In the Contact process, sulfur dioxide and oxygen react to form sulfur trioxide. Vanadium(V) oxide is added to the reaction vessel.
State the purpose of the vanadium(V) oxide.
87 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.