A reaction in an electrolytic cell is as follows:
2NaCl(aq) + 2H₂O (1)→ Cl₂ (g) + H₂ (g) + 2NaOH(aq).
Which reaction occurs at the cathode?
O Cl₂ (g) + 2e → 2Cl(aq)
O 2H₂O (1) + 2e → H₂ (g) + 2OH(aq)
O H₂(g) + 2OH(aq) → 2H₂O (1) + 2e¯
O 2C1 (aq) → Cl2 (g) + 2e7
