AQA GCE AS level CHEMISTRY

(advanced subsidiary chemistry specification syllabus 7404)

 Doc Brown's Unofficial Support for AQA GCE AS level chemistry

AQA full A Level Chemistry (separate page)

Doc Brown's Chemistry Clinic - chemistry revision notes for the AQA GCE AS level chemistry course from September 2015 - UNOFFICIAL HELP for this AQA GCE AS level chemistry UK based Advanced Level Chemistry Courses

Next examinations in the summer of 2017 for AS level

Selected HELP links to my Advanced Level Chemistry revision notes based on the three index pages ...

[ORGANIC CHEMISTRY] * [INORGANIC CHEMISTRY] * [PHYSICAL-THEORETICAL CHEMISTRY]

PLEASE NOTE for students doing the AQA GCE AS level chemistry course.

  1. My notes are not in anyway to be an alternative to your teacher, your textbooks or lesson notes for the AQA GCE AS level chemistry course.
  2. BUT, sometimes a different presentation of a topic in your AQA GCE AS level chemistry course can help your understanding.
  3. SO, a little 'study supplement' to your academic diet is freely available online via doc brown's website.
  4. Scrolling down the page, you will find the links to my notes are organised to fit in with topic/unit/module headings in the order specified in the official syllabus-specification for the AQA GCE AS level chemistry course.
  5. More links will be added over the next year and the A level chemistry notes expanded to cover more topics in the AQA GCE AS level chemistry course.
  6. When following a link to potentially useful study material, also check out the sub-index links at the top or bottom of page.
  7. You will find the [Google Search Box] at the bottom of the page very useful for looking up aspects of your AQA GCE AS level chemistry course.
  8. I don't really have time to deliver extended responses to email questions, and do NOT ask for past papers for the AQA GCE AS level chemistry examinations though I will do my best to provide links to past papers as they appear on the AQA GCE AS level chemistry exam board website.
  9. I don't mind queries or comments on my web pages irrespective of their usefulness to the AQA GCE AS level chemistry examination course.

Summary of AQA GCE Advanced Level Subsidiary Chemistry AS Level Units and Contents Links

SPECIFICATION CONTENT


1 PHYSICAL CHEMISTRY


1.1 Atomic Structure (AQA GCE AS level chemistry)

Atomic structure, sub-atomic particles, Bohr model and isotopes

Mass spectrometry - introduction (including determination of relative atomic mass, molecular mass)

Electronic Structure of atoms and ionisation energies (7 sections on 3 linked pages) eg

Introduction to s p d f orbitals and electronic energy levels and order of filling of quantum levels

Working out electron configurations for atoms, setting them out in the 'modern' periodic table (also sections on ions and oxidation state)

Hydrogen spectrum, emission/absorption spectra, ionisation energies, evidence for quantum levels

Periodic Table - physical property trends in Period 3

Periodicity graphs for elements Z = 1 to 20. Period 1 to start of Period 4


1.2 Amount of Substance (AQA GCE AS level chemistry)

Chemical Calculations - Index (lots of pages to browse through, examples and quizzes on the basics!) eg

Introducing moles: The connection between moles, mass and formula mass - the basis of reacting mole ratio calculations (relating reacting masses and formula mass)

Using moles to calculate empirical formula and deduce molecular formula of a compound/molecule (starting with reacting masses or % composition)

Moles and the molar volume of a gas, Avogadro's Law - volumes of gases formed in reactions

Reacting gas volume ratios, Avogadro's Law and Gay-Lussac's Law (ratio of gaseous reactants-products)

PVT calculations and PV = nRT calculations

Molarity, volumes and solution concentrations (and diagrams of apparatus)

How to do acid-alkali titration calculations, diagrams of apparatus, details of procedures

% purity of a product * % reaction yield * atom economy * dilution of solutions

Acid-base and other non-redox titration questions (2 pages of questions with worked out answers)

Some Advanced A Level Practical Exercises and Calculations


1.3 Bonding (AQA GCE AS level chemistry)

Chemical bonding: Introduction and index

Electronegativity, bond polarity, type of chemical bonding

Chemical bonding: Ionic Bonding – compounds and properties

More on ionic structures and ionic bonding

Working out electron configurations for atoms and ions

Chemical bonding: Covalent Bonding – small simple molecules and their properties

More on covalent bonding - dative covalent bonding

Introduction to shapes of molecules - VSEPR theory - lots of inorganic molecule/ion examples

Some other shapes of molecules/ions of carbon, nitrogen, sulfur and chlorine

The shapes and bond angles of organic molecules

Introduction to intermolecular forces - intermolecular bonding

Detailed comparative discussion of boiling points of 8 organic molecules

Boiling point plots for six organic homologous series and explaining the trends and differences

Other case studies of boiling points related to intermolecular forces for a variety of compounds

Evidence and theory for hydrogen bonding in simple covalent hydrides

Chemical bonding: Covalent Bonding: macromolecules and giant covalent structures and  Graphene

Chemical bonding: Metallic Bonding - structure and properties of metals

Types of Crystal Structure and their relative physical properties


1.4 Energetics (AQA GCE AS level chemistry)

Energetics - introduction to enthalpy changes (4 linked pages including practical methods of calorimetry)

Reversible reactions and energy changes

Activation energy and reaction profiles

Introduction to bond energy/enthalpy calculations

Calorimetry methods and energy transfer calculations from calorimeter results

Energetics - detailed notes on enthalpy changes (6 linked pages and question page)

ΔH Enthalpy Changes

Advanced level introduction to enthalpy changes – enthalpies of reaction, formation, combustion

Thermochemistry – Hess's Law and enthalpy calculations using enthalpies of reaction, combustion & formation

Bond enthalpy calculations

Calorimetric experimental methods for determining enthalpy changes and treatment of results

Some enthalpy data patterns

The combustion of linear alkanes and linear aliphatic alcohols

Energetics - basic enthalpy changes questions with worked out answers


1.5 Kinetics (AQA GCE AS level chemistry)

Kinetics Index lots of pages to peruse e.g.

How can we measure the speed or rate of a chemical reaction?

Collision theory of chemical reactions (see also individual factors)

Activation energy and reaction profiles

The Maxwell-Boltzmann distribution of molecular kinetic energies (related to temperature and catalyst rate factors)

Effect on rate of changing the temperature of reactants

Effect on rate of changing reactant concentration in a solution/gas mixture

Effect on rate of changing pressure in reacting gases (gaseous equivalent of concentration)

Effect on rate of using a catalyst in a chemical reaction (See Maxwell-Boltzmann link too)

Heterogeneous and homogeneous catalysis mechanisms


1.6 Chemical equilibria, Le Chatelier’s principle and Kc (AQA GCE AS level chemistry)

Chemical equilibria  introduction - reversible reactions, dynamic equilibrium and Le Chatelier's Principle (practical examples described)

How to write K expressions and the effect of temperature on the equilibrium constant

Chemical equilibria - writing Kc expressions and doing equilibrium expression calculations (examples described including esterification)

Chemical equilibria - applying Le Chatelier's Principle to Industrial Processes


1.7 Oxidation, reduction and redox equations (AQA GCE AS level chemistry)

Basic introduction to redox reactions (but only the electron definitions important at A level)

Oxidation states and Redox reactions


2 INORGANIC CHEMISTRY (AQA GCE AS level chemistry)


2.1 Periodicity (AQA GCE AS level chemistry)

Periodic Table - electronic basis - electron configurations of elements

Periodic Table: Describing and explaining the physical property trends in Period 3


2.2 Group 2, the alkaline earth metals (AQA GCE AS level chemistry)

Periodic Table - s-block including detailed notes on Group 2 Alkaline Earth Metals - introduction

Oxides of s–block metals, water reaction & hydroxides, acid reaction & salts, chlorine reaction & halides

Carbonates & hydrogencarbonates, solubility trends, uses of s–block metals and their compounds

Periodic Table - Important trends down a group (including group 2)


2.3 Group 7(17), the halogens (AQA GCE AS level chemistry)

Periodic table - Group 7/17 Halogens - Introduction 

Halogen displacement reactions and reactivity trend

Reactions of halogens with other elements - halides

Reaction between halide salts and conc. sulfuric acid

Tests for halogens and halide ions

Uses of halogens & their compounds


3 ORGANIC CHEMISTRY (AQA GCE AS level chemistry)


3.1 Introduction to organic chemistry (AQA GCE AS level chemistry)

Functional Groups, organic molecule structure & representation & organic homologous series

Alkanes - molecular structure and naming (with quizzes)

Alkanes - Multiple choice Quiz on the structure and naming (nomenclature) of ALKANES

Alkanes - Type in name  Quiz on the structure & naming of ALKANES (and naming cycloalkanes)

Alkenes - molecular structure and naming (with quizzes)

Alkenes - Multiple choice Quiz on their structure and naming

Alkenes - Type in name Quiz on their nomenclature

Halogenoalkanes - naming and structure (3 linked pages and quizzes)

Halogenoalkanes - Multiple choice Quiz on their structure and naming (nomenclature)

Halogenoalkanes - Type in name Quiz on their nomenclature

Alcohols - molecular structure and naming (2 pages, with quizzes)

Organic chemistry mechanisms - an introduction and technical terms explained

Isomerism in organic chemistry: introduction, type definitions, examples explained (several useful pages on types of structural and stereoisomerism)

General Quiz on type of organic molecule, recognition based on structure and recognition of functional groups

A bumper multiple choice quiz on naming aliphatic compounds

A bumper type in name quiz on naming aliphatic compounds

Matching pair quiz on hydrocarbon structure

Shapes of organic molecules and bond angles


3.2 Alkanes (AQA GCE AS level chemistry)

Alkanes - molecular structure and naming (with quizzes)

Alkanes - Multiple choice Quiz on the structure and naming (nomenclature) of ALKANES

Alkanes - Type in name  Quiz on the structure & naming of ALKANES (and naming cycloalkanes)

Alkanes - fractional distillation of crude oil & uses of fractions

Alkanes - Cracking - a problem of supply and demand, other products

Alkanes - complete combustion and incomplete combustion - pollution etc.

Alkanes - free radical chlorination/bromination mechanism to give halogenoalkanes


3.3 Halogenoalkanes (AQA GCE AS level chemistry)

Halogenoalkanes - naming and structure (3 linked pages and quizzes)

Halogenoalkanes - Multiple choice Quiz on their structure and naming (nomenclature)

Halogenoalkanes Type in name Quiz on their nomenclature

Halogenoalkanes - free radical chlorination/bromination mechanism of alkanes to give halogenoalkanes

Halogenoalkanes - Nucleophilic substitution by water/hydroxide ion

Halogenoalkanes - Nucleophilic substitution by cyanide ion to give a nitrile

Halogenoalkanes - Nucleophilic substitution by ammonia/primary amine to give primary/secondary amines etc.

Halogenoalkanes - Elimination of hydrogen bromide to form alkenes

Ozone depletion due to CFCs


3.4 Alkenes (AQA GCE AS level chemistry)

Alkenes - molecular structure and naming (with quizzes)

Alkenes - Multiple choice Quiz on their structure and naming

Alkenes - Type in name Quiz on their nomenclature

Alkenes - introduction to their chemistry and electrophilic addition reactions & polymerisation (5 linked pages)

Polymers - the basics of addition polymer chemistry and uses


3.5 Alcohols (AQA GCE AS level chemistry)

Alcohols - molecular structure and naming (2 pages, with quizzes)

Alcohols - Multiple choice Quiz on their structure and naming

Alcohols - Type in name Quiz on their nomenclature

Alcohols - Ethanol, manufacture, physical properties and introduction to its chemical reactions

Biofuels & alternative fuels, hydrogen, biogas, biodiesel

Alcohols - oxidation to give aldehydes, ketones or carboxylic acids (sections 9.1 to 9.3)

Alcohols - elimination of water to give an alkene


3.6 Organic analysis (AQA GCE AS level chemistry)

Functional Groups - Qualitative Analysis Tests for organic functional groups (use alphabetical index)

Mass spectrometry - introduction (including determination of molecular mass)

 
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The NEW A Level Chemistry Courses that started in September 2015

AQA GCE AS level chemistry * AQA A Level Chemistry * Edexcel AS level chemistry * Edexcel A level Chemistry

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