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A copper voltmeter,a silver voltmeter and a water voltmeter are connected in series and current is passed for sometime.the ratio of number of moles of copper,silver,and hydrogen formed at cathode?

A copper voltmeter,a silver voltmeter and a water voltmeter are connected in series and current is passed for sometime.the ratio of number of moles of copper,silver,and hydrogen formed at cathode?

Grade:12th pass

1 Answers

Adarsh
768 Points
6 years ago
Dear Rishi ,
The ratio of moles of copper,silver and hydrogen formed at cathode will be 1:2:1 ..
Their reaction at cathode will be :-
1  Cu2+  +   2e-   →  Cu
2  Ag+    +    e-   → Ag
3  2H+   +    2e-  →  H2
Thanks and Reagrds
Adarsh

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