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Edexcel A-level Chemistry

Edexcel Chemistry (9CH0)14 topics164 lessons

Free Edexcel A-level Chemistry revision for Edexcel Chemistry (9CH0): 14 topics and 164 short lessons, each with R.E.C.I.P.E. recall steps and a quiz. The topics follow the Edexcel specification.

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1. Rate of Reaction

11 lessons

  1. The Rate of a Reaction
  2. Measuring Reaction Rates
  3. Experimental Determination of the Rate of Reaction
  4. The Rate Equation
  5. The Order of a Reaction
  6. The Rate Constant k
  7. Worked Example
  8. Half-Lives and Reaction Rate Graphs
  9. The Rate Determining Step
  10. Catalysts
  11. The Effect of Temperature and Catalysts on the Rate Constant.

2. Equilibria

6 lessons

  1. Dynamic Equilibria
  2. Homogenous and Heterogenous Equilibria and Kc
  3. Finding the Value of Kc
  4. The Effect of Temperature on Kc
  5. Catalysts and Kc
  6. Partial Pressures and Kp

3. Acids, Bases and Buffers

16 lessons

  1. Acids and Bases
  2. Acids and Bases
  3. Conjugate Acid-Base Pairs
  4. Strong and Weak Acids and Bases
  5. The Acid Dissociation Constant Ka
  6. pH
  7. Calculating the pH of a Strong Acid
  8. Calculating the pH of a Weak Acid
  9. The Ionic Product of Water Kw
  10. Calculating the pH of a Strong Base
  11. Buffer Solutions
  12. pH of a Buffer Solution
  13. Controlling the pH of Blood
  14. Titration Curves
  15. Acid-Base Indicators
  16. Standard Enthalpy of Neutralisation

4. Lattice Enthalpy

10 lessons

  1. The Standard Enthalpy Change of Formation
  2. The Standard Enthalpy Change of Atomisation
  3. First Ionisation Energy
  4. First Electron Affinity
  5. First Electron Affinity
  6. Born-Haber Cycles
  7. Born-Haber Cycle for Sodium Oxide
  8. Born-Haber Cycle for Calcium Chloride
  9. Enthalpy Change of Hydration
  10. Enthalpy Change of Solution

5. Entropy

6 lessons

  1. Entropy
  2. The Second Law of Thermodynamics
  3. The Entropy Change of a System
  4. The Effect of Temperature on Entropy
  5. The Entropy Change of the Surroundings
  6. Spontaneous Reactions and Gibbs Free Energy

6. Electrochemistry

14 lessons

  1. Oxidation and Reduction
  2. Ionic Equations
  3. Electrochemical Half Cells
  4. Electrochemical Cells
  5. The Standard Hydrogen Half Cell
  6. Standard Electrode Potential Eθ and the Electrochemical Series
  7. Calomel Electrode
  8. Standard Cell Potentials Eθcell Values and Electrochemical Cells
  9. Non-Standard Conditions
  10. Cell Diagrams
  11. Thermodynamic Feasibility of a Reaction and the Extent of a Reaction
  12. Electrochemical Cells
  13. Rechargeable Batteries
  14. Alkaline Fuel Cells

7. Transition Metals

21 lessons

  1. Transition Metals
  2. Properties of Transition Metals
  3. Complex Ions
  4. Shapes of complex ions
  5. Isomerism
  6. Formation of Coloured Ions
  7. Spectroscopy
  8. Ligand Substitution Reactions
  9. Vanadium
  10. Tollens Reagent
  11. Redox Potential
  12. Redox Titrations
  13. Heterogeneous Catalysts
  14. Homogeneous Catalysts
  15. Autocatalysis
  16. Hydration of Metal Ions
  17. Reaction with Ammonia Solution
  18. Reaction with Sodium Hydroxide
  19. Reaction with Sodium Carbonate
  20. Test for Transition Metal Ions
  21. Questions

8. Chirality

6 lessons

  1. Chirality
  2. Optical Isomers
  3. Plane-Polarised Light
  4. Racemic Mixtures
  5. Racemates from Nucleophilic Addition
  6. Identifying Chiral Centres

9. Carbonyl Compounds

11 lessons

  1. Aldehydes and Ketones
  2. Naming Carbonyl Compounds
  3. Physical Properties of Carbonyls
  4. Oxidation of Aldehydes
  5. Tollens' Reagent
  6. Fehling's and Benedict's Solutions
  7. Iodoform Reaction
  8. 2,4-DNPH Test
  9. Reduction with LiAlH4
  10. Reaction with HCN
  11. Nucleophilic Addition Mechanism

10. Carboxylic Acids and Derivatives

12 lessons

  1. Carboxylic Acids
  2. Physical Properties of Carboxylic Acids
  3. Preparation of Carboxylic Acids
  4. Reduction of Carboxylic Acids
  5. Reactions with Bases
  6. Reaction with PCl5
  7. Esterification
  8. Acyl Chlorides
  9. Reactions of Acyl Chlorides with Water, Alcohols, Ammonia and Amines
  10. Esters
  11. Hydrolysis of Esters
  12. Polyesters

11. Arenes

13 lessons

  1. Benzene
  2. The Kekulé Model
  3. The Delocalised Model of Benzene
  4. Evidence for Delocalisation
  5. Combustion of Benzene
  6. Electrophilic Substitution
  7. Bromination of Benzene
  8. Nitration of Benzene
  9. Friedel-Crafts Alkylation
  10. Friedel-Crafts Acylation
  11. Phenol
  12. Reaction of Phenol with Bromine Water
  13. Why Phenol is More Reactive than Benzene

12. Amines, Amides, Amino Acids and Proteins

12 lessons

  1. Amines
  2. Basicity of Amines
  3. Preparation of Aliphatic Amines
  4. Preparation of Phenylamine
  5. Reactions of Amines with Acids and Acyl Chlorides
  6. Reactions of Amines with Copper(II) Ions
  7. Amides
  8. Condensation Polymers - Polyamides
  9. Amino Acids
  10. Zwitterions and Isoelectric Points
  11. Peptides and Proteins
  12. Chromatography of Amino Acids

13. Organic Synthesis

11 lessons

  1. Grignard Reagents
  2. Preparing Grignard Reagents
  3. Grignard Reagents and Carbon Dioxide
  4. Grignard Reagents and Carbonyl Compounds
  5. Organic Synthesis
  6. Synthetic Routes
  7. Practical Techniques - Heating under Reflux
  8. Recrystallisation
  9. Melting and Boiling Point Determination
  10. Hazards and Risks in Organic Synthesis
  11. Planning a Multi-Step Synthesis

14. Modern Analytical Techniques

15 lessons

  1. High Resolution Mass Spectrometry
  2. Precise Molecular Mass
  3. Chromatography
  4. Thin-Layer Chromatography
  5. High Performance Liquid Chromatography
  6. Gas Chromatography
  7. Retention Times
  8. Nuclear Magnetic Resonance
  9. Chemical Shift
  10. 13C NMR Spectroscopy
  11. 1H NMR Spectroscopy
  12. Integration Traces
  13. Spin-Spin Splitting
  14. The n+1 Rule
  15. Deducing Structures from Combined Data