Chemistry · Electrolysis of molten NaCl
Which half-reaction accurately represents the chemical change occurring at the cathode during the electrolysis of molten NaCl?
- 12H⁺ + 2e⁻ → H₂
- 22Cl⁻ → Cl₂ + 2e⁻
- 3Na → Na⁺ + e⁻
- 4Na⁺ + e⁻ → Na✓
Correct answer
Na⁺ + e⁻ → Na
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