Which reaction occurs at the cathode during the electrolysis of an aqueous solution of KCl? — Electrochemistry Chemistry Question
Question
Which reaction occurs at the cathode during the electrolysis of an aqueous solution of KCl?
A.
K+(aq) + e- → K(s)
B.✓ Correct
2 H2O(l) + 2e- → H2(g) + 2OH-(aq)
C.
2Cl-(aq) → Cl2(g) + 2e-
D.
2H2O(l) → O2(g) + 4H+(aq) + 4e-
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