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Select the correct alternative from the choices given:
Which of the following electrolytes is least effective in causing flocculation of positively charged ferric hydroxide sol?

A

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

B

`K_(2)CrO_(4)`

C

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

D

KBr

Text Solution

Verified by Experts

The correct Answer is:
4
KBr
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