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Requirements
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Activities
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Ass
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AtL
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Students should:
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• know that electricity may only be passed by mobile electrically
charged particles.
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Demo: The electrolysis
of molten Lead II Bromide: |
(B) |
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• understand the reactions occurring at the electrodes during
the electrolysis of molten salts.
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The theory of reaction
at the electrodes. |
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| • be familiar with
the role played by the ions derived from water during the electrolysis
of aqueous solutions. |
Exp 20: Electrolysis
of Copper II chloride solution. |
(B) |
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| • be able to predict the products
of electrolysis of molten and aqueous salts and construct equations
for the reactions occurring at the electrodes. |
Exercises on the products
of different solutions related to the metals position in a reactivity
table and the mobility of the anion. |
(C) |
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• appreciate the role of electrolysis in the extraction of
reactive metals.
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Expt 21: Effect of changing
the conditions on the amount of copper deposited during electrolysis |
(D
E) |
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• appreciate the importance of electrolysis in the manufacture
of some industrially important chemicals.
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Data search: The manufacture
of aluminium and sodium related to the year of discovery and the historical
development of the two processes |
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• be aware of the use of electrolysis in purification of metals
and electroplating.
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Test: Electricity in chemistry
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(C) |
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