Coulomb is equal to

During electrolysis,the species that becomes neutral at the cathode is ...... .

$A$ solution of sodium sulphate in water is electrolysed using inert electrodes. The products at the cathode and anode are respectively:

During electrolysis of water,the volume of $O_2$ liberated is $2.24 \ dm^3$. The volume of hydrogen liberated,under same conditions,will be .............. $dm^3$.

The incorrect statement about the Castner-Kellner cell process is

Which products are obtained during the electrolysis of an aqueous solution of sodium chloride?