Electrolysis

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  • Created by: Lucy
  • Created on: 12-06-13 16:49
  • Electrolysis is the break-up of a chemical compound using an electric current.
  • Electrolytes are ionic so the charge moves though the solution by the ions moving
  • Positive ions move towards the negative cathode
  • Negative ions move towards the positive anode
  • Ions reach the electrodes and are discharged; they turn into atoms or molecules.#
  • The amount produces at each electrode increases with current and time

The Electrolysis of Copper:

In the purification of copper the electrolyte used is a solution of copper (II) sulphate and this is purified using copper electrodes.

The cathode used (The negative electrode) is a sheet

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