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Which of the following is correct?

$\begin{array}{1 1}\text{Conductivity of a solution decreases with dilution,whereas molar conductivity increases with dilution}\\\text{Conductivity of a solution increases with dilution,whereas molar conductivity decreases with dilution}\\\text{Both conductivity and molar conductivity decrease with dilution}\\\text{Both conductivity and molar conductivity decrease with dilution}\end{array} $

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Answer : Conductivity of a solution decreases with dilution,whereas molar conductivity increases with dilution
Conductivity of a solution decreases with dilution due to decrease in concentration of the electrolyte.On the other hand,molar conductivity increases due to (i) the more dissociation of a weak electrolyt,and (ii) decrease the interactions between ions of a strong electrolyte.
answered Jul 18, 2014 by sreemathi.v
 

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