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  • The coagulation values in millimoles per liter of the electrolytes used for the coagulation of As2S3 are given

The coagulation values in millimoles per liter 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

Option: 1

I > II > III


Option: 2

II > I > III


Option: 3

III > II > I


Option: 4

III > I > II


Answers (1)

best_answer

As per Hardy- Schulz's rule, The lower the coagulating power, the higher the coagulation value in millimoles per liter, i.e coagulating power is inversely proportional to coagulation values.

Sulfide sols have a negative charge present in them hence, more the valency of cation, the more coagulation power, and the lower the coagulation value. 

Thus, the correct order of coagulating power is (c) part.

Posted by

Nehul

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