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Which of the following is the most effec...

Which of the following is the most effective in c ausing coagulation of ferric hydroxide sol ?

A

KCl

B

`KNO_(3)`

C

`K_(2)SO_(4)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
`Fe(OH)_(3)` is a positive sol. `K_(3)[Fe(CN)_(6)]` with travalent anion is most effective in causing coagulation of this sol.
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  2. The stabilization of a lyophobic colloid is due to :

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