Define limiting molar conductivity. Why does conductivity of an electrolyte decrease with discrease in concentration.

Explanation

The molar conductivity of a solution at infinite dilution, i.e., when concentration approaches zero is called limiting molar conductivity. With decrease in concentration, i.e., with dilution, number of ions per `cm^(3)` decreases due to large increase in volume of the solution. as conductivity is the conductance per `cm^(3)` of the solution, hence it decreases.