Leaving Cert Chemistry 2024

The 2024 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 2024 Higher Level paper?
  • Q1 volumetric analysis, acid-base titration, ethanoic acid, experimental · 50 marks
  • Q2 recrystallisation, oxidation of ethanal, soap preparation, experimental · 50 marks
  • Q3 rates of reaction, concentration, temperature, experimental · 50 marks
  • Q4 short questions, general chemistry · 50 marks
  • Q5 atomic structure, bohr model, electron configuration, ionisation energy · 50 marks
  • Q6 hydrocarbons, isomerisation, catalytic cracking, thermochemistry · 50 marks
  • Q7 chemical equilibrium, kc, le chateliers principle, stoichiometry · 50 marks
  • Q8 organic reactions, free radical mechanism, polymerisation, pvc · 50 marks
  • Q9 acids and bases, ph, indicators, titration curves · 50 marks
  • Q10 oxidation numbers, radioactivity, stoichiometry, rusting · 50 marks
  • Q11 bonding, organic functional groups, water hardness, ozone depletion, iron extraction · 50 marks

Ordinary Level

Exam PaperMarking Scheme
What's in the 2024 Ordinary Level paper?
  • Q1 organic chemistry, ethyne preparation, hydrocarbons, experimental · 50 marks
  • Q2 volumetric analysis, acid-base titration, concentration calculation, experimental · 50 marks
  • Q3 flame tests, qualitative analysis, anion identification, experimental · 50 marks
  • Q4 short answer, ionic bonding, isotopes, hazards, carboxylic acids, diffusion, oxidation, aromatic compounds, x-ray crystallography · 50 marks
  • Q5 electronegativity, periodic table, electron configuration, covalent bonding, molecular shape · 50 marks
  • Q6 isomers, alkanes, fuels, octane number, fractional distillation · 50 marks
  • Q7 rates of reaction, catalysts, hydrogen peroxide, enzymes, graphing · 50 marks
  • Q8 organic reactions, alkenes, alcohols, aldehydes, carboxylic acids, fehling's test · 50 marks
  • Q9 acids and bases, neutralisation, ph, water treatment · 50 marks
  • Q10 empirical formula, molecular formula, chemical equilibrium, le chatelier, radioactivity, alpha decay · 50 marks
  • Q11 atomic theory, periodic table, gas laws, chromatography, industrial chemistry, alloys · 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.