Assertion : Conductivity of a strong electrolyte decreases with dilution whereas its molar conductivity increases.
Reason : On dilution, number of ions per ml decreases but the total number of free ions increases considerably.

Question

Assertion : Conductivity of a strong electrolyte decreases with dilution whereas its molar conductivity increases.

Reason : On dilution, number of ions per ml decreases but the total number of free ions increases considerably.

TestHub · Accepted Answer

Conductivity (specific conductance) decreases with dilution because the number of ions per unit volume decreases. Molar conductivity ( $Λ_{m}$ ) increases with dilution because the total number of ions increases and interionic attraction decreases, increasing ionic mobility.

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