyridinium refers to the cation [C₅H₅NH]⁺. It is the conjugate acid of pyridine. Many related cations are known involving substituted pyridines, e.g. picolines, lutidines, collidines. They are prepared by treating pyridine with acids. Wikipedia
Molar mass: 80.110 g·mol−1
Chemical formula: +
3D model (JSmol): Interactive image
Acidity (pKa): ~5
Conjugate base: Pyridine