Electrochemistry

Conductance and Conduction


  • Conductance (G): The conducting power of all the ions that are present in the solution is called conductance.
  • For an electrolytic solution conductance is reciprocal of it's resistance.
    (a) G=\frac{1}{R}
    But R ∝ l (distance between electrodes)
    R\propto \frac{1}{a} (a = area of cross section of electrode)
    \therefore R=\rho\frac{l}{a} where ρ = resistivity
    \therefore G=\frac{1}{\rho\frac{l}{a}}
    (b) G=\frac{K}{G^{*}}
    K = specific conductance
    G∗ = Cell constant = l/a

View the Topic in this Video from 0:40 to 27:10

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1. Conductance (G)
G =\tt \frac{1}{R}, units ohm-1, mhos or Ω-1