Question

When a nail of iron is added to a solution of copper sulphate, iron sulphate and copper metal are formed?

Answer 1

Answer:

• This is because iron is more reactive than copper and is placed above the copper in reactivity series, so it displaces copper from its salt solution i.e., Copper Sulphate solution.
• The blue colour solution now fades and there is a brown coating on iron nails due to deposition of copper.
• This can be showed as -

        CuSO4 + Fe ------------> FeSO4 + Cu

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Answer 2

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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.

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