Which of the following statements is true for | vedclass

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(B) The standard reduction potential of $Cu^{2+}/Cu$ is $+0.34 \ V$,while for $H^+/H_2$ it is $0.00 \ V$. Since the reduction potential of $H_2$ is lo

Vedclass · Accepted Answer

$H_2$ is anode and $Cu$ is cathode

Vedclass · Answer

(B) The standard reduction potential of $Cu^{2+}/Cu$ is $+0.34 \ V$,while for $H^+/H_2$ it is $0.00 \ V$. Since the reduction potential of $H_2$ is lower than that of $Cu$,$H_2$ acts as the anode (where oxidation occurs) and $Cu$ acts as the cathode (where reduction occurs). Therefore,the correct statement is that $H_2$ is the anode and $Cu$ is the cathode.

Which of the following statements is true for a standard electrochemical cell consisting of $H_2$ and $Cu$ electrodes?

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