Q24 of 50 Page 1

State the relationship amongst cell constant of a cell, resistance of the solution in the cell and conductivity of the solution. How is molar conductivity of a solution related to conductivity of its solution?

The conductivity of the solution in a cell is the reciprocal of its resistivity.

k = 1/R × [L / A]


Where:


L=distance between the two electrodes


A = Ares of the cross section


R = Resistance


Also, conductivity,


Molar conductivity = kV


On diluting the electrolyte, the conductivity decreases and the volume of the solution increases and this, in turn, increases the molar conductivity.


We know that the basic relation that exists,



Conductivity of the cell is given by as follows:


k [Conductivity] = G [Conductance] × Cell Constant



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