Specification Point 4.41C (Paper 2C Only):
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

Structural and Displayed Formulae of Esters

An ester is made from an alcohol and carboxylic acid.

The first part of the name indicates the length of carbon chain of the alcohol, and it ends with the letters ‘- YL ‘

The second part of the name indicates the length of carbon chain of the carboxylic acid, and it ends with the letters ‘- OATE ‘.

Ester carbon chain, Edexcel IGCSE Chemistry

The origin of each carbon chain in ester

Examples:

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Author: Jamie

Jamie got a First class degree in Chemistry from Oxford University before going on to teach chemistry full time as a professional tutor. He’s put together these handy revision notes to match the Edexcel IGCSE Chemistry specification so you can learn exactly what you need to know for your exams.