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(e)Question part (e)
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Estimated difficulty · Easy
e. Compound R and propanoic acid react to form propyl propanoate.
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i. Draw the skeletal formula for propyl propanoate. 1 mark
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Estimated difficulty · Easy
ii. Identify the other product formed in this reaction. 1 mark N H T
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Question 4 (8 marks) Ammonia gas, NHs(g), can be made by reacting a mixture of nitrogen gas, N,(g), and hydrogen gas, H,(g), using an iron catalyst. The reaction can be represented
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Estimated difficulty · Medium
Question 4 (11 marks) Nickel-hydrogen cells are rechargeable. The following half-cell reactions occur in the nickel-hydrogen cell. NiOOH(s) + H 2 O(l) + e− → Ni(OH)2 (s) + OH−(aq)
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Report-based difficulty · EasyAverage marks: 90% of available · official reportFull marks: 86% of students · official report
a. Write the expression for the equilibrium constant, Kj,
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a. Identify the oxidising agent of the nickel-hydrogen cell during discharge. Justify your answer using oxidation numbers. 2 marks
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Estimated difficulty · Easy
b. Identify a suitable material for the negative electrode of a nickel-hydrogen cell. 1 mark
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Report-based difficulty · MediumAverage marks: 40% of available · official reportFull marks: 34% of students · official report
b. Determine the partial pressure of NH;, in kPa, in the equilibrium mixture at 400°C.
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c. Write the overall recharge reaction for the nickel-hydrogen cell. 2 marks
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Report-based difficulty · DifficultAverage marks: 36.7% of available · official reportFull marks: 13% of students · official report
c. Ata constant temperature of 400 °C, a change was made to the equilibrium system Just after the change was made, the reaction quotient, Q, was 1.20 x 10kPa2 Identify a change to
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Estimated difficulty · Easy
d. State the voltage required to recharge the nickel-hydrogen cell under standard conditions. 1 mark
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