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Which one of the following will have the...

Which one of the following will have the highest. coagulating power for ferrie hydroadde sol?

A

NaCl

B

`BaCl _(2)`

C

`K_(2)CrO_(2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
`Fe (OH)_(3)` is a positively charged sol. Greater the charge on the negative part of the coagulant, `([Fe (CN)_(6)^(4-))` higher will be the coagulating power.
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