Specification Point 1.59C (Paper 2C Only):
Write ionic half-equations representing the reactions at the electrodes during electrolysis and understand why these reactions are classified as oxidation or reduction

Ionic Half-Equations

Electrolysis: Decomposition of an ionic substance by passing an electric current through it.

Reaction at Electrodes:

Table Ionic Half-Equations, Edexcel IGCSE Chemistry

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Author: Jamie

Jamie got a First class degree in Chemistry from Oxford University before going on to teach chemistry full time as a professional tutor. He’s put together these handy revision notes to match the Edexcel IGCSE Chemistry specification so you can learn exactly what you need to know for your exams.