The Oxidation of Hydrogen by Oxygen Is One of the Most-Used

question 105

Multiple Choice

The oxidation of hydrogen by oxygen is one of the most-used reactions in fuel-cell technology. The overall reaction, which is given below, has a $\Delta$ G° value of -474 kJ/mol. What is the standard cell potential for this fuel cell?
2H₂(g) + O₂(g) $\rightarrow$ 2H₂O(l)

• A) 2.46 V
• B) 4.91 V
• C) 1.23 V
• D) 3.05 V
• E) 1.50 V

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