Question

Copper sulphate is prepared by the reaction of copper and sulphuric acid. The solution is blue in colour. When iron is added to the solution, the colour of the solution changes to green.Now, some iron sulphate is prepared by the reaction of iron and sulphuric acid. The solution is green in colour. When copper is added to it, which of the following will we see?

1.The solution becomes colourless.
2.The colour of the solution remains green.
3.The color of the solution changes to blue.
4.The solution near copper becomes blue, the rest remains green

Answer 1

Answer:

3. solution colour changes to blue