During the industrial extraction of titanium metal, titanium(IV) chloride is reacted with molten magnesium at high temperatures in an inert atmosphere:
TiCl4(l)+2Mg(s)→Ti(s)+2MgCl2(s) \text{TiCl}_4(\text{l}) + 2\text{Mg}(\text{s}) \rightarrow \text{Ti}(\text{s}) + 2\text{MgCl}_2(\text{s}) TiCl4(l)+2Mg(s)→Ti(s)+2MgCl2(s)Which substance acts as the reducing agent in this reaction?
Titanium(IV) chloride (TiCl4\text{TiCl}_4TiCl4)
Magnesium (Mg\text{Mg}Mg)
Titanium (Ti\text{Ti}Ti)
Magnesium chloride (MgCl2\text{MgCl}_2MgCl2)
55 exam-style questions on OCR GCSE Chemistry Types of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.