What is the resistance of $0.01 \ M \ KCl$ solution if its conductivity is $200 \ \Omega^{-1} \ cm^{-1}$ and cell constant is $1 \ cm^{-1}$?

  • A
    $1 \times 10^{-3} \ \Omega$
  • B
    $5 \times 10^{-3} \ \Omega$
  • C
    $4 \times 10^{-3} \ \Omega$
  • D
    $2 \times 10^{-3} \ \Omega$

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Which one of the following solutions will have the highest conductivity?

Given below are two statements :
Statement $I :$ The limiting molar conductivity of $KCl$ (strong electrolyte) is higher compared to that of $CH_{3}COOH$ (weak electrolyte).
Statement $II :$ Molar conductivity decreases with decrease in concentration of electrolyte.
In the light of the above statements,choose the most appropriate answer from the options given below:

The specific conductance of $0.05 \ M$ $NaOH$ solution is $0.0115 \ S \ cm^{-1}$. What is its molar conductance $(\Lambda_{m})$ in $S \ cm^2 \ mol^{-1}$?

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Concentration $/ M$ $0.001$ $0.010$ $0.020$ $0.050$ $0.100$
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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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