OCR A level Chemistry: 25.4 Directing Group This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Naming positions on the aromatic ring Activating groups and deactivating groups 2-and-4-directing and 3-directing groups ortho-and-para directing and meta directing groups Two-step synthesis routes for benzene using directing groups. Nitration of benzene Halogenation of benzene Friedel-Crafts Alkylation of benzene

OCR A level Chemistry: 26.1 Carbonyl Compounds This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: The carbonyl group Differentiating between aldehydes and ketones Naming aldehydes and ketones Oxidation of aldehydes Electronegativity and polar bonds Electrophiles, nucleophiles, and nucleophilic addition reactions Reducing carbonyl compounds with sodium tetrahydridoborate(III) (NaH4) Primary and secondary alcohols from carbonyl compounds Reacting carbonyl compounds with hydrogen cyanide (HCN) Reaction mechanisms for nucleophilic addition using (NaBH4) Reaction mechanisms for nucleophilic addition using (HCN)

This PowerPoint presentation with worked examples and student questions covers: • Describing the limitations of the model: lack of forces between particles, size of particles, and space between the particles. • Mathematically comparing sizes and distances of particles

OCR A level Chemistry: 25.2 Electrophilic Substitution Reactions of Benzene This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Defining an electrophile Substitution reactions Nitration of Benzene Reaction mechanisms Halogenation of Benzene Common Halogen Carriers Friedel-Crafts Alkylation Reactions Acyl Chloride Acylation Reactions of Benzene Reactivity of Alkenes and Arenes

OCR AS Chemistry: 16.1 Practical Techniques in Organic Chemistry This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Heating under reflux Distillation Re-distillation Purifying Organic Products Removing impure acids from organic compounds Drying agents

OCR A level Chemistry: 25.3 The Chemistry of Phenol This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Naming phenols Distinguishing between phenols and alcohols Distinguishing between phenols and alkenes Distinguishing between phenols and carboxylic acids Phenol as a weak acid Electrophilic reactions with phenols Comparing and explaining the reactivity of phenols and benzene

OCR A level Chemistry: 26.3 Carboxylic Acids This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: The Carboxyl Group and polarity of bonds. Naming carboxylic acids Carboxylic acids as weak acids Reactions of carboxylic acids with: Metals Metal oxides Alkali Carbonates Changing solubility of carboxylic acids in water due to carbon chain length.

This PowerPoint presentation with worked examples and student questions covers: • Precipitation in chemical reactions • Definition of ions • Ionic Half equations • Dot and cross diagrams for electron structure • Introduction to full ionic equations and net ionic equations

This PowerPoint presentation with worked examples and student questions covers: • Rearranging Equations • Stoichiometry as relative abundances • Relative Atomic Mass, Relative Formula Mass and Molar Mass • Calculating the number of moles present • Conservation of mass

This PowerPoint presentation with worked examples and student questions covers: • Definition of technique for paper chromatography • Experimental procedure • Definitions of stationary and mobile phase • Application of Rf equation with examples and answers

This PowerPoint presentation with worked examples and student questions covers: • Solids, liquids, and gases • Scientific models as a concept

This PowerPoint presentation with worked examples and student questions covers: • Definitions of elements, isotopes, and ions • State mass number, atomic number, and chemical symbols • Calculate the number of neutrons

This PowerPoint presentation with worked examples and student questions covers: • State what is meant by mono- and poly-. • Describe polymerisation and the effects of cross-links in polymers. • Determine a polymer’s repeat units from a monomer’s structural formula.

This PowerPoint presentation with worked examples and student questions covers: • The position of metals and non-metals on the periodic table • The ions metals and non-metals form • The ion composition of solutions • Electrodes, cations and anions • The products of electrolysis of solutions • Keyword descriptions and revision tips

This PowerPoint presentation with worked examples and student questions covers: • Differences between physical and chemical changes • Explain why physical changes are generally easier to reverse

This PowerPoint presentation with worked examples and student questions covers: Definitions for solution, solute, solvent, insoluble, soluble. The technique of filtration The technique of crystallisation

This PowerPoint presentation with worked examples and student questions covers: • Changes of state • The technique of simple distillation • Concentration of solute increasing in distillation • Jobs related to chemistry • Key word test Insoluble, Soluble, Solvent, Solute, Solution, Distillation, Filtration, and Crystallisation

This PowerPoint presentation with worked examples and student questions covers: • Relative size of nanoparticles • Convert nanometres using standard form • Uses and dangers of nanoparticles

This PowerPoint presentation with worked examples and student questions covers: • Pathways into medical chemistry • State the number of atoms from a chemical formula. • Properties of metals and non-metals • Determine state symbols for chemical equations • Balancing chemical equations

This PowerPoint presentation with worked examples and student questions covers: • State the number of atoms from a chemical formula. • Relative Atomic masses and relative formula mass • Practical activity of non-closed chemical reactions.