Q. 21

Conductivity of an electrolytic solution depends on ____________.
A. nature of electrolyte.

B. concentration of electrolyte.

C. power of AC source.

D. distance between the electrodes.

Answer :

The conductivity of a substance is the inverse of resistivity and is the conductance of a substance when it is one metre long and area of cross section is one m2. Conductivity of electrolytic solutions also can be measured in a cell and even pure water has a low level of conductivity. The conductivity of electrolytic solutions depends on the nature of the electrolyte/solute added, the size of the ions produced, their solvation, the nature of the solvent and its viscosity, the concentration of the solute and the temperature. The conductivity of a substance is constant at a constant temperature and pressure. The correct options are (i) and (ii).

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