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Why does the conductivity of a solution ...

Why does the conductivity of a solution decrease with dilution?

Text Solution

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Conductivity of a solution is the conductance per unit volume of the solution. On dilution, the number of ions per unit volume decreases, causing the decrease in conductivity.
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Knowledge Check

  • Molar conductivity of ionic solution depends on -

    A
    temperature
    B
    distance between electrodes
    C
    concentration of electrolytes in solution
    D
    surface area of electrodes

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

    A
    (A) and (R) both are correct statements and (R) is correct explanation for (A).
    B
    (A) and (R) both are correct statements but (R) is not correct explanation for (A).
    C
    (A) is correct statement but (R) is wrong statement.
    D
    (A) and (R) both are incorrect statements.

    • Similar Questions

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    Why is the conductivity of 0.1 (N) HCl solution greater than 0.1 (N) CH_(3)COOH solution?

    Why is the electrical conductivity of metals found to decrease with rise in temperature?

    Defind limiting molar conductivity. Why conductivity of an electrolyte solution decreases with the decrease in concentration?

    In an aqueous solution how does specific conductivity of electrolytes change with addition of water?

    At infinite dilution, molar conductivities of Ba(OH)_(2), BaCl_(2) and NH_(4)Cl solution are 523.28, 280.0 and 129.8 ohm^(-1).cm^(2).mol^(-1) respectively. Calculate the molar conductivity of NH_(4)Cl solution at infinite dilution.

    Why is the molar conductivity of a 0.01 M HCl solution greater than that of a 0.01 M CH_(3)COOH solution?

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