Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ sol?
(i) Na2S
(ii) Na3PO4
(iii) Na2SO4
(iv) NaCl
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ sol?
(i) Na2S
(ii) Na3PO4
(iii) Na2SO4
(iv) NaCl
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1 Answer
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This is a Multiple Choice Type Questions as classified in NCERT Exemplar
Ans: Correct option is (ii)
The rate of coagulation will be faster if the value of oppositely charge electrolyte is high hence the answer is (ii).
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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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