MCQ
Which one is not called a anode reaction from the following
- A$C{l^ - }\, \to \,\frac{1}{2}C{l_2} + {e^ - }$
- B$Cu\, \to \,C{u^{ + 2 }} + 2{e^ - }$
- C$H{g^ + }\, \to \,H{g^{ + 2 }} + {e^ - }$
- ✓$Z{n^{2 + }} + 2{e^ - }\, \to \,Zn$

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