Baeyer's reagent is (1) Alkaline KMNO4 solution (2) Acidic KMNO4 solution (3) Neutral KMNO4 solution (4) Aqueous bromine solution

Answer: (1)

Baeyer’s reagent is an alkaline solution of cold potassium permanganate of violet colour solution. It is a strong oxidizing agent. As this solution interacts with a double bond compound the colour disappears and becomes colourless.

Properties of KMNO4:

  • It dissolves in water to give intensely pink or purple solutions.
  • On evaporation, it leaves prismatic purplish-black glistening crystals.

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