Electrolysis

Question 1

State what happens at the Cathode in MOLTEN electrolysis.

Answer 1

1. Cation attracted to cathode.
2. Ions gain electrons from the circuit.

Question 2

State what happens at the Anode in MOLTEN electrolysis.

Answer 2

1. Anion attracted to anode.
2. Ions lose electrons to the circuit.

Question 3

State what happens at the Anode in AQUEOUS electrolysis.

Answer 3

1. If a halide ion is present, halide produced.
2. If no halide ion present, O2 and H2O produced.

Question 4

State what happens at the Cathode in AQUEOUS electrolysis.

Answer 4

1. If metal less reactive than H2, metal produced.
   2.