Question

why does the colour of copper sulphate solution change when an iron nail is dipped in it​

Answer 1

Answer:

This reaction shows that iron is more reactive than copper as it displaces copper from its solution and iron passes into solution as Fe (II) ions and ferrous sulphate solution is formed. This video explains the chemical change occurs during the reaction of iron nails with copper sulphate solution

Answer 2

When an iron nail is dipped in copper sulphate solution , the displacement reaction takes place . The colour of copper sulphate solution fades due to the formation of light green solution of iron sulphate .