Which one of the following statements is correct?

Options

A. Brownian movement is more pronounced for smaller particles than for bigger ones.
B. Sols of metal sulphides are lyophilic
C. Schulze-Hardy law states, the bigger the size of the greater is its coagulating power
D. One would expect charcoal to adsorb hydrogen sulphide more strongly than chlorine.

Answer

A

Explanation

Brownian movement is independent of nature but depend on the size of particles and viscosity of the solution. Smallest the state and lesser the viscosity faster is the motion.