The nature of charge on resulting colloidal particles when FeCl3 is added to excess of hot water is
The nature of charge on resulting colloidal particles when FeCl3 is added to excess of hot water is
Option 1 -
negative
Option 2 -
neutral
Option 3 -
sometimes positive and sometimes negative
Option 4 -
positive
-
1 Answer
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Correct Option - 4
Detailed Solution:
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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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