Which of the following statement is true regarding fuel cell?
i. Cathode Reaction of fuel cell O2 + 2H2O + 4e– → 4OH–
ii. Anode Reaction of fuel cell 2H2 + 4OH– → 4H2O + 4e–
iii. Water is used as an oxidizing agent.
1
Statement (i) and (ii) are true.
2
Statement (ii) and (iii) are true.
3
Statement (i) and (iii) are true.
4
All are true.