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The conductivity of an electrolytic solu...

The conductivity of an electrolytic solution decreases on dilution due to

A

decrease in number of ions per unit volume

B

increase in ionic mobility of ions

C

increase in percentage ionisation

D

increase in number of ions per unit volume

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The correct Answer is:
D
Conductivity always decreases with decrease in concentration (i.e. with dilution) of both the strong and weak electrolytes. This is due to the fact that the number of ions that carry current in a volume of solution always decreases with decrease in concentration.
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Conductivity of an electrolytic solution depends on:

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Assertion (A) Conductivity of all electrolytes decreases on dilution. Reason(R) On dilution number of ions per unit volume decreases.

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