What is the conductivity of $0.02 \text{ M}$ $AgNO_3$ solution having cell constant $1.2 \text{ cm}^{-1}$ and resistance $95.0 \text{ }\Omega$?
- A$1.26 \times 10^{-2} \text{ }\Omega^{-1} \text{ cm}^{-1}$
- B$2.63 \times 10^{-2} \text{ }\Omega^{-1} \text{ cm}^{-1}$
- C$3.40 \times 10^{-2} \text{ }\Omega^{-1} \text{ cm}^{-1}$
- D$4.63 \times 10^{-2} \text{ }\Omega^{-1} \text{ cm}^{-1}$
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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 $\Lambda _m^o$.
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View SolutionThe resistance of a conductivity cell filled with $0.1 \ M$ $KCl$ solution is $100 \ \Omega$. If the resistance of the same cell when filled with $0.02 \ M$ $KCl$ solution is $520 \ \Omega$,the molar conductivity of $0.02 \ M$ solution (in $S \ cm^2 \ mol^{-1}$) is (Given: conductivity of $0.1 \ M$ $KCl$ solution $= 1.29 \ S \ m^{-1}$)
Which of the following is the correct relationship between molar conductivity $(\Lambda_m)$,conductivity $(k)$,and molarity $(M)$ of a solution for an electrolyte?
The molar conductivities $(\lambda_{m}^0)$ at infinite dilution of $KBr$,$HBr$,and $KNH_2$ are $120.5$,$420.6$,and $90.48 \ S \ cm^2 \ mol^{-1}$ respectively. Find the value of $\lambda_{m}^0$ for $NH_3$.
Which of the following expressions for conductivity of a solution of an electrolyte is $NOT$ correct?
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