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TCE · TCE Level 4 · official past papers

TCE Chemistry past exams 2021–2025, by year and topic

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ATARMAxxing indexes 5 official TASC Chemistry papers from 2021 to 2025, with 15 questions mapped to 4 topics. Every paper opens on the TASC website.

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180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022) · 2022–2026160-mark, 4-part format (Part 1–4; superseded) · 2021–2021

TCE Chemistry exams by year: official papers & marking guidance

Past exams indexed: 2025, 2024, 2023, 2022, 2021. Open the official TASC papers, with marking guidance where available.

YearStudy designOfficial paper(s)Marking guidance
2025 TCE Chemistry exam180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination ↗Marking guidance ↗
2024 TCE Chemistry exam180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination ↗Marking guidance ↗
2023 TCE Chemistry exam180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination ↗Marking guidance ↗
2022 TCE Chemistry exam180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination ↗Marking guidance ↗
2021 TCE Chemistry exam160-mark, 4-part format (Part 1–4; superseded)Written examination ↗Marking guidance ↗

5 official papers across 5 years (2021–2025), 5 with marking guidance, published by TASC. These span more than one study design; the most recent is 180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022). Earlier papers may cover material that has since changed.

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Criterion 5 — Fundamental principles and theories of electrochemistry · 4 mapped questions

Balancing redox half-equations and overall equations in acidic solution (H2O, H+, electrons)

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section A Q19 marksDerives oxidation and reduction half-equations for a permanganate/sulfite reaction and combines them into a net ionic equation, then applies the same half-equation reasoning to explain and provide evidence for two further redox pairings.Official paper ↗Marking guidance ↗Check tutors for this question →

Standard reduction potentials, E°cell and predicting reaction spontaneity

  • 2021160-mark, 4-part format (Part 1–4; superseded)Written examination Part 1 Q19 marksWrites half-equations for a metal/vanadium-ion redox reaction, uses oxidation numbers to justify which of three vanadium species is the strongest oxidiser, then derives the overall cell equation for a metal-air cell from two supplied standard electrode potentials.Official paper ↗Marking guidance ↗Check tutors for this question →

Galvanic cells: anode/cathode, polarity, electron flow and cell notation

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section A Q36 marksLabels the anode, cathode, electrode polarity and electron-flow direction on a lithium-ion cell diagram, writes the overall cell equation, explains the separator's role, and calculates a half-cell's standard potential from a measured cell voltage.Official paper ↗Marking guidance ↗Check tutors for this question →

Electrolysis products, Faraday's laws and electrochemical corrosion/protection

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section A Q611 marksUses redox and ion-movement reasoning to explain why a buried steel power pole corroded below ground but not above it, accounts for cracking in the surrounding concrete, and evaluates why a nearby sacrificial metal post fails before suggesting a workable alternative protection method.Official paper ↗Marking guidance ↗Check tutors for this question →

Also in this topic: Oxidation states, electron transfer and identifying oxidising/reducing agents — question-level mapping in progress; the year table above links every official paper.

Criterion 6 — Thermochemistry, kinetics and equilibrium · 3 mapped questions

Energy profiles, enthalpy sign conventions and exothermic/endothermic reactions

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section B Q810 marksSketches a labelled potential-energy profile for an esterification reaction, then separately justifies the conditions that maximise reaction rate and the conditions that maximise equilibrium yield for the same synthesis.Official paper ↗Marking guidance ↗Check tutors for this question →

Collision theory and factors affecting reaction rate

  • 2021160-mark, 4-part format (Part 1–4; superseded)Written examination Part 2 Q96 marksReads concentration-time graphs for two otherwise identical reactions, calculates an instantaneous reaction rate from the graph, identifies the catalytic role of an added transition-metal ion, and explains the resulting change in graph shape.Official paper ↗Marking guidance ↗Check tutors for this question →

Le Chatelier's principle, Q versus K, and shifting equilibrium

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section B Q99 marksWrites the equilibrium expression for a colour-changing complex-ion equilibrium, compares forward and reverse reaction rates once equilibrium is reached, and explains a Le Chatelier shift and its effect on the equilibrium constant after a reagent is added.Official paper ↗Marking guidance ↗Check tutors for this question →

Also in this topic: Calorimetry, specific heat capacity and experimental limitations · Dynamic equilibrium and Kc expressions · Brønsted-Lowry acids and bases, Ka, Kw, pH and titration reasoning — question-level mapping in progress; the year table above links every official paper.

Criterion 7 — Properties and reactions of organic and inorganic matter · 3 mapped questions

Organic functional groups, IUPAC nomenclature and structural formulae

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section C Q128 marksIdentifies the functional groups present in a common pharmaceutical molecule's structure, draws and explains a more accurate delocalised representation of its aromatic ring, and accounts for its low water solubility using intermolecular forces.Official paper ↗Marking guidance ↗Check tutors for this question →

Organic reaction pathways, synthesis routes and polymers

  • 2021160-mark, 4-part format (Part 1–4; superseded)Written examination Part 3 Q117 marksWrites an equation converting an alcohol to an amine and explains both compounds' water solubility from their functional groups, justifies preferring a catalytic oxidation route over a strong chemical oxidiser, and names and justifies the polymer class formed from a hydroxy-acid monomer.Official paper ↗Marking guidance ↗Check tutors for this question →

Interpreting infrared and mass-spectrometry evidence for structure

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section C Q1413 marksCompletes a multi-step organic synthesis pathway starting from a primary alcohol, then uses paired infrared and mass-spectral evidence to confirm the identity of that starting material.Official paper ↗Marking guidance ↗Check tutors for this question →

Also in this topic: Electron configuration and periodic trends · Kinetic molecular theory and gas laws — question-level mapping in progress; the year table above links every official paper.

Criterion 8 — Quantitative chemical problem solving · 5 mapped questions

Solution concentration, dilution and volumetric/titration calculations

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section D Q177 marksCalculates the concentration of a household-cleaner solution from a dissolved mass and volume, then finds the combined ion concentration once that solution is mixed with a second solution of known concentration.Official paper ↗Marking guidance ↗Check tutors for this question →
  • 2021160-mark, 4-part format (Part 1–4; superseded)Written examination Part 4 Q185 marksCalculates the concentration of a hydrochloric acid solution from titration data against a standardised carbonate solution, then finds the mass of hydrated solid needed to prepare that standard solution.Official paper ↗Marking guidance ↗Check tutors for this question →

Gas-law and empirical/molecular formula calculations

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section D Q199 marksIdentifies the limiting reagent in a gas-phase synthesis to find the mass of product formed and the mass of reactant left over, then applies the ideal gas law to find the pressure of a measured mass of one reactant confined to a fixed volume.Official paper ↗Marking guidance ↗Check tutors for this question →

Quantitative calorimetry, kinetics and equilibrium problems

  • 2025180-mark, 4-section format (Sections A–D; current, EAS Version 2, Feb 2022)Written examination Section D Q187 marksUses Hess's law and three supplied thermochemical equations to determine the enthalpy of a target reaction, then calculates the energy released in producing a specified mass of product.Official paper ↗Marking guidance ↗Check tutors for this question →
  • 2021160-mark, 4-part format (Part 1–4; superseded)Written examination Part 4 Q198 marksCalculates the theoretical heat released burning a measured volume of a fuel from its enthalpy of combustion, compares it with an experimental calorimetry result, then uses Hess's law with a supplied side reaction to find the enthalpy of the fuel's incomplete combustion.Official paper ↗Marking guidance ↗Check tutors for this question →

Also in this topic: Mole calculations, limiting reagent and percentage yield · Electrochemical and electrolysis calculations (Faraday's laws, charge, mass) — question-level mapping in progress; the year table above links every official paper.

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