The reaction that takes place at the cathode when an aqueous solution of NaCI is electrolysed using carbon electrodes is
-
2H+2(g) + 2e- → H2(g)
- Na+2(g) + e- → Na(s)
- 4OH- → 2H2O(l) + O2(g) +4e-
- 2CI- → CI2(g) + 2e-