Question

In dry cell-

i. Zn donate electron

ii. MnO2 convert into Mn2O3

iii. Carbon rod conveys electron from anode to cathode

Which one is correct?

Answer 1

Answer:

The Leclanché cell is a battery invented and patented by the French scientist Georges Leclanché in 1866.[1][2][3] The battery contained a conducting solution (electrolyte) of ammonium chloride, a cathode (positive terminal) of carbon, a depolarizer of manganese dioxide (oxidizer), and an anode (negative terminal) of zinc (reductant).[4][5] The chemistry of this cell was later successfully adapted to manufacture a dry cell.

Answer 2

Answer:

The most common dry cell is the Leclanche cell. This is commonly used in torches, radios etc. It is a primary (non-rechargeable ) cell in which the major reactants are the zinc case (the anode), which is separated from the MnO2 paste by a porous partition. The cathode is a carbon (graphite) rod.

Explanation:

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