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14 cards from this deck
H+H^+H+ and OH−OH^-OH− ions
Less reactive ion is reduced
Ion that can be oxidised more easily
Cu2+Cu^{2+}Cu2+ (copper is less reactive than hydrogen)
Solid copper deposits
OH−OH^-OH− (no halide ions present)
Oxygen gas and water
H+H^+H+ (sodium is more reactive than hydrogen)
Hydrogen gas
Cl−Cl^-Cl− (chloride ions are halide ions)
Chlorine gas
Usually oxidised if present
When no halide ions present, producing oxygen gas
H+H^+H+ ions are reduced instead
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