Question

When an iron nail is dropped into a test tube containing copper sulphate solution, the colour of the solution changes after sometime. Also the iron nail gets covered with a
reddish brown coating.
(a) Which type of reaction is taking place in the test tube?
(b) Explain what happens in such reactions.
(c) What can you conclude about the metals involved in the above experiment?​

Answer 1

Answer:

a) displacement reaction

b) in such reactions , iron displaces copper from the solution because iron is more reactive than copper and the colour of the solution changes from blue to green .

c) contained in part b) iron is more reactive than copper