Question

At cathode obtained during electrolysis of molten potassium chloride

Answer 1

• Potassium metal at cathode and Chlorine at anode
• Electrolysis separates the molten ionic compound into its elements.Potassium ions gain electrons (reduction) to form potassium atoms.
• Chloride ions lose electrons (oxidation) to form chlorine atoms.
• The chlorine atoms combine to form molecules of chlorine gas.
• The overall reaction is    2K+Cl-(l) → 2K(s) + Cl2(g)