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Chemistry, 21.04.2021 23:00 20170020

What is the correct equilibrium expression for the dissociation of the base pyridine: C5H5N + H2O ⇋ C5H5NH+ + OH-

A. Kb = [C5H5NH+][OH-] / [C5H5N]
B. Kb = [C5H5N][OH-] / [C5H5NH+][H2O]
C .Kb = [C5H5NH+][OH-] / [C5H5N][H2O]
D .Kb = [C5H5NH+][C5H5N] / [OH-]
E. Kb = [C5H5N][OH-] / [C5H5NH+]

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