In a Cu-Zn electrochemical cell: | vedclass

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(A) In a $Cu-Zn$ electrochemical cell (Daniell cell),the $Zn$ electrode acts as the anode and the $Cu$ electrode acts as the cathode.At the anode,oxid

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Reduction occurs at the copper cathode

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(A) In a $Cu-Zn$ electrochemical cell (Daniell cell),the $Zn$ electrode acts as the anode and the $Cu$ electrode acts as the cathode.At the anode,oxidation occurs: $Zn(s) \rightarrow Zn^{2+}(aq) + 2e^-$.At the cathode,reduction occurs: $Cu^{2+}(aq) + 2e^- \rightarrow Cu(s)$.Since the standard reduction potential of $Cu^{2+}/Cu$ $(+0.34 \ V)$ is higher than that of $Zn^{2+}/Zn$ $(-0.76 \ V)$,$Cu$ acts as the cathode where reduction takes place.

In a $Cu-Zn$ electrochemical cell:

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