Required Practical: Electrolysis

1. Pour approximately 50cm cubed of copper (II) chloride solution into a beaker

2. Place a plastic petri dish over the beaker (petri dish should 2 holes)

3. Insert a carbon graphite rod into each hole, which are electrodes, They shall not touch each other

inert = unreactive

4. Attach crocodile leads to the rods and connect the rods to the terminals of a low voltage power supply

5. Select 4V on the power supply and switch it in

- The cathode will start to coat with copper

- The anode will show us bubbles of a gas and the smell of chlorine will be in the

- If you hold a piece of damp blue litmus paper near the anode then it will become bleached, proving that the gas is chlorine