In H2 – O2 fuel cell the reaction occur at cathode is ……….
A. O2(g) + 2H2O (l) + 4e– → 4OH–(aq)
B. H+(aq) + OH–(aq) → H2O (l)
C. 2H2(g) + O2(g) → 2H2O (g)
D. H+ + e– → 1/2 H2
Answer:A
In H2 – O2 fuel cell the reaction occur at cathode is ……….
A. O2(g) + 2H2O (l) + 4e– → 4OH–(aq) B. H+(aq) + OH–(aq) → H2O (l) C. 2H2(g) + O2(g) → 2H2O (g) D. H+ + e– → 1/2 H2