In a Fuel Cell That Uses Gaseous Hydrogen and Oxygen

question 19

Multiple Choice

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⁻

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