Question

Ram stored copper sulphate solution in a container made of iron. He observed certain changes after a few hours. Can you tell what changes did he observed? Explain the chemical reaction involved

Answer 1

Answer:

Ions of Fe+2 and Cu+2 are replaced...

Explanation:

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

CuSo4 + Fe -> FeSo4 + Cu2

Answer 2

The colour of the solution fades and red mass of copper is deposited at the bottom of the container.

Explanation:

Single replacement reaction is a chemical reaction in which more reactive element displaces the less reactive element from its salt solution.

$CuSO_4(aq)+Fe(s)\rightarrow FeSO_4(aq)+Cu(s)$

When copper sulphate solution in a container made of iron, iron being more reactive than copper , displaces copper from its salt solution and form iron sulphate which is colourless and copper solid gets formed which is red in colour.

As copper sulpahte is blue in colour, the colour of the solution fades and red mass of copper is deposited at the bottom of the container.

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