Complete and balance the half equation for the reduction of aluminium ions at the negative electrode (cathode) during the industrial extraction of aluminium.
Al3++……⋯→……… \text{Al}^{3+} + \dots\dots\dots \rightarrow \dots\dots\dots Al3++……⋯→………Practise Edexcel GCSE Chemistry Obtaining and using metals 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.