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Displacement Reaction

Why does the ...

Question

Why does the colour of copper sulphate solution change when an iron nail is kept immersed in it ?

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Solution

When an iron nail is placed in a copper sulphate solution, iron displaces copper from copper sulphate solution forming iron sulphate, which is green in colour.Therefore, the blue colour of copper sulphate solution fades and green colour appears.

$C u S O_{4} + F e ⟶ F e S O_{4} + C u$

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Q. Assertion :The colour of copper sulphate solution change when an iron nail is dipped in it. Reason: When an iron nail is placed in a copper sulphate solution, iron displaces copper from copper sulphate solution forming iron sulphate.

Q. Why does the colour of copper sulphate change when an iron nail is kept in it? Justify your answer.

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Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

Why does the blue colour of copper sulphate solution changes to green colour when an iron nail is dipped in it ? Write chemical equation.

Q.  Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

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