Problem: In a hydrogen- oxygen fuel cell ______________.A) hydrogen diffuses through the cathode.B) hydrogen and oxygen are mixed before entering the anode.C) oxygen diffuses through the anode.D) oxygen diffuses through the cathode.

FREE Expert Solution

In a hydrogen-oxygen fuel cell:

  • Cathode
    • Reduction: O2 +  4H+ + 4e-  → 2H2O
  • Anode
    • Oxidation: 2H2 → 4H+ + 4e-
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Problem Details

In a hydrogen- oxygen fuel cell ______________.


A) hydrogen diffuses through the cathode.

B) hydrogen and oxygen are mixed before entering the anode.

C) oxygen diffuses through the anode.

D) oxygen diffuses through the cathode.

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