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MHT CET202121 Sep 2021Morning ShiftChemistryElectrochemistryActual

Which among the following statements is true for conductivity?

Options

  1. AIt is inversely proportional to resistivity.
  2. BIt is inversely proportional to molar conductivity.
  3. CIt is directly proportional to resistivity.
  4. DIt is directly proportional to resistance.

Correct answer

A. It is inversely proportional to resistivity.

Step-by-step solution

Specific conductance/ Conductivity (k): - It is defined as the reciprocal of specific resistance, or resistivity, k = 1 aligned & R = A & 1 = 1 R A & k = G G ^* aligned Specific conductance = Conductance Cell constant Hence specific conductivity of a solution is defined as the conductance offered by 1 ~cm ^3 of electrolytic solution. Unit of k is ohm ⁻¹ ~cm ⁻¹

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