9701/23/M/J/21 · Chemistry May/June 2021 Paper 23
5 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 13 marks · Physical properties of the Group 17 elements, Halogens and hydrogen halides, The reactions of chlorine, Brønsted–Lowry theory of acids and bases, Gas volumes, Balancing redox equations
- Question 2 · 14 marks · Intermolecular forces, Dynamic equilibrium, Kc and Kp
- Question 3 · 11 marks · Period 3 oxides and hydroxides, Period 3 chlorides with water, Structure and properties, Explaining Period 3 trends, Formulas
- Question 4 · 12 marks · Organic formulas and naming, Reduction and nucleophilic addition, Tests for carbonyls, Organic synthesis
- Question 5 · 10 marks · Carboxylic acids, Finding isomerism in a structure, Oxidising alcohols, Cis/trans isomerism, Structural isomerism
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.