loss of H⁺ forming the π bond
What loss of H⁺ forming the π bond means in Chemistry A-Level, as defined for AQA.
Definition of loss of H⁺ forming the π bond
Check what you remember
Read the wording for your board, then hide it and explain loss of H⁺ forming the π bond in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A base removes a hydrogen from a carbon adjacent to the positive carbon, the arrow running from that C–H bond into the C–C bond, making the π bond of the alkene.
Topics that use loss of H⁺ forming the π bond
- Elimination (AQA A-Level)
Related terms
- carbocation intermediate
- competing reactions
- condenser water direction
- dehydration of alcohols
- drying and washing the product
- elimination of water
- elimination to an alkene
- Functional group
Using loss of H⁺ forming the π bond 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge