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Types of Chemical Reactions - Displacement Reaction

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  • Displacement Reaction
  • Experiment: Reaction of iron nails with copper sulphate solution.

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DISPLACEMENT REACTION:

Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non-metals take part in displacement reactions.

The following chemical reaction takes place in this Activity–

Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)

In this reaction, iron has displaced or removed another element copper, from copper sulphate solution. This reaction is known as displacement reaction. Other examples of displacement reactions are

Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s)

Pb(s) + CuCl2(aq) → PbCl2(aq) + Cu(s)

Zinc and lead are more reactive elements than copper. They displace copper from its compounds.

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