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Question: Answered & Verified by Expert
All colloidal dispersions have
ChemistrySolutionsKCETKCET 2012
Options:
  • A low osmotic pressure
  • B no osmotic pressure
  • C high osmotic pressure
  • D very high osmotic pressure
Solution:
2528 Upvotes Verified Answer
The correct answer is: low osmotic pressure
Colloidal particles are bigger aggregates. Thus, the number of particles in the colloidal solution is comparatively small as compared to true solution. Hence, the values of colligative properties (e.g., osmotic pressure) are of small order as compared to values shown by true solutions at the same concentrations.

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