An indicator 'X' is used for studying the effect of variation in concentration of iodide on the rate — JEE Mains Chemistry Past Papers Chemistry Question

Question

An indicator 'X' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with H2O2 at room temp. The indicator 'X' forms blue colored complex with compound 'A' present in the solution. The indicator 'X' and compound 'A' respectively are (A) Methyl orange and iodine (B) Starch and iodine (C) Methyl orange and H2O2 (D) Starch and H2O2