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The coagulation value in millimoles per ...

The coagulation value in millimoles per litre of the electrolyes used for the coagulation of `As_(2)S_(3)` are given below:
I. `(NaCl)=52` , II. `(BaCl_(2))=0.69`
III. `(MgSO_(4))=0.22`
The correct order of their coagulating power is

A

III gt I gt II

B

I gt II gt III

C

II gt I gt III

D

III gt II gt I

Text Solution

Verified by Experts

The correct Answer is:
D
`"coagulation power" prop (1)/("coagulation value")`
Higher the coagulation power, lower is coagulation values in millimoles per litre
`MgSo_(4) > BaCl_(2) > NaCl`
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