Question

Hydrogen is prepared by "electrolysis of water"
(a) name the electrolyte is used
(b) write reaction at cathode
(c) write reaction at anode

Answer 1

Answer:

Water electrolysis is the process whereby water is split into hydrogen and oxygen through the application of electrical energy, as in Eq. (6). ... A direct current (DC) is applied from the negative terminal of the DC source to the cathode (seat of the reduction reaction), where the hydrogen is produced.