# Butyl ethanoate is an ester used as a flavouring in some sweets because of its fruity smell. State the names of the carboxylic acid and the alcohol needed to make butyl ethanoate, identify the functional group present in all esters, and state one other use of esters apart from flavourings.

> Pearson Edexcel International GCSE Chemistry (4CH1) — 4.7 Esters · State · 4 marks

> Butyl ethanoate is an ester with the molecular formula C₆H₁₂O₂. It has a distinct fruity smell and is used as a flavouring in the food industry.

## Mark scheme (4 marks)

1. Names the correct carboxylic acid: ethanoic acid
2. Names the correct alcohol: butanol
3. States the functional group present in all esters: –COO–
4. States one other use of esters apart from flavourings: perfumes / solvents / nail varnish remover

## Key terms

- [ester](https://www.gradenine.co.uk/glossary/ester)
- [carboxylic acid](https://www.gradenine.co.uk/glossary/carboxylic-acid)
- [alcohol](https://www.gradenine.co.uk/glossary/alcohol)
- [functional group](https://www.gradenine.co.uk/glossary/functional-group)

## Related

- [Revision notes for Pearson Edexcel International GCSE Chemistry (4CH1)](https://www.gradenine.co.uk/learn)
- [How to answer "State" questions](https://www.gradenine.co.uk/tools/command-word-cheatsheet)
- [Practice this with AI marking (free)](https://www.gradenine.co.uk/start)

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Source: [GradeNine](https://www.gradenine.co.uk/q/butyl-ethanoate-is-an-ester-used-e7b990d6) · Published by Druglandscape Ltd.