1 Surface Chemistry
Addition of KI drop by drop to AgNO3 aqueous solution gives an impure sol of AgI. The impurities needed not to be removed by dialysis is :
1) suspended state of AgI 2) excess of AgNO3(aq.) 3) excess of KI(aq.) 4) excess of KNO3(aq.)
Dialysis is used to remove soluble impurities present in solution. The sol contains AgI which will not be easily removed.
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