KMnO4 acts as an oxidising agent in acidic medium. When acidic KMnO4 reacts with KI, then I- gets converted to
Answer & explanation
Correct answer: option 3
KMnO4 acts as an oxidising agent in acidic medium. When acidic KMnO4 reacts with KI, then I- gets converted to I2.
In acid solutions: Iodine is liberated from potassium iodide:
10I– + 2MnO4– + 16H+ → 2Mn2+ + 8H2O + 5I2