CH-1776
Electrolysis of solutions
Chemistry · Secondary 4 · Easy · Electrolysis of solutions
An aqueous solution contains only sodium ions, chloride ions, hydrogen ions and hydroxide ions. It is electrolysed using inert electrodes.
Which gas is produced at the cathode?
Which gas is produced at the cathode?
- Chlorine
- Hydrogen
- Oxygen
- Sodium vapour
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.