A-Level ChemistryYear 2023Q21
page 13 21. Which structural formula represents a primary alcohol? C H OH C H H C C H OH C C H H H H H H C H C H H C H H H H H C H H H H H C H H H C C H H H H C OH CH3 H C H H C CH3 CH3 OH A B C D 22. Reduction of 4-methylpentan-2-one to the corresponding alcohol results in the molecule A gaining 2 g per mole B losing 2 g per mole C losing 16 g per mole D not changing in mass. 23. Which of the following gas samples has the same volume as 16.0 g of oxygen? (All volumes are measured at the same temperature and pressure) A 21.0 g of carbon monoxide B 44.0 g of carbon dioxide C 46.0 g of nitrogen dioxide D 46.0 g of dinitrogen tetroxide [Turn over
Paper Source:NH_Chemistry_Paper1-Multiple-choice_2023.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)