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Topic 4: Electrochemistry
4 subtopics · Electrolysis, fuel cells and electrochemical cells
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4.1
Electrolysis
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Decomposition of ionic compounds, molten electrolytes, ion movement, half-equations, oxidation and reduction
4.2
Electrolysis of Aqueous Solutions
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Selective discharge, predicting products, electroplating, copper purification, aluminium extraction
4.3
Hydrogen–Oxygen Fuel Cells
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How fuel cells work, advantages and disadvantages, comparison with batteries
4.4
Electrochemical Cells
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Simple cells, two metals in electrolyte, voltage and reactivity series link