During the industrial extraction of aluminium, molten aluminium oxide is electrolysed. At the cathode, aluminium ions, Al3+\text{Al}^{3+}Al3+, form neutral aluminium atoms.
Write the half equation for this reaction.
Practise Edexcel GCSE Chemistry Electrolytic processes with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.