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Question
Which of the following electrolytes will be most effective in coagulating negative sol?
Options
KNO3
K4[Fe(CN)6]
Na3PO4
MgCl2
MCQ
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Solution
MgCl2
Explanation:
Positive charge `↑`; coagulating power `↑`.
So, MgCl2 will be the most effective.
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