Question:
Which of the following is used as anode in mercury cell?
Which of the following is used as anode in mercury cell?
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Mercury cells use zinc-mercury amalgam at the anode to improve the longevity and performance of the cell.
Updated On: Apr 7, 2026
- Paste of \( {NH}_4{Cl} \) and \( {ZnCl}_2 \)
- Manganese dioxide and carbon
- Paste of \( {HgO} \) and carbon
- Paste of KOH and ZnO
- Zinc-Mercury amalgam
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The Correct Option is
Solution and Explanation
In the mercury cell, the anode is composed of zinc-mercury amalgam. This amalgam serves as the source of zinc ions, which participate in the electrochemical reaction at the anode, while the cathode contains a paste of mercury and mercuric oxide.
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