Question

what is change in colour of solution when iron pieces are kept immersed in aqueous copper sulphate solution



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Answer 1

Answer:

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.

Answer 2

Answer:

Fe+Cuso4 --- feso4 + cu

Feso4 will be of green-blue colour