The reaction occurring at the cathode of hydrogen-oxygen fuel cell is
A. 2H2 + 4OH– → 4H2O + 4e–
B. 2H2 + O2 → 2H2O (l )
C. H+ + OH– → H2O
D. O2 + 2H2O + 4e– → 4OH–
Answer:D
The reaction occurring at the cathode of hydrogen-oxygen fuel cell is
A. 2H2 + 4OH– → 4H2O + 4e– B. 2H2 + O2 → 2H2O (l ) C. H+ + OH– → H2O D. O2 + 2H2O + 4e– → 4OH–