Electrolyte Conductivity Quiz
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Questions and Answers

Given specific conductance $K$, resistance $R$, distance between electrodes $l$, and cross-sectional area $A$, what is the formula for specific resistance?

  • $1000K$
  • $\frac{l}{1000KA}$
  • $\frac{1}{1000K}$
  • $\frac{1}{K}$ (correct)
  • In the formula for specific conductance ($\kappa = x \cdot R$), what does 'x' represent?

  • $\frac{l}{A}$ (correct)
  • $\frac{1}{A}$
  • $\frac{1}{RA}$
  • $1$
  • What is the correct formula for calculating molar conductivity ($\Lambda_m$) given specific conductance ($K$) and concentration ($C$)?

  • $\frac{1000K}{C^2}$
  • $\frac{1000K}{C}$ (correct)
  • $\frac{K}{C}$
  • $1000\frac{KC}{C^2}$
  • Which of the following represents the cell constant?

    <p>$l/A$</p> Signup and view all the answers

    For an electrolyte, such as NaCl, where the velocities of the cation ($v_+$) and anion ($v_-$) are approximately equal, what can be said about their molar conductivities at infinite dilution?

    <p>$\lambda_+ \approx \lambda_-$</p> Signup and view all the answers

    Which of the following substances does NOT conduct electricity?

    <p>$NaCl$ (s)</p> Signup and view all the answers

    Which factor, when multiplied by the resistance of a solution, yields the cell constant?

    <p>Specific conductance</p> Signup and view all the answers

    Why does the equivalent conductance of an electrolyte solution generally increase upon dilution?

    <p>Increase in ionisation of electrolyte</p> Signup and view all the answers

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