MCQ
Consider the following statements pertaining to fuel cells :-
$(a)$ Hydrogen oxygen fuel cell make use of concentrated $KOH$ solution as electrolyte and porous graphite impregnated with platinum as electrodes
$(b)$ The efficiency of fuel cell is less then unity due to polarisation at electrodes and the resistance offered by the electrode and the electrolyte
$(c)$ The electrical work, assuming the cell to be working reversibly may be represented as $-\Delta G = W_{electrical} = -\Delta H + T \Delta S$
Which of the above statements are correct
$(a)$ Hydrogen oxygen fuel cell make use of concentrated $KOH$ solution as electrolyte and porous graphite impregnated with platinum as electrodes
$(b)$ The efficiency of fuel cell is less then unity due to polarisation at electrodes and the resistance offered by the electrode and the electrolyte
$(c)$ The electrical work, assuming the cell to be working reversibly may be represented as $-\Delta G = W_{electrical} = -\Delta H + T \Delta S$
Which of the above statements are correct
- A$(a)$ and $(b)$
- B$(a)$ and $(c)$
- C$(b)$ and $(c)$
- ✓$(a), (b)$ and $(c)$
