Which of the following reaction is used to make a fuel cell?
A. Cd(s) + 2Ni(OH)3(s) → CdO(s) + 2Ni (OH) + H2O(1)
B. Pb(s) + PbO2(s) + 2H2SO4(aq) → 2 PbSO4(s) + 2H2O(1)
C. 2H2(g) + O(s) + 2H2O(1)
D. 2Fe(s) + O2(g) + 4H+(ag) + 2Fe4(s) + 2H2O(1)
Answer:C
Which of the following reaction is used to make a fuel cell?
A. Cd(s) + 2Ni(OH)3(s) → CdO(s) + 2Ni (OH) + H2O(1) B. Pb(s) + PbO2(s) + 2H2SO4(aq) → 2 PbSO4(s) + 2H2O(1) C. 2H2(g) + O(s) + 2H2O(1) D. 2Fe(s) + O2(g) + 4H+(ag) + 2Fe4(s) + 2H2O(1)