Q. Sulphur colloid is prepared by
A) Mechanical dispersion
B) Oxidation
C) Electrical dispersion
D) Reduction
Explanation
(b)
Sulphur sol is prepared by the oxidation of $H_{2}S$ by bromine.
${Br}_{2} + H_{2}S \rightarrow 2HBr + S$
sol
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.