(i) A potassium iodide (KI) solution containing starch turns blue on the addition of chlorine. Which one of the following statements explain this?
(P) The reduction potential of Cl2 is more than that of I2.
(Q) The oxidation potential of Cl2 is more than that of I2.
(R) The product formed when Cl2 combines with starch is blue.
(S) The product formed when I2 combines with starch is blue.
(a) Only P and R
(b) Only Q and R
(c) Only Q and S
(d) Only P and S
Solution
,