The coagulating power of electrolytes having ions `Na^(+),Al^(3+)` and `Ba^(2+)` for aresenic sulphide sol increases in the order :-

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The coagulating power of electrolytes having ions `Na^(+),Al^(3+)` and `Ba^(2+)` for aresenic sulphide sol increases ... `Al^(3+)lt Na^(+)lt Ba^(2+)`

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