why do the colour and solution of zinc sulphate will not change. when we take a zinc sulphate in a beaker and putan iron nail in it
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Observation of student C are correct as Fe cannot displace Zn from its ZnSO4 solution.On the other hand Zn can displace Fe from FeSO4 solution to form ZnSO4which is colourless and black coloured residue of Fe.The chemical equation for this reaction can be written as:
Zn+FeSO4→ZnSO4+Fe
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