The order of coagulating power of PO(4)^...

The order of coagulating power of `PO_(4)^(3-), SO_(4)^(2-) and Cl^(-)` in the coagulation of a positive sol is __________.

A

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

B

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

C

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

D

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

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The correct Answer is:

A

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