Aarti Gupta
Last Activity: 9 Years ago
Dear student i think you haven’t post all the assertion and reason,so it will be difficult to tell you the correct option.But the following explanation will definitely help you to find the correct option.
Areseneous sulphide(As2S3) sol is an example of hydrophopic sol which is negatively charged.This negative charge on sol is due to the prefferential adsorption of S2- on the surface of sol particles when H2S is passed through As2O3.