Chemistry A-Level
positively charged intermediate
What positively charged intermediate means in Chemistry A-Level, as defined for AQA.
Definition of positively charged intermediate
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Reference: AQA
An unstable species in which the delocalisation is broken and only part of the ring, drawn as a horseshoe, is still delocalised.
Topics that use positively charged intermediate
- Electrophilic substitution (A-level only) (AQA A-Level)
Related terms
- acylium ion
- curly arrow mechanism
- electrophile
- Halogen carrier
- nitration conditions
- nitronium ion generation
- reduction to amines
- temperature control
Using positively charged intermediate in the exam
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