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Questions  >>  CBSE XII  >>  Chemistry  >>  Electrochemistry
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Which of the following does not occur at cathode ?

$\begin{array}{1 1} Ag^+ \to Ag-e^{-} \\ Fe^{2+} \to Fe^{3+} +e^{-} \\ Cu^{2+} +2e^{-} \to Cu \\ 2H^{+} \to H_2- 2e^{-} \end{array} $

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