CuSO4 (aq) + Zn (s) → Cu (s) + ZnSO4 (aq) is an example of

CuSO4 (aq) + Zn (s) → Cu (s) + ZnSO4 (aq) is an example of displacement reaction.

  • A displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound.
  • In the above reaction, Zn is added to the solution of copper sulphate and Zn displaces Cu from its salt solution. This is because zinc is a more reactive metal that displaces less reactive metal from its solution.
  • This is indicated by a colour change from blue to colourless.
  • CuSO4 solution has a blue colour while ZnSOsolution is colourless.


The structure of copper sulfate is

Copper Sulfate Structure

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