Esters – Lesson & Worksheet – Unit 4 – IGCSE Chemistry
Formation, Naming, and Formulae of Esters (Triple Only)
This Synapse Science resource introduces esters as part of the Triple Science curriculum in Unit 4 of Edexcel IGCSE Chemistry. Students explore how esters form from alcohols and carboxylic acids, learn the naming rules, and practise writing both structural and displayed formulae.
Esters are brought to life through real-world examples of fruity smells, perfumes, and food flavourings.
TOPICS COVERED – SPECIFICATION POINTS
- 4.38C: Know that esters contain the functional group –COO–
- 4.40C: Understand how to write the structural and displayed formulae of ethyl ethanoate
- 4.41C: Understand how to write the structural and displayed formulae of an ester, given the name or formula of the alcohol and carboxylic acid from which it is formed and vice versa:contentReference[oaicite:0]{index=0}
WHAT’S INCLUDED
- Editable PowerPoint lesson with diagrams, naming examples and real-life applications
- Student worksheet with naming practice and drawing tasks
- Worked example: methanol + ethanoic acid → methyl ethanoate
- Scaffolded review of functional groups and esterification equations
KEY FEATURES
- Triple Science (Paper 2) focus
- Visual and structured approach to formulae and naming
- Relevant uses of esters (e.g. flavourings and perfumes) included
- Clear Synapse Science formatting for teaching or revision use
KEYWORDS
Edexcel IGCSE Chemistry, Esters, Organic Chemistry, Functional Groups, Esterification, Alcohols, Carboxylic Acids, Methyl Ethanoate, Ethyl Ethanoate, Triple Science, Synapse Science, Unit 4, Lesson, Worksheet
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