CH3Cl(aq) + OH^- (aq) ------------------> CH3OH(aq) + Cl^- (aq)
rate of forward reaction = Kf[CH3Cl][OH^-]
rate of reverse reaction = Kb[CH3OH][Cl^-]
At equilibrium rate of forward reaction and reverse reactions are equal
rate of forward reaction = rate of reverse reaction
Kf[CH3Cl][OH^-] = Kb[CH3OH][Cl^-]
kf/kb = [CH3OH][Cl^-]/[CH3Cl][OH^-]
Kc = [CH3OH][Cl^-]/[CH3Cl][OH^-] [ kc = Kf/Kb]
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