Question

Manu dropped a horseshoes made of iron into a copper sulphate solution. After some time, he found that the horseshoe had a brown deposit on it . this was due to formation of___________

a.) Iron sulphate
b.) Iron
c.) copper
d.) copper sulphate

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Answer 1

Answer:

a.)

Explanation:

iron sulphate is your answer

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Answer 2

Answer:

The brown deposit on horseshoe was due to formation of copper.

Therefore, option (c) is correct.

Explanation:

• When horseshoes made of iron drops in the copper sulfate solution, the iron reacts with copper sulphate solution.
• Iron displaces copper from  CuSO₄ solution, according to the electrode chemical potential given in the electrochemical series.
• Since iron has negative reduction potential, iron is more reactive than copper.
• Therefore, iron horseshoes get deposited with reddish brown. The color of CuSO₄ solution changes from blue to light green color.
• The chemical equation of this reaction is:

        Fe(s)  +   CuSO₄(aq)   $\longrightarrow$  FeSO4(aq)  +  Cu(s)

• The iron horseshoes had brown deposit on them because of the formation of copper.

To know more about "Displacement reaction'

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