In a fuel cell that uses gaseous hydrogen and oxygen as reactants, which one of the following reactions is occurring at the anode?
A) 2H2O → 2H2 + O2
B) H2 → 2H+ + 2e−
C) 2H+ + 2e− → H2
D) O2 + 4e− → 2O2−
E) 2O2− → O2 + 4e−
Correct Answer:
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