Question

what will you observe when (a) a few zinc pieces are added to a solution of copper sulphate? (b) a few copper pieces are added to a solution of ferrous sulphate?​

Answer 1

Answer:

When zinc pieces are put into blue colour copper sulphate solution, Zinc displaces copper from copper sulphate solution. In this process, blue copper sulphate solution turns into colourless. No reaction, As Cu is less reactive than iron. So, it cannot displace iron from its salt solution.

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Answer 2

Explanation:

when zinc is added to copper sulphate, then zinc sulphate and copper is formed. solution becomes colourless and chanɡes its colour.

Zn + CuSO₄ → ZnSO₄ + Cu

b) no reaction will be seen