identify the type of cell given in the figure
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dry cell is the diagram there in the picture plz mark me as brainlist
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It is a diagram of a Zinc-Carbon Cell/Leclanche cell (Primary cell, a type of dry cell).
Explanation:
- It is one type of electric battery, developed in 1866 by Georges Leclanche. It consists of electrochemical cells (one or more than one) that converts chemical energy into electrical energy. It is used for portable and home-used electronic devices. It is used in calculators, wristwatches, etc. It is an electrochemical cell consisting of an immobilized electrolyte (low moisture and in the paste form). The paste form restricts it from flowing and is hence easily transportable. This electrolyte coves the metal electrode or graphite rod in the cell. The carbon rod acts as a cathode (a positive electrode), and zinc is the metal container and acts as an anode (a negative electrode). The maximum voltage of 1.5 V is produced by the surrounded manganese dioxide and an ammonium chloride paste (low moisture electrolyte).
- The advantages of using dry cells are safe during transportation, small, lightweight, and used in simple electronic devices.
- The working principle of this zinc-carbon cell is covered in two steps -
Step 1 - Reduction within the moisturized electrolyte.
2NH₄+ + 2MnO₂ →Mn₂O₃ + 2NH₃ + H₂O
Step 2 - The zinc container undergoes an oxidation reaction.
Zn → Zn₂+ + 2e-
ZNCl₂ + 2NH₃ → Zn(NH₃)₂Cl₂
2MnO₂ + H₂ → Mn₂O₃ + H₂O
- The overall reaction occurs in the cell is -
Zn + 2MnO₂ + 2NH₄Cl → Mn₂O₃ + Zn(NH₃)₂Cl₂ + H₂O
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