Year 12 Chemistry Success Hub

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This package is designed for students who want to strengthen their understanding of Year 12 / AS Level chemistry — whether you’re preparing for mocks, end-of-year assessments, class tests, or AS exams.

The course is suitable for all major exam boards (AQA, OCR A, and Edexcel) and focuses on building secure knowledge alongside the exam skills students typically struggle with at this stage. If you later need support for the full A Level exams, the Year 13 Exam Prep Hub is also available.

Each topic includes a structured checklist, targeted practice questions, and supporting revision materials. The accompanying exam masterclasses work through challenging examples, highlight common misconceptions, and develop the techniques needed to approach exam questions with confidence.

Topics included are:

  • Atomic structure and ionisation energy
  • Calculations and gas volumes
  • Titrations and solution calculations
  • Organic chemistry: isomers and naming compounds
  • Organic reaction mechanisms
  • Bonding and structure
  • Shapes of molecules and intermolecular forces
  • Acids, bases and chemical equations
  • Redox and periodic trends
  • Enthalpy changes (part 1 – calculating enthalpy changes and Hess’ Law)
  • Alcohols, aldehydes and ketones
  • Kinetics and equilibria
  • Organic analysis (part 1 – combustion, IR and mass spec)

Atomic structure and ionisation energy

Calculations 1: Mass and gas volumes

Calculations 2: Titrations and solution calculations

Calculations involving solutions and titrations, including some more challenging examples with walkthroughs.

Lessons

Topic checklist Practice questions and answers Video: back titrations More challenging titration questions Exam masterclass recording

Bonding and structure

Shapes of molecules and intermolecular forces

Acids, Bases and Chemical Equations

Common reactions of acids and bases, how to distinguish from redox reactions and constructing and balancing common chemical equations and ionic equations.

Lessons

Topic checklist Video: types of reaction Video: ionic equations Video: redox and half-equations Practice questions and answers Exam masterclass recording

Enthalpy changes

Calculating enthalpy changes from experiment, bond energy calculations, enthalpy change definitions and Hess cycles.

Lessons

Topic Checklist Video: enthalpy change experiments Video: enthalpy change definitions Practice questions and answers Exam masterclass recording

Organic chemistry: isomers and naming compounds

Organic chemistry: E/Z isomers and mechanisms

Redox 1

The first redox topic at A Level – covering balancing half equations, definitions of redox and some group chemistry

Lessons

Topic Checklist Long answer walkthrough: reactions of halogens Video: redox half equations Video: testing for anions Practice questions and answers Exam masterclass recording

Alcohols, aldehydes and ketones

Kinetics and Equilibria 1

The kinetics and equilibria covered in the AS syllabus – collision theory, Maxwell Boltzman graphs, Le Chatelier’s Principle and simple Kc calculations.

Lessons

Topic checklist Notes on kinetics Notes on equilibria Practice questions and answers Exam masterclass recording

Organic analysis 1