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OCR A A-Level Chemistry

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Revision OCR A revision in syllabus order Concise explanations, equations, worked examples and linked practice for each specification point. Year 12 Year 12 chemistry Physical and inorganic Year 12 Organic chemistry Reactions and routes Year 13 Year 13 chemistry Physical chemistry Year 13 Transition metals Colours, complexes and tests Year 13 Organic chemistry Synthesis and spectroscopy

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Structure LabStructures, properties and deduction Play Shape LabVSEPR, bond angles and 3-D shapes Play Polarity & IMF LabDipoles, forces and boiling points Play Bond BuilderOCR dot-and-cross and dative bonding Play Bonding exam practiceOriginal questions for OCR A with mark-point feedback Play Bonding BlasterBonding and structure Play Reaction DropOrganic chemistry Play Bonding DropStructure and properties Play

Practise

Full A-level bondingYear 13 only · lattice, complexes, delocalisation Open CalculationsQuestion generators Open NMR spectroscopyYear 13 structure deduction Open Moles practiceAmount of substance Open Isotope questionsAᵣ, abundance and mass spectra Open IR spectroscopyYear 12 absorptions and functional groups Open Acid–base calculationspH, Ka, Kw and buffers Open Organic synthesisRoutes and reagents Open Transition-metal coloursIons and precipitates Open KineticsBoltzmann, rate evidence and Arrhenius Open Kinetics exam setsLinked original questions across the topic Open EquilibriumKc, Kp and equilibrium response Open Kc & Kp calculationsLinked equilibrium calculations Open Rate equationsOrders, k and units Open Hess lawYear 12 energetics Open

Quick checks

Organic Conversion MatchChoose covered topics · board-specific reagents and conditions Open Definitions matchingOCR A terms Open Transition metals quizComplex ions and reactions Open Rates and equilibrium quizYear 13 recall Open

Explore

KcExpressions and equilibrium Open Boltzmann questions & simulatorTemperature, catalysts and exam graphs Open Arrhenius equation & plotsActivation energy, A and straight-line plots Open Head StartGCSE to Year 12 Open