This PowerPoint presentation with worked examples and student questions covers: • Unsaturated hydrocarbons • Comparing alkanes and alkenes • Mnemonic device for naming alkenes • General formula for alkenes • Completing addition reactions for alkenes

This PowerPoint presentation with worked examples and student questions covers: • Functional groups of alcohols, alkanes, and alkenes. • Comparing incomplete and complete combustion of alcohols • Mnemonic device for naming alcohols • General formula for alcohols • Drawing the structural formula for alcohols

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

OCR A level Chemistry: 29.4 Proton NMR Spectroscopy This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Identifying the number of different proton environments Identifying the types of proton environment and chemical shifts Integration traces (area of peaks) and relative number of protons The spin-spin splitting pattern (n + 1)

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 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: • Functional groups of carboxylic acids, alcohols, alkanes, and alkenes. • Mnemonic device for naming carboxylic acids • General formula for carboxylic acids • Drawing the structural formula for carboxylic acids • Carboxylic acids as weak acids and • Acid reactions with bases, metals, and carbonates • Oxidation reactions from alcohols to carboxylic acids

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

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 activities covers: Topic 4.3 of Module 1: Science Fundamentals of the OCR Applied Science Spec. • Stating definitions and comparing structural isomers and stereoisomers. • Condensed structural formula • Lines of symmetry for structural isomers • Cis- and Trans isomers • Optical isomers as non-superimposable mirror images. • Wedge and Dash Notation • Identifying chiral centres (asymmetric carbons) • Le Bel-van’t Hoff rule • Determining the maximum number of isomers.

OCR AS Chemistry: 15.2 Organohalogen Compounds and the Environment This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Definitions for CFC (Chlorofluorocarbons) and HCFC (Hydachlorofluorocarbons) Creation of ozone Depletion of ozone with CFCs Reaction steps including initiations and propagation

OCR A level Chemistry: 27.3 Condensation Polymers This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Recap of addition polymerisation Identifying monomers and repeat units from condensation polymers Polyesters and ester links Polyamides and amide links Polyesters and polyamides formed from one monomer Polyesters and polyamide formed from two monomers Alkali hydrolysis of polyamides and polyesters Acid hydrolysis of polyamides and polyesters

This PowerPoint presentation with worked examples and student activities covers: Topic 4.4 of Module 1: Science Fundamentals of the OCR Applied Science Spec. Complex carbohydrates (starch, glycogen, cellulose) • Carbohydrates found as monosaccharides, disaccharides, or polysaccharides (monomers, dimers or polymers) • Monomers held together by glycosidic bonds to form dimers and polymers, via condensation reactions • Monosaccharides include glucose, fructose and galactose • Disaccharides include maltose, sucrose and lactose • Polysaccharides include starch, glycogen and cellulose • Cellulose is found in plant cell walls where it provides strength/support and pliability • Starch and glycogen are energy sources Proteins and peptides from amino acids • Dipeptides are formed from two amino acids joined by a peptide bond, via a condensation reaction • Polypeptides are chains of amino acids joined by peptide bonds • Proteins/polypeptides have physiological or functional roles, including enzymes, carrier proteins in the plasma membrane, and structural roles, including collagen and elastin fibres in connective tissue Lipids from fatty acids, glycerol and phosphorus compounds • Monoglycerides, diglycerides and triglycerides are esters of fatty acids and glycerol • An ester bond forms between each fatty acid and the glycerol, via condensation reactions • Phospholipids contain glycerol plus two fatty acids and a phosphate group • Lipids act as an energy source within cells, as an insulation layer around animal organs, in the myelin sheath (found around some nerve fibres/axons) to increase speed of nerve transmission • Phospholipids form a bilayer in the plasma membrane Protein synthesis (transcription, translation) RNA, messenger, ribosomal and transfer • The nucleic acids, DNA and RNA, are polymers of nucleotides • Peptide bonds form between amino acids to create polypeptide chains/proteins • Recall a simple description of protein synthesis

This PowerPoint presentation with worked examples and student activities covers: Topic 4.2 of Module 1: Science Fundamentals of the OCR Applied Science Spec. Determining the empirical formula for compounds Draw monomers and repeat units using structural and skeletal formula of the following polymers: Polyethene​ Polypropene​ Polylactate​ Polystyrene​ Polyvinyl chloride (PVC)

This PowerPoint presentation with worked examples and student activities covers: Topic 4.1 of Module 1: Science Fundamentals of the OCR Applied Science Spec. • Alkanes as saturated hydrocarbons containing single C-C and C-H bonds • Alkenes as unsaturated hydrocarbons containing a C=C double bond • Alkynes as unsaturated hydrocarbons containing a C ≡ C triple bond • Name and draw structural and skeletal formulae of the first four members of alkanes, alkenes and alkynes • Aldehydes and ketones as organic compounds containing the C=O group • Name and draw the structural formulae of the first four aldehydes and the first two ketones • Alcohols as organic compounds containing the OH group • Name and draw structural and skeletal formulae of the first four alcohols • Conversion of alcohols to form aldehydes and ketones is classified as an oxidation reaction • Name and draw structural and skeletal formulae of the first four carboxylic acids • Reaction of carboxylic acids with an alkali, to include full equations using structural formulae • Name and draw structural and skeletal formulae of the four C4H8O2 esters • How an ester can be made from a carboxylic acid and an alcohol