The revision guides are split into six modules. The first module is practical work and I have written no guides for that.
Practical Guide OCR (updated February 2021)
Module 2
2.1.1 2.1.2 Atomic structure (updated February 2021)
2.1.3 amount of substance (updated January 2022 )
2.1.4 acids (updated November 2018)
2.2.2 Bonding and Structure (updated January 2022 )
Module 3
3.1.1 periodicity (updated November 2018)
3.1.2 Group 2 (updated November 2018)
3.1.3 halogens(updated November 2018)
3.1.4 Qualitative analysis(updated November 2018)
3.2.1 enthalpy changes (updated March 2019)
3.2.2 reaction rates (updated November 2018)
3.2.3 equilibrium (updated January 2022 )
Module 4
4.1.1 revision guides basic concepts and hydrocarbons (updated February 2021)
4.1.2 revision guide alkanes (updated November 2018)
4.1.3 revision guides alkenes (updated November 2018)
4.2.1 revision guide alcohols (updated February 2021)
4.2.2 revision guide haloalkanes (updated February 2021)
4.2.3 organic synthesis (updated February 2021)
4.2.4 revision guide analytical techniques (updated November 2018)
Module 5
5.1.1 revision guide how fast (updated January 2022 )
5.1.2 revision guide how far (updated January 2022 )
5.1.3 revision guide acids bases and buffers (updated January 2022 )
5.2.1 + 5.2.2 revision guide energy (updated November 2018)
5.2.3 revision guide redox and electrode potentials (updated January 2022 )
5.3.1 revision guide transition metals (updated February 2021)
5.3.2 revision guide Qualitative analysis (updated November 2018)
Module 6
6.1.1 revision guide aromatic compounds (updated February 2021)
6.1.2 revision guide carbonyls(updated December 2019)
6.1.3 revision guide carboxylic acids and esters(updated November 2018)
6.2.1 revision guide amines (updated February 2021)
6.2.2 revision guides amino acids amides (updated February 2021)
6.2.3 revision guides polyesters and polyamides (updated February 2018)
6.2.4 revision guide carbon carbon bond formation (updated November 2018)
6.2.5 revision guides organic synthesis(updated November 2018)
6.3.1 revision guide chromatography and analysis(updated February 2018)
6.3.2 revision guide spectroscopy (updated February 2021)