# 1-bromopropane can react with ethanolic potassium hydroxide to produce an alkene. Explain what happens during this reaction, including the type of reaction, the bonds broken and formed, and the name of the organic product.

> WJEC A-Level Chemistry (Wales) — 2.6 Halogenoalkanes · Explain · 5 marks

## Mark scheme (5 marks)

1. The reaction is an elimination reaction
2. The C–Br bond is broken
3. A C–H bond is also broken
4. A C=C double bond is formed
5. The organic product is propene

## Key terms

- [alkene](https://www.gradenine.co.uk/glossary/alkene)

## Related

- [Revision notes for WJEC A-Level Chemistry (Wales)](https://www.gradenine.co.uk/learn)
- [How to answer "Explain" questions](https://www.gradenine.co.uk/tools/command-word-cheatsheet)
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Source: [GradeNine](https://www.gradenine.co.uk/q/1-bromopropane-can-react-with-ethanolic-potassium-caacc9d1) · Published by Druglandscape Ltd.