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Explain Effect of dilution on molar con...

Explain Effect of dilution on molar conductivity .

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Explain the variation of molar conductivity with concentration for strong and weak electrolytes.

What is the effect of dilution on the molar and equivalent conductance of an electrolyte ?

Knowledge Check

  • What will be the molar conductivity of Al 3+ ions at infinite dilution if molar conductivity of Al^(2) (SO_(4))_(3) is 858 S cm^(2) "mol" ^(-1) and ionic conductance of SO_(4)^(2-) is 160 S cm^(2) "mol" ^(-1) at infinite dilution ?

    A
    `189 S cm^(2) "mol"^(-1)`
    B
    `698 S cm^(2) "mol"^(-1)`
    C
    `1018 S cm^(2) "mol"^(-1)`
    D
    `429 S cm^(2) "mol"^(-1)`

  • Assertion:Kohlrausch law helps to find the molar conductivity of weak electrolyte at infinite dilution. Reason:Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimentally.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion .
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion .
    C
    If assertion is true but reason is false .
    D
    If both assertion and reason are false .

  • Calculate the molar conductivity of acetic acid at infinite dilution. Given that molar conductivity of HCl. CH_(3)COONa and NaCl is 426.1,91.0 and 126.5 ohm^(-1)cm^(2)"mol"^(-1) respectively.

    A
    `390.6ohm^(-1)cm^(2)"mol"^(-1)`
    B
    `195.3ohm^(-1)cm^(2)"mol"^(-1)`
    C
    `585.9ohm^(-1)cm^(2)"mol"^(-1)`
    D
    `292.95ohm^(-1)cm^(2)"mol"^(-1)`

    • Similar Questions

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    Effect Of Dilution On Conductance

    What is the effect of decreasing concentration on the molar conductivity of weak electrolyte ?

    What is effect of increasing concentration on the molar conductivity of a weak electrolyte ?

    Assertion: According to Kahlrausch law, the molar conductivity fo a strong electrolyte at infinite dilution is sum of molar conductivities of its ions.

    Calculate molar conductivity at infinite dilution of CH_3COOH if molar conductivity at infinite dilution of CH_3COONa, HCI and MaCI are 91.6, 425.0 and 128.1 S cm^2 "mol"^(-1) .

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