A) \[Cu+2{{e}^{-}}\to C{{u}^{2-}}\]
B) \[Cu-2{{e}^{-}}\to C{{u}^{2+}}\]
C) \[A{{g}^{+}}+{{e}^{-}}\to Ag\]
D) \[Ag-{{e}^{-}}\to A{{g}^{+}}\]
Correct Answer: C
Solution :
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