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State Kohlrausch's Law for the independe...

State Kohlrausch's Law for the independent migration of ions. Mention the applications of the Law.

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It states that at infinite dilution, molar conductivity of an electrolyte is equal to sum of contributions due to cation as well as anion.
`Lambda_(m(Na_(2)SO_(4)))^(oo)=2Lambda_(m(Na^(+)))^(@)+Lambda_(m(SO_(4)^(2-)))^(oo)`
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Knowledge Check

  • Kohlrausch law of independent migration of ions applicable for __________.

    A
    high concentrated electrolyte solution
    B
    1M electrolyte solution
    C
    electrolyte at zero concentration
    D
    electrolyte at any concentration

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    Kohlrausch Law Of Independent Migration Of Ions|Questions|Summary

    State Kohlrausch law of independent migration of ions. Write an expression for the molar conductivity of acetic acid at infinite dilution according to Kohlrausch law. {:((b),"Calculate",:,wedge^(@)m" for acetic acid."),(,"Given that",:,wedge^(@)m(HCl)=426 " S " "cm"^(2)mol^(-1)),(,,,wedge^(@) m(NaCl)=126 " S " cm^(2) mol^(-1)),(,,,wedge^(@) m(CH_(3)COONa)=91 " S " cm^(2)mol^(-1)):}

    (a) State Kohlrausch law of independent migration of ions. Write an expression for the molar conductivity of acetic acid at infinite dilution according to Kohlrausch law. (b) Calculate Lambda_(m)^(@) , for acetic acid. Given that Lambda_(m)^(@) (HCl) = 426 S cm^(2) mol^(-1) Lambda_(m)^(@) (NaCl) = 126 S cm^(2) mol^(-1) Lambda_(m)^(@) (CH_(3)COONa) = 91 S cm^(2) mol^(-1)

    State three applications of Henry’s law.

    State Kohlrausch law of independent migration of ions. Why does the conductivity of a solution decrease with dilution ?

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