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Which of the following ions will be most...

Which of the following ions will be most effective in coagulating the `As_(2)S_(3)` sol?

A

`Fe^(3+)`

B

`Ba^(2+)`

C

`Cl^(-)`

D

`PO_4^(3-)`

Text Solution

Verified by Experts

The correct Answer is:
A
According Hardy -Schulze rule
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