Chemistry 7405

12 sections available · 47 chapters available

Free Chemistry 7405 study notes for AQA A Level students. Each chapter covers a key topic with examples and practice prompts you can continue inside the thinka app.

Physical chemistry

    Physical chemistry: core (3.1.1-3.1.7)

    • Atomic structure

    • Amount of substance

    • Bonding

    • Energetics

    • Kinetics

    • Chemical equilibria, Le Chatelier's principle and Kc

    • Oxidation, reduction and redox equations

    Inorganic chemistry

      Physical chemistry: A-level only (3.1.8-3.1.12)

      • Thermodynamics

      • Rate equations

      • Equilibrium constant Kp for homogeneous systems

      • Electrode potentials and electrochemical cells

      • Acids and bases

      Organic chemistry

        Practical skills

          Inorganic chemistry (3.2)

          • Periodicity

          • Group 2, the alkaline earth metals

          • Group 7(17), the halogens

          • Properties of Period 3 elements and their oxides

          • Transition metals

          • Reactions of ions in aqueous solution

          Organic chemistry: foundations (3.3.1-3.3.6)

          Organic chemistry: A-level only (3.3.7-3.3.12)

          Biological molecules, synthesis and spectroscopy (3.3.13-3.3.16)

          • Amino acids, proteins and DNA

          • Organic synthesis

          • Nuclear magnetic resonance spectroscopy

          • Chromatography

          Practical skills and required practicals 1-6

          • Practical skills assessed in written papers (PS 1.1-4.1, AT a-l)

          • Required practical 1: Make up a volumetric solution and carry out a simple acid-base titration

          • Required practical 2: Measurement of an enthalpy change

          • Required practical 3: Investigation of how the rate of a reaction changes with temperature

          • Required practical 4: Test-tube reactions to identify cations and anions

          • Required practical 5: Distillation of a product from a reaction

          • Required practical 6: Tests for alcohol, aldehyde, alkene and carboxylic acid

          Required practical activities 7-12

          • Required practical 7: Measuring the rate of reaction by initial rate and continuous monitoring

          • Required practical 8: Measuring the EMF of an electrochemical cell

          • Required practical 9: pH changes for weak acid with strong base and strong acid with weak base

          • Required practical 10: Preparation of a pure organic solid and a pure organic liquid

          • Required practical 11: Test-tube reactions to identify transition metal ions in aqueous solution

          • Required practical 12: Separation of species by thin-layer chromatography

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