Spec 1CH0
Revise Edexcel GCSE Chemistry 4.2.3 Half equations, oxidation and reduction in electrolysis with the question bank, lessons, revision guides, and flashcards.
3.27 Higher tier only. Write half equations for the reactions occurring at the anode and the cathode in electrolysis. 3.28 Higher tier only. Recall that oxidation is the loss of electrons and reduction is the gain of electrons. 3.29 Higher tier only. Explain that reduction occurs at the cathode and oxidation occurs at the anode in electrolysis. This whole article is Higher tier only and is not assessed at Foundation tier.
