Engineering
Chemistry
Adsorption
Colloids Preparation and Properties
Question
The stabilizer used in the preparation of colloidal sol of mercury and sulphur is:
an ammonium salt
a citrate

KOH

both A and B
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Solution
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A colloidal solution of certain elements such as mercury and sulphur are obtained by passing their vapours through cold water containing a stabilizer ( an ammonium salt or a citrate).
Hence, the correct option is D