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Which of the following ions is most effe...

Which of the following ions is most effective in the coagulation of ferric hydroxide solution?

A

`Cl^(-)`

B

`Br^(-)`

C

`NO_(2)^(-)`

D

`SO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
Ferric hydroxide is a positive sol.
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