Question

(1) Blue coloured solution is given in the figure. Which solution is it? What causes the
colour change in this (0solution. Explain.
green colour solution
Blue colour solution
Iron nail
Radish iron nad​

Answer 1

Answer:

Explanation:

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  

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 solution.

Answer 2

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

​  

solu