OCR AS Chemistry A
Exam Questions By Topic

Moles Determination, Acid-Base Titration, Determination of Enthalpy Changes, Reaction - Magnesium & Hydrochloric Acid

Qualitative Analysis of Ions, Synthesis of a Haloalkane, Preparation of Cyclohexene, Oxidation of Ethanol, Hydration of Hex-1-ene

Atomic Structure & Isotopes, Atomic Structure & Mass Spectrometry, Compounds, Formulae & Equations

Amount of Substance, Determining Formulae, Reaction Calculations, The Ideal Gas Equation, Percentage Yield & Atom Economy

Acids, Acid-base Titrations, Redox

Electron Structure, Ionic Bonding & Structure, Covalent Bonding & Structure

The Shapes of Simple Molecules & Ions, Electronegativity & Bond Polarity, Intermolecular Forces

Periodicity, Ionisation Energy, Structure & Physical Properties

Group 2 Elements, Group 2 Compounds

The Halogens, Uses of Chlorine, Qualitative Analysis

Enthalpy Changes, Calorimetry, Bond Enthalpies, Hess' Law

Simple Collision Theory, Catalysis, The Boltzmann Distribution

Dynamic Equilibrium, Le Chatelier’s Principle, The Equilibrium Constant, Kc

Chemical Names & Formulae, Functional Groups, Structural Isomerism, Reaction Mechanisms

Introduction to Alkanes, Reactions of Alkanes, Free Radical Substitution of Alkanes

Introduction to Alkenes, Stereoisomerism in Alkenes, Addition Reactions of Alkenes, Electrophilic Addition, Polymers from Alkenes

Properties of Alcohols, Reactions of Alcohols

Reactions of Haloalkanes, Nucleophilic Substitution of Haloalkanes, Hydrolysis of Primary Haloalkanes, Environmental Concerns of Organohalogen Use

Techniques, Synthetic Routes

Infrared Spectroscopy, Mass Spectrometry, Combined Techniques