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In a Fuel Cell Using Oxygen as the Oxidizer and Hydrogen

Question 31

Multiple Choice

In a fuel cell using oxygen as the oxidizer and hydrogen as the fuel, what is the overall cell reaction?


A) H2O →\to H2 + O2
B) 2 H2 + O2 →\to 2 H2O
C) H2O + 4 e- →\to 2 H2 + 4 OH-
D) O2 + 4 H+ + 4 e- →\to 2 H2O

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