Edexcel IAL A2 Chemistry.

Lesson 01

Rate equations and order of reaction

Lesson 02

Determining orders from experimental data

Lesson 03

Rate constants — units and temperature dependence

Lesson 04

The Arrhenius equation and activation energy

Lesson 05

The rate-determining step and reaction mechanisms

Lesson 06

Kinetics II — exam-style problem solving

Lesson 07

Entropy and the second law of thermodynamics

Lesson 08

Predicting feasibility with ΔG = ΔH − TΔS

Lesson 09

Effect of temperature on reaction feasibility

Lesson 10

The equilibrium constant Kc and expressions

Lesson 11

Calculating Kc from equilibrium concentrations

Lesson 12

Kp for gaseous equilibria — partial pressures

Lesson 13

Effect of temperature, pressure and catalysts on Kc/Kp

Lesson 14

Brønsted–Lowry acids and bases and conjugate pairs

Lesson 15

pH and the hydrogen ion concentration

Lesson 16

pH of strong acids and strong bases

Lesson 17

Weak acids and the acid dissociation constant Ka

Lesson 18

pKa and its relationship to Ka

Lesson 19

Buffer solutions — composition and mode of action

Lesson 20

Buffer calculations using Henderson–Hasselbalch

Lesson 21

Titration curves and choice of indicator

Lesson 22

Kw, temperature and pH of pure water

Lesson 23

Aldehydes and ketones — structure and naming

Lesson 24

Oxidation of aldehydes and identification tests

Lesson 25

Reduction of carbonyls with NaBH₄

Lesson 26

Nucleophilic addition of HCN to carbonyls

Lesson 27

The iodoform reaction and methyl ketone test

Lesson 28

2,4-DNPH derivatives and melting point identification

Lesson 29

Carboxylic acids — properties and acidity

Lesson 30

Esterification and reactions with acid anhydrides

Lesson 31

Hydrolysis of esters — acid and base catalysed

Lesson 32

Acyl chlorides — formation and reactions

Lesson 33

Amides — formation from acyl chlorides

Lesson 34

Triglycerides, soaps and biodiesel

Lesson 35

Optical isomerism and chirality

Lesson 36

E/Z isomerism and CIP priority rules

Lesson 37

Stereochemistry in organic mechanisms

Lesson 38

Organic synthesis pathways covered in Unit 4

Lesson 39

Unit 4 equilibria — synoptic review

Lesson 40

Unit 4 mechanisms — synoptic review

Lesson 41

Standard electrode potentials — introduction

Lesson 42

Measuring electrode potentials and the SHE

Lesson 43

Electrochemical cells and EMF calculations

Lesson 44

Predicting feasibility from E°cell

Lesson 85

Core Practical 4: Preparation of an organic solid

Lesson 86

Core Practical 5: Redox titration using an indicator

Lesson 87