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13 cards from this deck
Water produces H+H^+H+ & OH−OH^-OH− ions that can react at electrodes
H+H^+H+ and OH−OH^-OH−
Less reactive ion
Ion oxidised more easily
Cu2+Cu^{2+}Cu2+ and H+H^+H+
Cu2+Cu^{2+}Cu2+ (Cu less reactive than H)
Cu2++2e−→CuCu^{2+} + 2e^- \rightarrow CuCu2++2e−→Cu
Solid copper deposits
When no halide ions present
4OH−→2H2O+O2+4e−4OH^- \rightarrow 2H_2O + O_2 + 4e^-4OH−→2H2O+O2+4e−
Oxygen
H+H^+H+ reduced instead
Halide ions like Cl−Cl^-Cl−
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