Question

Shown below are the reactions occurring in the direct methanol fuel cell (DMFC).
I 2 CH3OH(aq) + 2 H2O(l) -> 2 CO2(g) +12 H+(aq) +12 e-
II 3 O2(g) + 12 H+(aq) + 12 e- -> 6 H2O(l)
Overall 2 CH3OH(aq) + 3 O2(g) -> 2 CO2(g) + 4 H2O(l)
Which is the anode reaction, and what is being oxidized in the overall reaction?
A) I, CH3OH
B) I, H2O
C) II, O2
D) II, H+

Answer

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