Electrolysis of Copper(II) Chloride (CuCl₂)

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Blue ions: Copper ions (Cu²⁺)

Red ions: Chloride ions (Cl⁻)

Cathode (-): Cu²⁺ + 2e⁻ → Cu

Anode (+): 2Cl⁻ → Cl₂ + 2e⁻

Copper ions move toward the cathode and are reduced to copper metal. Chloride ions move toward the anode and form chlorine gas.