Surface ChemistryHard
Question
Arsenic (III) sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol ?
Options
A.KCl
B. MgCl2
C.Al2(SO4)3
D.Na3PO4
Solution
More the charge on cation, more the effectiveness of the electrolyte.
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