糖心Vlog

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糖心Vlog

Last updated

20 October 2026

pptx, 19.21 MB
pptx, 19.21 MB

This PowerPoint lesson covers Structural Isomerism for Pearson BTEC Applied Science Unit 5 Chemistry, including chain, position and functional-group isomerism. It is designed to help students understand why compounds can share the same molecular formula while having different structural formulae and chemical identities.

Structural isomerism occurs when two or more compounds have the same molecular formula but different connectivity of atoms. The lesson begins by distinguishing molecular formulae from structural formulae and then introduces the idea of isomers and structural isomers. Students also briefly compare structural isomerism with stereoisomerism in preparation for later work on E/Z and cis/trans isomerism.

The resource develops the three main types of structural isomerism. Chain isomerism is explored using straight-chain and branched compounds such as butane and 2-methylpropane. Position isomerism is illustrated using halogenoalkanes, alcohols and alkenes, including 1-chloropropane and 2-chloropropane, butan-1-ol and butan-2-ol, and but-1-ene and but-2-ene. Functional-group isomerism is introduced using propanal and propanone, alongside cyclic and open-chain examples such as cyclohexane and hexene.

Students are also taught a systematic method for drawing and naming all possible structural isomers of a molecular formula, including a worked example using C鈧凥鈧塁l. The fully editable PowerPoint (.pptx) includes learning objectives, key terminology, retrieval starters, worked examples, drawing activities, answer slides and end-of-lesson check-your-understanding questions. Updated in October 2026, it is suitable for classroom teaching, revision, cover work or independent study within Pearson BTEC Applied Science Unit 5 Chemistry.

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Pearson BTEC Applied Science Unit 5 Chemistry A2 Bundle 15 PowerPoints

A2 Structures, reactions and properties of commercially important organic compounds. This Pearson BTEC Applied Science Unit 5 Chemistry A2 bundle contains 15 fully editable PowerPoint lessons covering organic chemistry, mechanisms, reactions, bonding and properties. It provides a complete teaching sequence for the A2 organic chemistry content, progressing from fundamental terminology and molecular representation through to reaction mechanisms, addition polymerisation, hydration and combustion. Organic chemistry is the study of carbon-containing compounds, their structures, properties and reactions. The bundle begins with introductory organic chemistry, IUPAC nomenclature, molecular representations, structural isomerism and E/Z and cis/trans isomerism. Students then develop their understanding of bonding through sigma and pi bonds, hybridisation, molecular shape, bond length and bond strength, including the delocalised bonding found in benzene. Later lessons connect structure to physical properties through boiling points and intermolecular forces before introducing organic reaction mechanisms. Students study homolytic and heterolytic fission, free radicals, electrophiles, carbocations and curly-arrow notation, followed by detailed lessons on free-radical substitution of alkanes and electrophilic addition to alkenes. Carbocation stability is used to explain major and minor products in reactions involving asymmetric alkenes. The final lessons cover addition polymerisation, hydration of ethene, cracking and combustion, allowing students to apply their knowledge to important industrial and chemical processes. This bundle contains 15 fully editable PowerPoint (.pptx) lessons, each designed with learning objectives, key terminology, retrieval starters, structured teaching content, worked examples, student activities, answer slides and check-your-understanding questions. Updated in October 2026, the resources are suitable for classroom teaching, revision, cover work or independent study for Pearson BTEC Applied Science Unit 5 Chemistry 鈥� A2.

拢19.99

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