The extraction method for a metal depends on where it is positioned in the reactivity series relative to carbon. Magnesium is extracted from molten magnesium chloride using electrolysis.
Explain why electrolysis, rather than reduction with carbon, must be used to extract magnesium from its compounds.
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.