Chemistry A-Level
elimination to an alkene
What elimination to an alkene means in Chemistry A-Level, as defined for AQA.
Definition of elimination to an alkene
Check what you remember
Read the wording for your board, then hide it and explain elimination to an alkene in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
As a base the hydroxide removes a hydrogen from a carbon next to the C–Br carbon, and those bonding electrons swing in to form a C=C bond while bromide leaves, giving propene.
Topics that use elimination to an alkene
- Elimination (AQA A-Level)
Related terms
- carbocation intermediate
- competing reactions
- condenser water direction
- dehydration of alcohols
- drying and washing the product
- elimination of water
- Functional group
- Homologous series
Using elimination to an alkene in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge