substitution
What substitution means in Chemistry A-Level, as defined for AQA.
Definition of substitution
Check what you remember
Read the wording for your board, then hide it and explain substitution in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The chlorine replaces a hydrogen atom, and the hydrogen that leaves is carried away as hydrogen chloride.
Topics that use substitution
- Chlorination of alkanes (AQA A-Level)
Related terms
Using substitution in the exam
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