When an aqueous solution of sodium sulfate is electrolyzed, what are the expected products? Reduction Half-Reaction

E° (V)

Na+(aq) + e¯ Na(s)
–2.71

2H2O(l) + 2e– H2(g) + 2OH–(aq)
–0.83

2H+(aq) + 2e– H2(g)
0.00

O2(g) + 4H+(aq) + 4e– 2H2O(l)
1.23

S2O82–(aq) + 2e– 2SO42–(aq)
2.01
a. H2 (g), OH^- (aq), O2 (g), and H^+ (aq)
b. O2 (g), H^+ (aq), and Na (s)
c. H2 (g), OH^- (aq), and Na (s)
d. H2 (g), OH^- (aq), and S2O8^2- (aq)
e. Na (s) and H2 (g)