What happens when zinc is added to the aqueous solution of copper sulphate ? Give a balanced equation for the reaction. Name and define the type of reaction involved in the above reaction.
Answers
Zinc is more reactive that copper and hence it will displace Copper from it's solution and will make it's own solution.
Zn(s)+CuSO4(aq) → ZnSO4(aq)+Cu(s)
This reaction is a example of Displacement Reaction.
Displacement Reaction:- The reaction in which more reactive element displaces less reactive element from its solution.
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As Zinc is more reactive than copper, zinc displaces copper from copper sulphate & forms zinc sulphate solution. This is indicated by colour change from blue to colorless. CuSO4 solution has a blue color while ZnSO4 solution is colorless.
Zn(s) + CuSO4(aq) -> Cu(s) + ZnSO4 (aq).
this is a 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. Example : Reaction of iron nails with copper sulphate solution.