1.

Arrange the following electrolytes in the increasing order of coagulating power for ferric hydroxide sol

Answer»

Ilt IIlt IIIlt IV
II = IV ltI ltI
 II = IV ltIltIII
II = III ltIV = I

Solution :FERRIC hydroxide sol is positively charged and hence anions would be effective in causing coagulation. Greater the valence of the effective ion, more will be its COAGULATING power.


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