OCR A-Level Chemistry B: Salters (H433) · OCR H433
5 Physical chemistry and transition elements (A-Level only)
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Physical chemistry and transition elements (A-Level only)
- A student carries out two reactions. In Reaction A, zinc powder is added to dilute sulfuri… (5 marks, Explain)
- A chemical company produces ethanol by the reversible reaction of ethene with steam: C₂H₄(… (5 marks, Explain)
- The production of hydrogen for fuel cells involves the reversible reaction between methane… (5 marks, Explain)
- A student investigates how temperature affects the rate of a reaction between sodium thios… (5 marks, Explain)
- Copper(II) sulfate solution is a deep blue colour. When excess zinc powder is added to cop… (5 marks, Explain)
- A student is investigating two reactions, Reaction X and Reaction Y, both producing the sa… (5 marks, Explain)
- Iron is used as a catalyst in the industrial production of ammonia. A student claims that … (5 marks, Evaluate)
- Manganese(IV) oxide is used as a catalyst in the decomposition of hydrogen peroxide soluti… (5 marks, Explain)
- Vanadium(V) oxide is used as a catalyst in the Contact process, which produces sulfur trio… (5 marks, Explain)
- The Haber process produces ammonia using the reversible reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)… (5 marks, Explain)
- A student uses a reaction profile to compare two reactions: an uncatalysed decomposition o… (5 marks, Explain)
- A student investigates the rate of a reaction between marble chips (calcium carbonate) and… (5 marks, Explain)
- The manufacture of methanol involves the reversible reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(g). T… (5 marks, Explain)
- The contact process is used to manufacture sulfuric acid. One step involves the reversible… (5 marks, Explain)
- The industrial production of ammonia uses the reversible reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g… (5 marks, Explain)