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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

`IgtIIgtIII`

B

`IIgtIgtIII`

C

`IIIgtIIgtI`

D

`IIIgtIgtII`

Text Solution

Verified by Experts

The correct Answer is:
C
For electrolytes, according to hardy-schulze rule:
Coagulating power `xx(1)/("Coagulation value")`
Thus, the correct order is
`{:(MgSO_(4),gt,BaCl_(2),gt,NaCl),((III),,(II),,(I)):}`
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Knowledge Check

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

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    C
    `IIIgtIIgtI`
    D
    `IIIgtIgtII`

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