List of top Chemistry Questions on Electrostatics asked in KEAM

Which of the following metal is incorporated into the electrodes of fuel cell to increase the rate of reaction?

In the reaction $O_2(g)+4H^+(aq)+4e^- \rightarrow 2H_2O(l)$, the quantity of electricity needed to reduce one mole of gaseous oxygen is $(E^\circ_{cell}=1.23V)$