The INCORRECT statements below regarding colloidal solutions is:
The INCORRECT statements below regarding colloidal solutions is:
Option 1 -
The flocculating power of Al³⁺ is more than that of Na⁺.
Option 2 -
An ordinary filter paper can stop the flow of colloidal particles.
Option 3 -
A colloidal solution shows Brownian motion of colloidal particles.
Option 4 -
A colloidal solution shows colligative properties
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1 Answer
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Correct Option - 1
Detailed Solution:Colloidal particles are small enough to pass through an ordinary filter but can be stopped by an ultrafilter paper due to their specific particle size range.
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The process of settling of colloidal particles is
In physisorption multimolecular layers are formed on solid surface.
Emulsion is a colloidal solution of liquid in liquid.
Haemoglobin is a positive colloid. Hence greater is the charge of anion, more effective will be the coagulation of haemoglobin.
Therefore,
Correct order of coagulating power is
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