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(i) For a weak electrolyte, molar conduc...

(i) For a weak electrolyte, molar conductance in dilute solution increases sharply as its concentration in solution is decreased. Give reason.

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Upon dilution, the degree of dissociation (a) of a weak electrolyte increases. As a result, the number of ions in solution increases. Molar conductivity of the solution sharply increases. For more details, consult section 19
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The conductance of electrolyte solution increases wih temperature.

Assertion Molar conductance of an electrolyte increases with dilution Reason Ions move fast in dilute solutions.

Statement: For a weak electrolyte, the plot of molar conductivity (Lambda_(m)) against sqrt(C )(C is concentration in mol litre^(-1)) is nearly linear. Explanation: The molar conductivity at infinite dilution (Lambda_(m)) for an electrolyte can be considered equal to the sum of the limiting molar conductivities of the individual ions.

Why does the conductivity of a solution decrease with dilution ?

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