Question

What is the actual difference between colloids and solution??

Answer 1

Explanation:

1) A true solution is homogeneous in nature whereas a colloidal solution is heterogeneous.

2) The particle size of solvent of true solution is less than 1 nm whereas in a colloidal solution it ranges between 1 nm to 1000 nm.

3) The particles of the true solution are not visible even under ultra microscope wheresas in case of colloidal solution, they are visible.

4) A true solution does not show tyndall effect whereas a colloidal solution shows.

Answer 2

HERE IS YOUR ANSWER MY DEAR MATE

True solutions are the type of mixtures, where the solute and solvents are properly mixed in the liquid phase, while Colloidal solutions are the type of mixture in the liquid phase, where the solute (tiny particles or colloids) is uniformly distributed in the solvent (liquid phase). The suspension is the mixture, where the solute does not get dissolved, rather get suspended in the liquid and float freely.

Sugar solution in water is the example of the true solution; Starch dissolved in water is the example of the colloidal solution and Soil dissolved in water is the suspension.

True solutions are homogenous and are transparent in appearance, while colloidal solutions are heterogeneous and appear to be translucent, whereas suspension is also heterogenous but appear to be opaque.

As the size of the particles is less than 1nm, the particles easily get pass through parchment paper and filter paper, but the particles size in colloidal solution is between 1-1000 nm, the particles of the colloidal solutions do not diffuse or pass through parchment paper but it is easy through filter paper, in the suspension the particle size is more than the 1000 nm, the particles of the suspension do not pass through parchment or filter paper.

In the true solutions particles are invisible through the naked eye, while the particles in the colloidal solution are visible through the electron microscope, but not through naked eye and the particles in the suspension are visible through naked eyes as well as under electron microscope.

Tyndall effect and Brownian effect is not observed in true solutions, while these features are not observed in colloidal solutions and suspension.

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