EXPLAIN why particles of colloidal solution do not settle down when kept undisturbed whereas particles of suspension do settle down?
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colloidal solution-1. 10 arm strong to 2000 armstrong...2.transluscent 3.cannot be diffused 4.not visible under microscope
suspension solution-1.more than 2000 armstrong 2.opaque 3.diffused rapidly 4.visible through naked eyes
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suspension solution-1.more than 2000 armstrong 2.opaque 3.diffused rapidly 4.visible through naked eyes
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In a colloidal solution the colloidal particles are small and they are being continuously hit upon by the molecules of depression medium.
It is very unlikely that the dispersed face particles will be hit upon by an equal force from all the sides.
Therefore there is a resultant force acting upon the colloidal particles in a particular direction.
And colloidal particles execute zigzag motion called Brownian movement.
Because of this the colloidal particles do not settle down under the influence of gravity.
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