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Question

In the electrochemical cell $$Pt (s) | H_{2}(g),1atm|H^{+}(1M)||Cu^{2+}(1M)|Cu(s)$$, which one of the following statements is true? 



A
H2 is cathode, Cu is anode
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B
Oxidation occurs at Cu electrode
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C
Reduction occurs at H2 electrode
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D
H2 is anode, Cu is Cathode
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Solution

The correct option is D H$$_{2}$$ is anode, Cu is Cathode
At anode oxidation takes place and at cathode reduction take place
$$\therefore H_2$$ is anode and Cu is cathode

Chemistry

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