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Question

What is a displacement reaction? Give an example.


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Solution

Displacement Reaction:

  • "A chemical reaction in which a highly reactive species(or element) displaces or pushes out a less reactive element from its solution is called displacement reaction."
  • For instance, zinc removes iron ions from iron sulfate solution.
  • Copper nitrate solution releases copper by reacting with iron to form an iron sulfate solution.
  • A displacement reaction is also referred to as a substitution reaction.

The chemical equation of a displacement reaction:

  • For example, the displacement reactions include the reaction of iron and copper sulfate, which results in the production of iron sulfate.
  • As iron is much more reactive than copper in this situation, copper is replaced.
  • Fes+CuSO4aqFeSO4aq+Cus

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