Displacement reactions

Question 1

More reactive halogens will displace less reactive ones

Answer 1

1) Chlorine is more reactive than iodine
2) Chlorine water + potassium iodide –> potassium chloride
3) The iodine is displaced from the salt and gets left in the solution, turning it brown
4) All you have to do is add a few drops of the halogen solution to the salt solution

Question 2

What type of reaction is displacement?

Answer 2

Redox