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The coagulating power of electrolytes having inos `Na^(o+),Al^(3+)` and `Ba^(2+)` for arsenic sulphide sol increases in the orderA. `Ba^(2+)ltNa^(+)ltAl^(3+)`B. `Al^(3+)ltNa^(+)ltBa^(2+)`C. `Al^(3+)ltBa^(2+)ltNa^(+)`D. `Na^(+)ltBa^(2+)ltAl^(3+)` |
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Answer» Correct Answer - D Arsenic sulphate is negative sol hence, greter is the positive charge of cation, more will be its coagulating power. `overset(Na^(+)ltBa^(2+)ltAl^(3+))underset("Increasing coagulation power ")to` |
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