Edexcel A Level Chemistry Unit 5 Homework

This qualification allows clear progression to further study by giving students the knowledge and skills required at university for subjects such as chemistry, medicine or chemical engineering.

The specification is split into three areas: Physical, Organic and Inorganic chemistry, mirroring the way that universities often split the content.

Students must carry out 10 required practical activities in the course. The practicals are not constrained, allowing each school to choose resources and equipment that best suit their circumstances.

Practicals in this specification include investigating enthalpy changes, making products and testing for different functional groups. Exam questions will be asked on the practicals, but there is no coursework or practical exam.

A range of question styles are used. Extended calculation questions allow students to demonstrate both their maths skills and logical thinking. Extended writing questions allow students to demonstrate the depth of their knowledge. In addition, multiple choice questions are included at the end of the papers, allowing students to manage their time.

This qualification is available for teaching now in Bahrain, China, Egypt, Indonesia, Jordan, Kuwait, Malaysia, Oman, Qatar, Saudi Arabia, Singapore, Thailand and the United Arab Emirates.


Unit 1: Inorganic 1 and Physical 1 (AS)
Unit 2: Organic 1 and Physical 1 (AS)

Unit 3: Inorganic 2 and Physical 2 (A2)
Unit 4: Organic 2 and Physical 2 (A2)
Unit 5: Practical and synoptic (A2)


  • Candidates may re-sit a unit any number of times.
  • The best result for each unit will count towards the final qualification.

Syllabus summary

Physical chemistry

  • Atomic structure
  • Amount of substance
  • Bonding
  • Energetics
  • Kinetics
  • Chemical equilibria, Le Chatelier's principle and Kc
  • Oxidation, reduction and redox equations
  • Thermodynamics (A-level only)  
  • Rate equations (A-level only)
  • Equilibrium constant Kp for homogeneous systems (A-level only)
  • Electrode potentials and electrochemical cells (A-level only)
  • Acids and bases (A-level only)  

Inorganic chemistry

  • Periodicity
  • Group 2, the alkaline earth metals
  • Group 7(17), the halogens
  • Properties of Period 3 elements and their oxides
  • Transition metals (A-level only)
  • Reactions of ions in aqueous solution (A-level only)

Organic chemistry

  • Introduction to organic chemistry
  • Alkanes
  • Halogenoalkanes
  • Alkenes
  • Alcohols
  • Organic analysis
  • Optical isomerism (A-level only)
  • Aldehydes and ketones (A-level only)
  • Carboxylic acids and derivatives (A-level only)
  • Aromatic chemistry (A-level only) 
  • Amines (A-level only)  
  • Polymers (A-level only)  
  • Amino acids and proteins (A-level only)  
  • Organic synthesis (A-level only)  
  • Nuclear magnetic resonance spectroscopy (A-level only)  
  • Chromatography (A-level only)

Download the complete OxfordAQA International AS / A-level Chemistry specification (PDF, 882 KB).

Resources available with this specification

OxfordAQA provides the resources and advice you need to teach the International AS / A-level Chemistry specification effectively.

Science taster webinar recordings

Watch a recording of our Science taster webinar from November 2017 to understand our approach to the specification and assessment approach.

Science recorded webinar

Practical Handbook

Get all the help you need to undertake practicals with your class. This guide harmonises the rules and guidance for A-level Biology, Chemistry and Physics, and includes a full glossary of terms.

Subject specific vocabulary

Ensure that everyone is using scientific language correctly with this list of word definitions used in our international A-level science specifications and exam papers (based on ‘The Language of Measurement’ produced by the Association of Science Education).

Specimen Papers and Mark Schemes

See how the International AS / A-level Chemistry specification will be assessed, so you can help your students prepare to sit their exams.


Exampro is an online database of AQA past questions mapped to the new international qualifications, enabling teachers to create their own resources and assessments.

Schools will be given an Exampro username and password when they are approved to teach our qualifications. If you have these you can log in now. If your school is approved to teach our qualifications and you do not know your username and password, contact us.

Enhanced Results Analysis™ tool

Our free Enhanced Results Analysis™ tool (ERA™) gives you instant analysis of your students' results. You’ll see how students performed in each unit and topic, and the marks they received for each question. This allows you to see which questions proved the most challenging, or how different classes performed, so you know what areas to focus on in following years. ERA™ is available after results are published.

Find out more about ERA™

Download this specification


(PDF, 882 KB)

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