For a dilute solution of a strong electrolyte, which of the following facts is correct?

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The graph between log $A_{m}$ and log c is linear

The graph between $A_{m}$ and c is linear

The graph between log $A_{m}$ and c is linear

The graph between $A_{m}$ and $\sqrt{c}$ is linear

answer is C.

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Detailed Solution

For a dilute solution of a strong electrolyte, the graph between $A_{m}$ and $\sqrt{c}$ is linear

The ions are farther apart with a drop in concentration or a rise in dilution, and as a result, interionic attractions are reduced. This is due to the full dissociation of a strong electrolyte in the solution, which causes the number of ions to remain constant. Since ions move more slowly at higher concentrations due to stronger inter-ionic interactions, conductance decreases as concentrations rise. As dilution continues indefinitely, the conductance rises until it reaches a maximum limiting value.

Hence option C is correct

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