I think its cohesion because it has a magnetic like effect that <span> - and + effects within the water molecule will want to stick to any other objects and because everything its composed of electrons and protons, so they connect with +,-,+,-,+,-,+,-,+,-,</span>
Answer : When ethylene is passed through alkaline KMnO4 solution 1, 2-Ethanediol is formed. The Purple color of KMnO4 decolorizes.
