Question

Why do the colour & solution of copper sulphate change when we take a solution of

copper sulphate in a beaker and put an iron nail in it?​

Answer 1

Answer:

ANSWER

The Fe displaces the Cu from CuSO

4

solution in beaker A as Fe is more reactive than Cu.

Therefore the blue colour of the solution changes to green due to the formation of FeSO

4

.

In beaker B, no reaction takes place as Cu being less reactive cannot displace Fe from FeSO

4

solution.

Answer 2

Answer:

green

Explanation:

the colour of the solution will turn into green as iron will replace copper from it sulphate and copper metal is reddish in colour will settle on the nail