Colloidal systems like Gold sol and Sulphur sol exhibit the Tyndall effect and cannot be filtered by ordinary filter paper. Under which specific mechanistic category do these particular sols fall base

Question

Colloidal systems like Gold sol and Sulphur sol exhibit the Tyndall effect and cannot be filtered by ordinary filter paper. Under which specific mechanistic category do these particular sols fall based on the nature of their dispersed phase particles?

Prashant Kotian · Accepted Answer

Correct answer: C. Gold atoms and Sulphur molecules () are intrinsically smaller than . To form a colloidal solution, a large number of these individual atoms or smaller molecules must aggregate together until the resulting clusters reach the colloidal size range (). Thus, they are termed multimolecular colloids.

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