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 6
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Question 6 (10 marks) A non-cyclic organic compound is analysed using different types of spectroscopy. The compound contains one chlorine atom and does not contain any nitrogen ato
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Question 6 (13 marks) Compound X has a molecular formula of CgHy;CIO. The infrared spectrum of Compound X is shown below. 100 transmittance (%) 50: T T T T T 4000 3000 2000 1500 10
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a. The molecule includes a chloro functional group. What does the spectrum indicate about one other (non C-H) functional group that is in the compound? Give your reasoning. 2 marks
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Report-based difficulty · EasyAverage marks: 70% of available · official reportFull marks: 68% of students · official report
a. Use item 22 of the Data Book to identify the bond type in Compound X that has the highest wave number. 1 mark o S 5) ° 3 H (3 5 @ = ®
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b. The mass spectrum for the chemical is shown below. 100 80 60 40 20 0 relative intensity 10 20 30 40 m/z 50 60 70 80 90 Source: adapted from <sdbs.db.aist.go.jp>
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b. The mass spectrum of Compound X, CsH CIO, is shown below. 100 80 60 relative intensity 40 20 10 20 30 40 50 60 70 80 90 100 110 120 miz Data: National Institute of Advanced Indu
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Report-based difficulty · EasyAverage marks: 80% of available · official reportFull marks: 75% of students · official report
i. Identify the m/z of the base peak. 1 mark
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i. State the m/z of the base peak. 1 mark
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ii. The peaks with the highest m/z values are at 94 and 96. Explain the presence of these two peaks. 2 marks N H T
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Report-based difficulty · MediumAverage marks: 50% of available · official reportFull marks: 50% of students · official report
ii. Identify the formula of the species that is responsible for the peak at m/iz="73. 1 mark ° e 2 £ iS 8 3 = [=]
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c. The 1 H NMR spectrum of the compound consists of four distinct peaks. The chemical shift and the relative peak area of each peak are summarised in the table below. Chemical shif
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Report-based difficulty · MediumAverage marks: 56.7% of available · official reportFull marks: 19% of students · official report
c. The BCNMR spectrum for Compound X is shown below. ——T———T1— 200 180 160 140 120 100 80 60 40 20 ppm Data: National Institute of Advanced Industrial Science and Technology, SDBS
Search excerpt only. Open the original question for exact equations and diagrams.Source: 2024 VCE Chemistry examination (PDF, 6.75 MB) · Report: 2024 VCE Chemistry external assessment report (DOCX, 201.49 KB)How to use ClassConnect past exam questions
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