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#### Question

The conductivity of 0.20 M solution of KC*l* at 298 K is 0.025 S cm^{−1}. Calculate its molar conductivity.

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State Kohlrausch law of independent migration of ions.

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Define "Molar conductivity".

The conductivity of 0.20 mol L^{−1} solution of KCl is 2.48 × 10^{−2} S cm^{−1}. Calculate its molar conductivity and degree of dissociation (α). Given λ^{0} (K^{+}) = 73.5 S cm^{2} mol^{−1} and λ^{0} (C1^{−}) = 76.5 S cm^{2} mol^{−1}.

The molar conductivity of cation and anion of salt BA are 180 and 220 mhos respectively. The molar conductivity of salt BA at infinite dilution is_____________ .

(a) 90 mhos.cm^{2 }

(b) 110 mhos.cm^{2}.mol^{-1}

(c) 200 mhos.cm^{2}.mol^{-1 }

(d) 400 mhos.cm^{2}.mol^{-1}