Question

2. On submerging iron nail in
copper sulphate solution the
nail turns......coloured.​

Answer 1

Answer:

pale green

Explanation:

When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green

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Answer 2

ANS:-On submerging an iron nail in a copper sulphate solution ,since iron is more reactive than copper and it displaces copper from its aqueous solution forming a thin layer of copper on the surface of iron and the solution turns blue light green and the reaction is as follows:-