Explain why putting copper (II) metal in a solution of iron (II) sulphate doesn't displace the iron (II) cations from solution.
Copper (II) sulphate reacts with Iron (II) sulphate according to the equation below;
"2FeSO_4+CuSO_4\\to Cu+Fe(SO_4)_3"
The reaction above is a single substitution reaction.
A single substitution reaction is whereby one metal "(Fe)" displaces another "(Cu)" from a solution of one of its salts"(CuSO_4)"
More over, "Fe" is on top of the reactivity series hence displaces "Cu" at its bottom of the series.
"Fe" is thus more active hence cannot be displaced in the reaction by "Cu"
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