A) mechanical dispersion
B) oxidation
C) electrical dispersion
D) reduction
E) dialysis
Correct Answer: B
Solution :
Sulphur sol is prepared by the oxidation of \[{{H}_{2}}S\]by bromine. \[B{{r}_{2}}+{{H}_{2}}S\xrightarrow{{}}2HBr\underset{(sol)}{\mathop{+S}}\,\]
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