Which Process Could Not Be an Electrolytic Reaction

Multiple Choice

Which process could not be an electrolytic reaction?

A) 2 H₂O(l) 2 H₂(g) + O₂(g)
B) 2 Al₂O₃(l) 4 Al(l) + 3 O₂(g)
C) Na⁺(aq) + Cl^-(aq) 2 Na(l) + Cl₂(g)
D) 2 Fe(s) + 3 O₂(g) Fe₂O₃(s)
E) 2 PbSO₄(s) + 4 H₂O(l) Pb(s) + PbO₂(s) + 2 H₂SO₄(aq)