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Question
Give electrode reactions of hydrogen-oxygen fuel cell.
Chemical Equations/Structures
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Solution
At anode: \[\ce{[H2_{(g)} + 2OH^-_{ (aq)} -> 2H2O_{(l)} + 2e-] × 2}\]
At cathode: \[\ce{O2_{(g)} + 2H2O_{(l)} + 4e- -> 4OH^-_{ (aq)}}\]
Overall reaction: \[\ce{2H2_{(g)} + O2_{(g)} -> 2H2O_{(l)}}\]
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Chapter 2: Electrochemistry - REVIEW EXERCISES [Page 187]
