JAMB - Physics (2025 - No. 79)
What is the electrolyte used in wet Leclanche cell
Nickle hydroxide
Lead dioxide
Ammonium chloride
Carbon
Explanation
C. Ammonium chloride.
It is the electrolyte in the wet Leclanché cell (aqueous solution).Others:
Nickel hydroxide: In Ni-Cd/Ni-MH batteries.
Lead dioxide: Cathode in lead-acid batteries.
Carbon: Conductivity enhancer, not electrolyte.