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Which of the following ielectrolytes is ...

Which of the following ielectrolytes is least effective in causing flocculation of ferric hydroxide sol?

A

`K_(4)[Fe(CN)_(6)]`

B

`K_(2)CrO_(4)`

C

`KBr`

D

`K_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Ferric hydroxide sol is + vely charged sol.
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