The sol given below with negatively charged colloidal particles is:
The sol given below with negatively charged colloidal particles is:
Option 1 -
FeCl3 added to hot water
Option 2 -
KI added to AgNO3 solution
Option 3 -
Al2O3 xH2O in water
Option 4 -
AgNO3 added to KI solution
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1 Answer
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Correct Option - 4
Detailed Solution:When AgNO3 added to Kl solution, it form precipitate of Agl (s) which absorb I- ions from Kl and colloidal particles become negatively charged.
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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,
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