question_answer

The coagulating power of electrolytes having ions\[N{{a}^{+}},\text{ }A{{l}^{3+}}\]and\[B{{a}^{2+}}\]for arsenic sulphide sol increases in the order:     AIEEE Solevd Paper-2013

A) \[A{{l}^{3+}}<B{{a}^{2+}}<N{{a}^{+}}\]

B) \[N{{a}^{+}}<B{{a}^{2+}}<A{{l}^{3+}}\]

C) \[B{{a}^{2+}}<N{{a}^{+}}<A{{l}^{3+}}\]

D) \[A{{l}^{3+}}<N{{a}^{+}}<B{{a}^{2+}}\]