A) chlorine displaces iodine from solution which gives blue colour with starch
B) chlorine reacts with potassium iodide solution to form a blue precipitate
C) iodine which is liberated is more soluble in KI resulting in blue colour
D) chlorine acts as bleaching agent which decolourises KI and becomes blue
Correct Answer: A
Solution :
Chlorine being more reactive displaces iodine from Kl. Iodine reacts with starch and gives blue colour. \[2KI+C{{l}_{2}}+2KCl+{{I}_{2}}\] \[{{I}_{2}}\]+Starch\[\to \]Blue ColourYou need to login to perform this action.
You will be redirected in
3 sec