Question

The two electrodes of a Lechlanche cell are made up of

• A. carbon and zinc
• B. copper and zinc
• C. carbon and copper
• D. glass and zinc

Answer 1

The correct option is A

carbon and zinc

Leclanche Cell:

1. A Leclanche cell consists of a glass vessel that is filled with ammonium chloride solution.
2. Ammonium chloride solution acts as an electrolyte.
3. In it, there stands a zinc rod and porous pot containing a carbon rod, which is packed around with a mixture of manganese dioxide and powdered carbon.
4. The carbon and zinc rods act as positive and negative electrodes respectively.

Hence, option (A) is the correct option.