Unit Award Scheme

122538 CHEMICAL REACTIONS ELECTROLYSIS

In successfully completing this unit, the Learner will have		Evidence needed
demonstrated the ability to
1	define of the term 'electrolysis' in terms of the movement of ions	Summary sheet and/or student completed work
2	describe the main apparatus used in the process of electrolysis	Summary sheet and/or student completed work
shown knowledge of
3	the fact electrolysis only occurrs when ions are free to move, ie in a liquid not solid state	Summary sheet and/or student completed work
4	the fact electrolysis only occurrs when ionic compounds are molten or dissolved in water and these liquids are 'electrolytes'	Summary sheet and/or student completed work
demonstrated the ability to
5	describe the electrolysis of molten ionic compounds with reference to lead bromide	Summary sheet and/or student completed work
6	predict the products at each electrode of the electrolysis of molten lead bromide	Summary sheet and/or student completed work
7	explain how metals are extracted from molten compounds using electrolysis	Summary sheet and/or student completed work
8	use the reactivity series to explain why some metals are extracted with electrolysis instead of carbon	Summary sheet and/or student completed work
shown knowledge of
9	the key stages that occur when aqueous solutions are electrolysed using inert electrodes	Summary sheet and/or student completed work
demonstrated the ability to
10	describe the key stages of the process of electrolysis of aqueous solutions	Summary sheet and/or student completed work
11	predict the products of the electrolysis of given aqueous solutions that contain single ionic compounds.	Summary sheet and/or student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 19 November 2024Level - Level One