1.

The coagulating power of electrolytes having inos `Na^(o+),Al^(3+)` and `Ba^(2+)` for arsenic sulphide sol increases in the orderA. `Na^(+),Al^(+3),Ba^(+2)`B. `PO_(4)^(-3),SO_(4)^(-2),Cl^(-)`C. `Al^(+3),Ba^(+2),Na^(+)`D. `Cl^(-),SO_(4)^(-2),PO_(4)^(-3)`

Answer» Correct Answer - C
According to Hardy-Schulze rule.


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