If the resistivity of a $0.8 \ M \ KCl$ solution is $2.5 \times 10^{-3} \ \Omega \ cm$,calculate the molar conductivity of the solution.
- A$3 \times 10^{5} \ \Omega^{-1} \ cm^{2} \ mol^{-1}$
- B$2 \times 10^{5} \ \Omega^{-1} \ cm^{2} \ mol^{-1}$
- C$4 \times 10^{5} \ \Omega^{-1} \ cm^{2} \ mol^{-1}$
- D$5 \times 10^{5} \ \Omega^{-1} \ cm^{2} \ mol^{-1}$
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Similar Questions
The conductivity of sodium chloride at $298 \ K$ has been determined at different concentrations and the results are given below:
Concentration $/ M$ $0.001$ $0.010$ $0.020$ $0.050$ $0.100$ ${10^2} \times \kappa / S \, m^{-1}$ $1.237$ $11.85$ $23.15$ $55.53$ $106.74$
Calculate ${\Lambda _m}$ for all concentrations and draw a plot between ${\Lambda _m}$ and $c^{1/2}$. Find the value of $\Lambda _m^o$.
| Concentration $/ M$ | $0.001$ | $0.010$ | $0.020$ | $0.050$ | $0.100$ |
| ${10^2} \times \kappa / S \, m^{-1}$ | $1.237$ | $11.85$ | $23.15$ | $55.53$ | $106.74$ |
Calculate ${\Lambda _m}$ for all concentrations and draw a plot between ${\Lambda _m}$ and $c^{1/2}$. Find the value of $\Lambda _m^o$.
Difficult
View SolutionThe specific conductance of a $0.01 \, M \, KCl$ solution at $25 \, ^{\circ}C$ is $0.0014 \, \Omega^{-1} \, cm^{-1}$. Its equivalent conductance is ..... (in $\Omega^{-1} \, cm^{2} \, eq^{-1}$).
Easy
View SolutionWhich of the following is the correct relationship between molar conductivity $(\Lambda_m)$,conductivity $(k)$,and molarity $(M)$ of a solution for an electrolyte?
Write a note on Kohlrausch law of independent migration of ions and limiting molar conductivity $\Lambda_{m}^{o}$ of strong electrolyte.
Difficult
View SolutionKohlrausch's law states that at
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