Leaving Cert Chemistry 2022

The 2022 Leaving Cert Chemistry exam paper and official marking scheme, free below as direct PDF links from the State Examinations Commission archive.

Higher Level

Exam PaperMarking Scheme
What's in the 2022 Higher Level paper?
  • Q1 water hardness, titration, edta · 50 marks
  • Q2 organic preparation, recrystallisation, ethene · 50 marks
  • Q3 reaction rates, hydrogen peroxide, catalysis · 50 marks
  • Q4 periodic table, atomic structure, stoichiometry · 50 marks
  • Q5 atomic structure, electron configuration, radioactivity · 50 marks
  • Q6 fuels, hydrocarbons, thermochemistry · 50 marks
  • Q7 chemical equilibrium, le chatelier, equilibrium constant · 50 marks
  • Q8 organic chemistry, esters, carboxylic acids · 50 marks
  • Q9 acids and bases, ph, titration curves · 50 marks
  • Q10 gas laws, electronegativity, empirical formula · 50 marks
  • Q11 oxidation and reduction, catalysis, electrochemistry · 50 marks

Ordinary Level

Exam PaperMarking Scheme
What's in the 2022 Ordinary Level paper?
  • Q1 organic chemistry, oxidation, unsaturation · 50 marks
  • Q2 volumetric analysis, titration, stoichiometry · 50 marks
  • Q3 rates of reaction, catalysis, decomposition · 50 marks
  • Q4 general chemistry, periodic table, stoichiometry · 50 marks
  • Q5 chemical bonding, electronegativity, electron configuration · 50 marks
  • Q6 hydrocarbons, organic nomenclature, combustion · 50 marks
  • Q7 acids and bases, ph, logarithmic scale · 50 marks
  • Q8 organic chemistry, fermentation, oxidation · 50 marks
  • Q9 flame tests, redox reactions, electrochemical series · 50 marks
  • Q10 atomic structure, chemical equilibrium, stoichiometry · 50 marks
  • Q11 water treatment, states of matter, chromatography, industrial chemistry · 50 marks

Revise Chemistry by topic

Atomic Theory & the Periodic TableChemical Bonding & Molecular ShapeOxidation–Reduction & ElectrochemistryStoichiometry, the Mole, Formulas & EquationsVolumetric Analysis (Titrations)Acids, Bases & pHRates of ReactionChemical EquilibriumThermochemistry (Energetics)Organic Chemistry, Hydrocarbons & FuelsWater, Environmental & Atmospheric ChemistryIndustrial ChemistryLaboratory Skills & Techniques
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Questions come from the official State Examinations Commission papers. Every link opens the original PDF on examinations.ie.