Notes

Concentration cell is a …

Concentration cell is a derives its electromotive force from the difference in concentration of the solutions of the same electrolyte surrounding the two electrolytes, e.g., a cell made up silver electrodes dipped in the solution of Ag+ ions of different concentrations Ag+ ions of different concentraions.
Ag/Ag+(C1)⎹ Ag+(C2)⎹ Ag.