When a lead storage battery is charged,it acts as:

Which of the following reactions occurs at the cathode during the discharging of a lead accumulator?

Limiting molar conductivity of $Mg^{2+}$ and $Cl^{-}$ ions in water is $106.0 \ S \ cm^2 \ mol^{-1}$ and $76.3 \ S \ cm^2 \ mol^{-1}$ respectively. The limiting molar conductivity of magnesium chloride (in $S \ cm^2 \ mol^{-1}$) in water is

Which substance is used as cathode in a mercury cell?

Which of the following net cell reactions occurs in a galvanic cell containing a cadmium electrode and a standard hydrogen electrode? Given: $E^0_{(Cd^{2+}(aq)|Cd(s))} = -0.403 \text{ V}$.

Give the reactions for the following:
$(i)$ Reactions occurring at the electrodes and the overall redox reaction of a Daniell cell.
$(ii)$ Give the redox and electrode reactions of a $Cu-Ag$ galvanic cell.