which of the following will have the highest coagulating power for `As_(2)S_(3)` colloid?

Options

A. `PO_(4)^(3-)`
B. `SO_(4)^(2-)`
C. `Na^(+)`
D. `Al^(3+)`

Answer

D

Explanation

`As_(2)S_(3)` is -ve charged colloidal solution. Coagulation power `prop` charged on cation