OCR • Chemistry A

In depth notes which helped me achieve high grades for chemistry at A-level

This document includes all the exam questions on organic synthesis and link topics from . The mark scheme is attached at the end of each document.

This document includes all the exam questions on organic synthesis and link topics from 2016-2022. The mark scheme is attached at the end of each document.

This summary sheet provides a detailed revision of Benzene and Phenols, taken from the OCR A-Level Chemistry textbook, although the material is applicable to any exam board. There are key diagrams and explanations of the necessary material required for the exam, including: - revision of Kekulé's structure and its problems - naming benzene - delocalised model of benzene - benzene reactions (incl. electrophilic substitution & halogenation) - Friedel-Crafts (alkylation & acylation) - ex...

This summary sheet provides a detailed revision of Carbonyls and Carboxylic Acids, taken from Chapter 26 of the OCR A-Level Chemistry textbook, although the material is applicable to any exam board. This revision sheet consists of a concise and clear summary of the Aldehydes and Ketones, including: their oxidation and reduction reactions, and testing using Tollens' Reagent. This is followed by the reactions and relevant tests for Carboxylic Acids, Esterification, the Hydrolysis of an Ester w...

This summary sheet provides a detailed revision of Amines taken from Module 6 of the OCR A-Level Chemistry textbook, although the material is applicable to any exam board. There are key definitions and diagrams followed by an explanation of how Amines are named, Primary, Secondary and Tertiary Amines, Making Amines and a description of how Amines form dative covalent bonds. There's also revision of the formation of Aromatic Amines and thorough description of the Reduction of a Nitrile. I...

This summary sheet provides a detailed revision of Polymers, Amino Acids and Amides from Module 6 of the OCR A-Level Chemistry textbook, although the material is applicable to any exam board. There are key definitions, diagrams and tables followed by detailed explanations of the reactions of the amine group and the carboxylic acid group. This revision sheet covers chirality, naming amides, the formation of polyesters & polyamides and revision of condensation polymerisation. I'd recommend ...

Unlock Your A-Level Chemistry Success with Comprehensive A* OCR A Notes - Well Proven! Are you a dedicated A-level Chemistry student seeking top-notch study materials that guarantee excellent results? We present to you our meticulously crafted and comprehensive A-level Chemistry OCR A notes, designed to help you excel in your exams and achieve your academic goals. Our notes stand out from the rest due to their unparalleled quality, comprehensive coverage of the entire OCR A syllabus, exam-focuse...

This document provides detailed notes on transition metals and includes practice questions

This summary sheet provides a thorough explanation of Equilibrium from Chapter 19 of the OCR A-Level Chemistry textbook. The material covers Dynamic Equilibrium, Le Chatelier's Principle, Determining Kc and Kp, Mole Fractions, Partial Pressure and more...

These summary sheets combine all chapters on Enthalpy from the OCR A-Level Chemistry textbook, however the material is applicable from any exam board. The content in these revision sheets cover every key definition required, including bond enthalpy, activation energy, standard enthalpy of combustion, lattice enthalpy, standard enthalpy of formation and electron affinity. The material also includes Hess's Law and Hess Cycles, measuring Enthalpy change, Born-Haber Cycles, Enthalpy Change in...

This revision sheet summarises the content taught in Chapter 10, Rates of Reaction, from the OCR A-Level Chemistry textbook. Although the material is applicable to any exam board. Detailed explanation of the Factors Affecting Rate, the Maxwell-Boltzmann Distribution, Exothermic and Endothermic Reactions. The content is covered through clear and concise notes, relevant diagrams and graphs to visualise the information, useful examples and some space for your own annotations. I also have a...

This summary sheet provides a thorough explanation of Rates of Reaction, taken from Chapter 18 of the OCR A-Level textbook, although the material is applicable to any exam board. The material in the revision sheet covers Orders of Reaction (first order, second order, overall order), Rate Determining Step, Initial Rate method, Half Lives and the Arrhenius Equation. This summary will provide you with all the key definitions required, detailed explanations, a table summary orders of reaction ...

This summary sheet provides a detailed revision of Acids, Bases and pH, taken from Chapter 20 of the OCR A-Level Chemistry textbook, although the material is applicable to any exam board. There are key definitions followed by an explanation of Conjugate Acids & Bases, Ka Calculations, the significance of pKa & Kw, and a page of worked examples with clear steps. I'd recommend using summary sheets in conjunction with practice papers to make the most out of your revision. If you'd like any...

This revision sheet provides an in-depth revision of Buffers and Neutralisation, Chapter 21 of the OCR A-Level Chemistry textbook, although this material would be applicable to any exam board. This sheet consists of thorough revision of Buffer Solutions, Titration Curves, Buffer Calculations, Indicators, Diprotic Acids & Bases, Buffers in the body. The material is covered through concise explanations, examples, key definitions, diagrams, clear calculations and a few practice questions to d...

This revision sheet summarises Chapter 24 of the OCR A-Level Chemistry Textbook, although it would be applicable for any exam board. This summary provides comprehensive notes of the Properties of the Transition Elements, Variable Oxidation States and Complex Ions in an easy to understand format. There are also thorough explanations of Complex Ions, Transition Metals as Catalysts, Precipitation Reactions, Stereoisomerism in Transition Metal Complexes and Ligand Substitution. This double-...

This summary sheet studies Chapter 23 of the A-Level Chemistry OCR A Textbook on Redox and Electrode Potentials. The following topics are covered on this revision sheet: Balancing Redox equations, Manganate Titration, Iodine/Thiosulfate Redox Titration, Electrode Potentials, Half Cells, Predictions of Standard Electrode Potentials, Measuring a Standard Electrode Potential, Calculating Standard Electrode Potential, Limitations, Storage + Fuel Cells (primary and secondary cells), and Hydrogen F...

This compact summary sheet provides revision of the Alkanes, Organic Chemistry. Starting with Sigma bonds and the Properties of Alkanes, this revision aid describes Boiling Point variations followed by the Reactions of the Alkanes, Combustion, Free-Radical Substitution (Initation, Propogation, Termination) and the limitations of this. Everything is all explained through clear diagrams, appropriate examples, practice questions to test understanding and some space for your own annotations. ...

This revision sheet summarises the Alkenes, with a detailed explanation of pi-bonds, relevant diagrams and definitions followed by revision of Stereoisomerism, Polymerisation, Addition, Hydrogenation, Halogenation and Hydration Reactions of the Alkenes. This study resource also provides an in-depth description of Electrophilic Addition with suitable examples and diagrams, as well as revision of Markownikoff's Rule. Further, there's a section on Polymerisation, the Environmental Concerns ...

This summary sheet provides revision of the Physical Properties of the Alcohols, Hydrogen Bonding in the Alcohols, Reactions of the Alcohols (including oxidation and combustion), Classifying Alcohols, Dehyration Reactions and Substitution with Hydrogen Halides. This revision resource contains clear diagrams, a useful explanation of the reactants and conditions for each reaction, key definitions and some space for your own annotations and notes. I'd recommend using summary sheets for memor...