Exam Dates: 

Periodic table, elements and physical chemistry 2 h 15 min Tue 2 June am 

Synthesis and analytical techniques 2 h 15 min Tue 9 June am 

Unified chemistry 1 h 30 min Mon 15 June am  

Core Revision Websites

Chemguide – explanations and theory
https://www.chemguide.co.uk/

Physics & Maths Tutor – exam questions and practice
https://www.physicsandmathstutor.com/chemistry-revision/a-level-ocr-a/

A good revision routine is:

1. Learn/review the content using Chemguide.

2. Practise exam questions using Physics & Maths Tutor.

Module 2 – Foundations in Chemistry

Topics include the fundamental concepts that underpin the whole course.

Key areas:

• Atomic structure and isotopes

• Amount of substance (moles)

• Formulae and equations

• Redox reactions

• Bonding and structure

Recommended resources:

Use Chemguide to review the theory behind bonding, atomic structure and mole calculations.

Then use Physics & Maths Tutor – OCR A Module 2 topic questions for exam-style practice.

 Module 3 – Periodic Table and Energy

This module covers periodic trends and key physical chemistry ideas.

Key areas:

• Periodicity

• Group 2 (alkaline earth metals)

• Halogens

• Enthalpy changes

• Hess cycles and bond enthalpy

• Equilibrium

Recommended resources:

Review concepts using Chemguide, particularly the pages on periodicity, energetics and equilibrium.

Then practise questions using Physics & Maths Tutor – OCR A Module 3 resources.

 Module 4 – Core Organic Chemistry

This introduces the core reactions and analytical techniques in organic chemistry.

Key areas:

• Alkanes and alkenes

• Haloalkanes

• Alcohols

• Organic synthesis basics

• Infrared spectroscopy

• Mass spectrometry

Recommended resources:

Use Chemguide to understand reaction mechanisms and functional group chemistry.

Use Physics & Maths Tutor – OCR A Module 4 questions to practise exam problems.

 Module 5 – Physical Chemistry and Transition Elements

This is one of the more challenging parts of the course.

Key areas:

• Reaction rates

• Equilibrium constants

• Acids, bases and buffers

• Entropy and Gibbs free energy

• Electrochemistry and electrode potentials

• Transition metals

Recommended resources:

Use Chemguide to review the underlying theory for physical chemistry and transition metal chemistry.

Then complete exam questions from Physics & Maths Tutor – OCR A Module 5.

 Module 6 – Organic Chemistry and Analysis

This module develops organic chemistry further and focuses on structural analysis.

Key areas:

• Aromatic chemistry (benzene reactions)

• Carbonyl compounds

• Carboxylic acids and esters

• Amines

• Polymer chemistry

• NMR spectroscopy

• Chromatography

Recommended resources:

Use Chemguide to understand organic reaction mechanisms and analytical techniques.

Then practise exam questions using Physics & Maths Tutor – OCR A Module 6 resources.