Home » Past Questions » General Paper » The preferential discharge of sodium during the electrolysis of brine using merc...

The preferential discharge of sodium during the electrolysis of brine using merc...


Question

The preferential discharge of sodium during the electrolysis of brine using mercury as cathode is due to one of the following

Options

A) High concentration of Na

B) Na is lower than H in the electrochemical series

C) Discharge of sodium as the amalgam requires less energy

D) Concentration of H is higher

The correct answer is C.


More Past Questions:


Discussion