Edexcel A-Level Chemistry Paper 2, November 2021
Every question from Edexcel A-Level Chemistry Paper 2, November 2021 (9CH0): 12 questions, 90 marks, each with its mark scheme and topic.
- Question 1 1 mark
Calculate the total number of ions in a given mass of ammonium sulfate using the molar mass and Avogadro constant.
Physical Chemistry · Topic 5: Formulae, Equations and Amounts of Substance
- Question 2 1 mark
Calculate the minimum volume of oxygen at room temperature and pressure needed for the complete combustion of 0.200 mol of butane given its balanced equation.
Physical Chemistry · Topic 5: Formulae, Equations and Amounts of Substance
- Question 3 1 mark
Identify the systematic IUPAC name including E/Z stereochemistry for tiglic acid given its skeletal structure.
Organic Chemistry · Topic 6: Organic Chemistry I
- Question 4 12 marks
Draw skeletal formulae of branched alkenes, identify alcohol dehydration products, complete the electrophilic addition mechanism for pent-2-ene and HBr, and calculate the pressure of pent-1-ene vapour using the ideal gas equation.
Organic Chemistry · Physical Chemistry · Topic 6: Organic Chemistry I · Topic 5: Formulae, Equations and Amounts of Substance
- Question 5 6 marks
Identify functional groups, explain the effect of water on synthetic oil, name the crude oil separation process, and compare boiling points of compound X and hydrocarbons.
Organic Chemistry · Physical Chemistry · Topic 6: Organic Chemistry I · Topic 17: Organic Chemistry II · Topic 2: Bonding and Structure
- Question 6 15 marks
Calculate atom economy, determine activation energy using the Arrhenius equation, and deduce orders of reaction, rate equation, and rate constant for various chemical processes involving carbon monoxide.
Physical Chemistry · Topic 5: Formulae, Equations and Amounts of Substance · Topic 9: Kinetics I · Topic 16: Kinetics II
- Question 7 9 marks
Compare and contrast the polymerisation of cyclohexene and 4-hydroxycyclohexanecarboxylic acid, including repeat unit equations, and state three ways waste polymers can be utilised.
Organic Chemistry · Topic 6: Organic Chemistry I · Topic 17: Organic Chemistry II
- Question 8 10 marks
Calculate the empirical formula and molar mass of a dicarboxylic acid Y from combustion and titration data, and deduce its structure and reduction reagent.
Physical Chemistry · Organic Chemistry · Topic 5: Formulae, Equations and Amounts of Substance · Topic 17: Organic Chemistry II
- Question 9 10 marks
Synthesise paracetamol from phenol in a multi-step reaction, calculate the minimum mass of phenol needed, analyze carbon-13 NMR spectra, identify oxidation/reduction/functional group properties, locate chiral centres in glutathione, and explain the melting point/solid state properties of amino acids.
Organic Chemistry · Physical Chemistry · Topic 18: Organic Chemistry III · Topic 19: Modern Analytical Techniques II · Topic 5: Formulae, Equations and Amounts of Substance · Topic 17: Organic Chemistry II · Topic 2: Bonding and Structure
- Question 10 12 marks
Assess the properties and reactions of butylamine and phenylamine, including acid-base behaviour, acylation, complex formation, and nucleophilic substitution mechanisms.
Organic Chemistry · Inorganic Chemistry · Topic 18: Organic Chemistry III · Topic 15: Transition Metals
- Question 11 7 marks
Plot experimental kinetics data for the reaction between a chloroalkane and potassium hydroxide, determine the order with respect to hydroxide ions, deduce the reaction mechanism, and classify the chloroalkane.
Physical Chemistry · Organic Chemistry · Topic 16: Kinetics II · Topic 6: Organic Chemistry I
- Question 12 6 marks
Devise a multi-step reaction scheme to synthesise 2,2-dimethylbutan-1-ol starting from 2-bromo-2-methylbutane, including reagents, conditions and intermediate structures.
Organic Chemistry · Topic 18: Organic Chemistry III · Topic 6: Organic Chemistry I · Topic 17: Organic Chemistry II