Surface ChemistryHard

Question

The gold numbers of A, B, C and D are 0.04, 0.002, 10 and 25, respectively. The protective powers of A, B, C and D, respectively, are in the order

Options

A.A > B > C > D

B.B > A > C > D

C.D > C > B > A

D.C > A > B > D

Solution

Smaller the gold number, greater is the protective power of lyophilic colloid

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