Which of the following statements regarding the dilution of an electrolytic solution is correct?

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Both conductivity and molar conductivity increase

Both conductivity and molar conductivity decrease

Conductivity decreases and molar conductivity increases

Conductivity increases and molar conductivity decreases

answer is C.

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Detailed Solution

Statement C regarding the dilution of an electrolytic solution is correct

Conductivity decreases and molar conductivity increases

Since there are more ions in a diluted solution and thus have more room to move, the mobility of the ions also increases, increasing the molar conductivity of the solution as they are further apart from one another. Consequently, as a solution is diluted, conductivity drops and molar conductivity rises.

Hence option C is correct

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