Electrolysis

• How to set up electrolysis cell?

  Need:

  container For solution (the electrolyte)

  Two electrodes connected to a battery/power pack
• how Does electrodes become anodes and cathodes

  electrode you connect to the positive terminal and that becomes the anode

  
  

  electrode you connect to the negative terminal becomes the cathode
• How can you identify products of electrolysis?

  light splint ignites = squeaky pop

  Glowing splint = relights in oxygen

  Damp blue litmus paper turns red then white in chlorine
• What two elements of electrolysis will they ask most in the exam?

  Copper (ll) sulphate solution

  sodium chloride solution
• Electrolysis of copper


  .