The reaction at cathode in the cells commonly used in clocks involves:

Question

Canvas Classes · Accepted Answer

Strategy:
 Identify the components and chemistry of the Leclanché (dry) cell commonly used in clocks and remote controls.

Cell Chemistry:
- Anode: Zinc container ().
- Cathode: Carbon rod surrounded by powdered .
- Reaction at Cathode:

Oxidation States:
- In , Mn is .
- In , Mn is .
There is a reduction from  to .

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