Question

2.A Mg rod is dipped in the CuSO4 solution.


a)What are the changes that can be observed in the Mg rod and the colour of CuSO4 solution.


b)Name the phenomenon which take place within the beaker
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Answer 1

Explanation:

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Answer 2

Answer:

Fe(s)+CuSO4⟶Cu(s)+FeSO4

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green. This reaction shows that iron is more reactive than copper as it displaces copper from its solution and iron passes into solution as Fe2+ ions and ferrous sulphate solution is formed.