5.4.3 Electrolysis

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Learning Checklist & Knowledge Organiser

5.4.3 Electrolysis (Higher & Foundation)

Describe how ionic compounds can conduct electricity when dissolved in water and describe these solutions as electrolytes
Describe the process of electrolysis
Describe the electrolysis of molten ionic compounds and predict the products at each electrode of the electrolysis of binary ionic compounds
Explain how metals are extracted from molten compounds using electrolysis and use the reactivity series to explain why some metals are extracted with electrolysis instead of carbon
Describe the electrolysis of aqueous solutions and predict the products of the electrolysis of aqueous solutions containing single ionic compounds
Required practical 9: investigate what happens when aqueous solutions are electrolysed using inert electrodes
HT ONLY: Describe the reactions at the electrodes during electrolysis as oxidation and reduction reactions and write balanced half equations for these reactions