Chemistry A-Level
displacement reactions
What displacement reactions means in Chemistry A-Level, as defined for AQA.
Definition of displacement reactions
Check what you remember
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Reference: AQA
A halogen displaces the ions of any halogen below it, so bromine displaces iodine but not chlorine, and iodine displaces neither.
Topics that use displacement reactions
- Trends in properties (AQA A-Level)
Related terms
- acidifying with nitric acid
- choice of acid
- concentrated sulfuric acid
- confirmation with ammonia
- confirming a halide
- dilute and concentrated ammonia
- electronegativity down a group
- ionic equations
Using displacement reactions in the exam
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