Chemistry / Unit 3 Chem 0465 short lesson, about 20 seconds
Single-Displacement Reactions
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The idea
A single-displacement reaction is a redox reaction where one element displaces another from a compound, emerging as a free element.
In practice
A more reactive metal placed in a dissolved metal salt can displace the less reactive metal, which plates out as solid.
Where people slip
A single-displacement reaction always changes oxidation numbers, unlike a precipitation reaction, where ions merely swap partners unchanged.
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