1.

The coagulating power of an electrolyte for arsenious sulphide decreases in the order

Answer»

`Na^(+) gt AL^(3+) gt Ba^(2+)`
`PO_4^(3-) gt SO_4^(2-) gt CL^(-)`
`Cl^(-) gt SO_4^(2-) gt PO_4^(3-)`
`Al^(3+) gt Be^(2+) gt Na^(+)`

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