OCR AS level Chemistry: Alkanes is apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks

OCR AS level Chemistry: Alkenes is apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks Comparing pi-bond (π-bond) and sigma bonds (σ-bonds). Aliphatic alkenes and alicyclic arrangements of molecules s, p, d orbitals for electrons Trigonal planar shape of alkanes leading to 120 degree bond angle. E/Z isomerism Conditions for trans- and cis- isomerism Cahn-Ingold-Prelog rules and priority ordering Alkene addition reactions: Hydrogen with a nickel catalyst Halogens Hydrogen halide Steam with an acid catalyst Test for unsaturated alkenes. Bond enthalpy for sigma and pi bonds. Electrophile molecules Electronegativity Reaction mechanisms for addition reaction of alkenes and hydrogen halides Carbocations and stability Markownikoff’s Rule Monomers and repeat units Addition Polymerisation for: Polyethene Polypropene Polylactate Polystyrene Polyvinyl Chloride (PVC) Environmental Concerns from polymers including: Combustion of polymers recycling PVC biogradeable bioplastics photodegradable polymers feedstock recycling

OCR AS level Chemistry: Haloalkanes is apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks Naming Haloalkanes Classifying Haloalkanes (primary, secondary, tertiary) Electronegativity Reaction mechanism for hydrolysis Rates of reactions for hydrolysis Reaction conditions for hydrolysis Definitions for CFC (Chlorofluorocarbons) and HCFC (Hydachlorofluorocarbons) Creation of ozone Depletion of ozone with CFCs Reaction steps including initiations and propagation

OCR AS level Chemistry: Organic Synthesis is apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks Heating under reflux Distillation Re-distillation Purifying Organic Products Removing impure acids from organic compounds Drying agents Functional Groups - Alkane, Alkene, Haloalkane, Alcohols, Carboxylic Acid, Ketone, Aldehyde, Ester, Amine, Nitrile. One-step synthetic routes with reagents and conditions Two-step synthetic routes with reagents and conditions

OCR AS level Chemistry: Alcohols is apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks Naming alcohols Classifying alcohols (primary, secondary, tertiary) Electronegativity Polar and non-polar molecules Explaining physical properties of alcohols compared to alkanes Volatility Solubility Melting points Chain length and London forces Combustion of alcohols Reflux condition for reactions Primary alcohol to aldehydes Primary alcohols to carboxylic acids Secondary alcohols to ketones Dehydration of alcohols Substitution reactions for alcohols