Displacement reactions
What Displacement reactions means in Chemistry GCSE, as defined for AQA.
Definitions of Displacement reactions
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Reference: AQA
Displacement occurs when a more reactive metal, which forms positive ions more readily, takes the place of a less reactive metal in a compound.
Reactions with metal halide solutions in which halogens form 1⁻ ions, and a more reactive halogen displaces a less reactive one.
A reaction in which a more reactive metal takes the place of a less reactive metal in a compound.
A more reactive halogen displaces a less reactive halogen from an aqueous solution of its salt.
A more reactive metal takes the place of a less reactive metal in a compound.
A more reactive metal displaces a less reactive metal from a compound.
Topics that use Displacement reactions
- Group 7 (AQA GCSE)
- Oxidation and reduction in terms of electrons (HT only) (AQA GCSE)
- The reactivity series (AQA GCSE)
Related terms
- Ionic equations
- Diatomic molecules
- Electron loss and positive charge
- Electron loss as the basis of reactivity
- Extraction of metals with carbon
- Group 7 reactivity
- Group 7 trends
- Half equations
Using Displacement reactions in the exam
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