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Question
The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below
(I) (NaCl) = 52
(II) (BaCl2) = 0.69
(III) (MgSO4) = 0.22
The correct order of their coagulating power is:
Options
III > II > I
I > II > III
I > III > II
II > III > I
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Solution
III > II > I
Explanation:
coagulating power α `1/"coagulation value"`
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