When aqueous sodium phosphate reacts with aqueous copper(ii) sulfate then the formation of Cu₃(PO₄)₂ precipitate and aqueous solution of sodium sulfate takes place.
Double displacement reactions are those reactions in which two elements are displaced within the reaction.
Given chemical reaction is:
Na₃PO₄(aq) + CuSO₄(aq) → Cu₃(PO₄)₂(s) + Na₂SO₄(aq)
In the above reaction sodium and copper ions are displaced between each other by which Cu₃(PO₄)₂ precipitate and aqueous solution of sodium sulfate is formed.
Hence in the above reaction precipitate of Cu₃(PO₄)₂ is formed.
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