Question

Whydoes the iron nail become browinsh in color when it is immersed in copper sulphate solution.​

Answer 1

Answer:

When an iron nail is dipped in a solution of CuSO4, it displaces copper from the Solution, which gets deposited or precipitated as a red or red-brown residue. Also the blue colour of the solution gradually fades. Here, Fe is more reactive than Cu. So Fe displaces Cu to form Iron Sulphate and Copper.

Explanation:

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Answer 2

Answer:

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☆ Iron Nail displaces copper from the Solution, which gets deposited or precipitated as a red or red-brown residue. Also the blue colour of the solution gradually fades. Here, Fe is more reactive than Cu. So Fe displaces Cu to form Iron Sulphate and Copper.

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