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Which of the following is most effective...

Which of the following is most effective in coagulating a ferric hydroxide sol ?

A

`KCl`

B

`KNO_(2)`

C

`K_(2)SO_(4)`

D

`K_(3)[Fe(CN)_(6)]`

Text Solution

Verified by Experts

The correct Answer is:
D
Effectiveness of coagulation by electrolyte `prop` charge on coagulating ion.
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