Question

what happens when iron is put into copper sulphate solution​

Answer 1

Answer:

iron is more reactive metal than copper so it displaces copper from copper sulphate solution and form the ferrous sulphate as product which is blue and green or greenish blue in colour.

following reaction can clarify that

Explanation:

Fe(s)+CuSO4 (aq)⟶FeSO4(aq)+Cu(s)

(copper) (ferrous)

(sulphate) (sulphate)

(greenish-blue)

(in color)