Duration: 3:52

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Which one is not called a anode reaction from the following?
(a) \( \mathrm{Cl}^{-} \rightarrow \frac{1}{2} \mathrm{Cl}_{2}+\mathrm{e}^{-} \)
(b) \( \mathrm{Cu} \rightarrow \mathrm{Cu}^{++}+2 \mathrm{e}^{-} \)
(c) \( \mathrm{Hg}^{+} \rightarrow \mathrm{Hg}^{++}+\mathrm{e}^{-} \)
(d) \( \mathrm{Zn}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Zn} \)
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