Question

Give reason iron nail are placed in copper sulphate solutions

Answer 1

Iron nail when placed in Copper sulphate solution ,the blue colour of the copper sulphate solution changes to light green .As in reactivity series Fe is more reactive than cu so it displaces cu from it's solution and forms feso4
hope it helps you out
Cuso4 + Fe = Feso4 + Cu

Answer 2

hey...ur answer
when iron nail is placed in copper sulphate solution it gives a displacement reaction n iron nail turn brownish in colour n copper sulphate solution becomes pale yellow
CuSo4 + Fe = FeSo4 + Cu
hope it helps u
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