VCE Chemistry Past Exam Questions
Browse VCE Chemistry exam questions from 2015–2026, including NHT and VCE papers. Filter by topic, year and paper; open the original source.
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Section B, Question 3(b)(ii)Question part (b)(ii)
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ii. Using Le Châtelier’s principle, state one way in which the yield of CH 3 OH could be increased at a constant temperature. Justify your response. 2 marks
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c. Determine what needs to happen for the system to return to equilibrium. Use calculations to support your response. 3 marks
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d. 5.00 mol of CO and an unknown amount of H 2 were injected into an evacuated 1.00 L sealed container at 500 K. Once equilibrium was established, the concentration of CH 3 OH was
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d. i. Identify a catalyst that will increase the rate of the reaction to produce Compound N. 1 mark Write the IUPAC name for Compound N. 1 mark
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e. Compounds P and Q can be produced under certain conditions in a reaction between Compound N and H,0. Compound P reacts with acidified potassium permanganate, KMnO,, resulting in
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f. Calculate the percentage atom economy for producing Compound P from the reaction between Compound N and H,0. The molar mass of Compound N is 130 g mol". 2 marks
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g. Compound P and Compound Q can be separated because they have different boiling points. Which one of the two compounds will have the higher boiling point? Justify your answer by
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Question 4 continues on the next page. Question 4 (17 marks) Many industries, such as the pharmaceutical industry, need to produce a range of organic compounds. Compound X, known t
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Question 4 (7 marks) Consider the following equilibrium reaction. COx(9) + CFy(g) = 2COF,(g) 2.00 mol of CO,(g) and 2.00 mol of CF (g) are injected into an empty, sealed 2.00 L con
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a. Simple hydrocarbons are the usual raw material used to produce haloalkanes, amines, alcohols, carboxylic acids and esters. During the production process, routine quality testing
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a. i. When the system reaches equilibrium at 1000 °C, the concentration of CF,(g) is 0.74 M. What is the equilibrium concentration of COF(g)? 2 marks
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i. Write a balanced equation to show the production of C 3 H 7 Cl from C 3 H 8 . Include the reaction conditions. 2 marks
Search excerpt only. Open the original question for exact equations and diagrams.Source: 2025 VCE Chemistry examination (PDF, 2.5 MB)How to use ClassConnect past exam questions
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