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In the coagulation of a positive sol, th...

In the coagulation of a positive sol, the flocculating power of the ions `PO_(4)^(3-), SO_(4)^(2-) and Cl^(-)` decreases in the order

A

`PO_(4)^(3-) gt Cl^(-) gt SO_(4)^(2-)`

B

`PO_(4)^(3-) gt SO_(4)^(2-) gt Cl^(-)`

C

`Cl gt SO_(4)^(2-) gt PO_(4)^(3-)`

D

`Cl^(-) gt PO_(4)^(3-) gt SO_(4)^(2-)`

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