Unlike dry cell the mercury cell has constant cell potential throughout its useful life
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Hey !!
Ions are not involved in the overall cell reaction of mercury cells.
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The mercury cell has constant cell potential throughout its life unlike the dry cell because it does not include ions.
EXPLANATION:
- Generally in a dry cell, cell potential is maintained by continuous movement of ions which after a period of time is used up completely and hence, cell potential is not maintained and dry cell stops working.
- But, this does not happen in case of a mercury cell because it does not involves the movement of ions.
- The mercury cells only involve movement of electrons which is not even used up in this process and can be used over and over again. That's why the mercury cell has continued cell potential throughout its life.
To learn more about Ions:
When hydrochloric acid is added to water hydronium ions concentration increases why explain​
https://brainly.in/question/8350087
Which ions are generated by bases in water ?
https://brainly.in/question/426147
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