Question:
Which of the following is an electrolyte in dry cell ?
Which of the following is an electrolyte in dry cell ?
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The Leclanche dry cell uses a moist paste of NH4Cl and ZnCl2.
Updated On: Oct 1, 2026
- Potassium hydroxide
- Sulphuric acid
- Ammonium chloride and zinc chloride
- Manganese dioxide
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
A dry cell (Leclanche cell) has a zinc container as the anode and a graphite rod surrounded by manganese dioxide as the cathode. The electrolyte is the medium between them that carries ions.
Step 2: Detailed Explanation
The electrolyte is a moist paste of ammonium chloride (\(\text{NH}_4\text{Cl}\)) and zinc chloride (\(\text{ZnCl}_2\)).
(A) Potassium hydroxide is the electrolyte of the alkaline cell and mercury cell, not the ordinary dry cell. (B) Sulphuric acid is used in the lead storage battery. (D) Manganese dioxide is a depolariser that mixes with carbon at the cathode, so it is not the electrolyte.
Final Answer:
The electrolyte is ammonium chloride with zinc chloride, option (C). \[ \boxed{\text{NH}_4\text{Cl} + \text{ZnCl}_2} \]
A dry cell (Leclanche cell) has a zinc container as the anode and a graphite rod surrounded by manganese dioxide as the cathode. The electrolyte is the medium between them that carries ions.
Step 2: Detailed Explanation
The electrolyte is a moist paste of ammonium chloride (\(\text{NH}_4\text{Cl}\)) and zinc chloride (\(\text{ZnCl}_2\)).
(A) Potassium hydroxide is the electrolyte of the alkaline cell and mercury cell, not the ordinary dry cell. (B) Sulphuric acid is used in the lead storage battery. (D) Manganese dioxide is a depolariser that mixes with carbon at the cathode, so it is not the electrolyte.
Final Answer:
The electrolyte is ammonium chloride with zinc chloride, option (C). \[ \boxed{\text{NH}_4\text{Cl} + \text{ZnCl}_2} \]
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