9701/21/M/J/24 · Chemistry May/June 2024 Paper 21
6 questions, 59 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Physical properties of the Group 17 elements, Halogens and hydrogen halides, Oxidation and reduction, Some reactions of the halide ions
- Question 2 · 12 marks · Period 3 chlorides with water, Dot-and-cross diagrams, Shapes of molecules, Oxidation numbers, Formulas, Brønsted–Lowry theory of acids and bases, Lattice structures
- Question 3 · 9 marks · Le Chatelier's principle, Kc and Kp
- Question 4 · 6 marks · Enthalpy change definitions, Hess’s law
- Question 5 · 9 marks · Covalent and dative bonding, Addition polymers and the bromine test
- Question 6 · 13 marks · Cis/trans isomerism, Finding isomerism in a structure, Organic formulas and naming, Characteristic organic reactions, Reduction and nucleophilic addition, Mass spectrometry, Combustion, halogenation and sodium, Infrared spectroscopy
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.