Chemistry A-Level
intermediate structures
What intermediate structures means in Chemistry A-Level, as defined for AQA.
Definition of intermediate structures
Check what you remember
Read the wording for your board, then hide it and explain intermediate structures in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The species formed between reactants and products, such as the carbocation in electrophilic addition, whose correct structure earns a mark.
Topics that use intermediate structures
- Reaction mechanisms (AQA A-Level)
Related terms
- Curly arrow conventions
- Heterolytic fission
- Homolytic fission
- initiation
- no curly arrows required
- propagation
- reaction mechanisms
- reactive intermediates
Using intermediate structures in the exam
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