1) Which of the following in Baeyer's reagent? A) Alkaline $KMnO_{4}$ B) Acidic $K_{2}Cr_{2}O_{7}$ C) Alkaline $Na_{2}Cr_{2}O_{7}$ D) $MnO_{2}$ Answer: Option AExplanation:Alkaline $KMnO_{4}$ is called Baeyer's reagent and is used to test unsaturation in an organic compound, when it decolourises $KMnO_{4}$.
