Question

The particle of a true solution can pass through a semipermeable membrane but those of a colloidal solution cannot explain why

Answer 1

Colloidal Solution. Colloidal Solution is a heterogeneous mixture in which particle size of substance is intermediate of true solutionand suspension i.e. between 1-1000 nm. ... Just like true solutions, Colloidal particles are small enough and cannot be seen through naked eye.They easily pass through filter paper.May 11, 2009

Answer 2

Explanation:

In brief, the particles of true solution which is a homogeneous mixture are so small that we cannot see them through our naked eyes. where else on the other hand, particles of a colloidal solution which is a heterogeneous mixture, are quite big enough for our eyes to see them.

Now, a semi-permeable membrane is just like a filter paper. So when we pass both the particles of the above solution, we can notice the smaller particles (of true solution) passing through the filter paper, while the bigger particles (of colloidal solution) get stuck in the filter paper.

This difference in size of the particles is what best explains your Question.

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