Question

State Kohlarousch’s law. How can it be used to calculate the dissociation constant of weak electrolytes?

Answer 1

Answer:

An equation that describes the molar conductivities of strong electrolytes at low concentration, i.e. Λm=Λ0m – Κc½, where Λm is the molar conductivity, Λ0m is the limiting molar conductivity (the molar conductivity in the limit of zero concentration when the ions do not interact with each other), Κ is a coefficient.

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Answer 2

Answer:

It is used to calculate degree of dissociation of weak electrolyte at a particular concentration. where Λm is molar conductivity of weak electrolyte at a particular concentration and Λemis molar conductivity of weak electrolyte at infinite dilution. 2Fe2+ (aq) + I2(s) has E0cell = 0.236 V at 298 K.