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The protecting power of lyophilic colloidal sol is expressed in terms of : [2012]
- a)Coagulation value
- b)Gold number
- c)Critical miscelle concentration
- d)Oxidation number
Correct answer is option 'B'. Can you explain this answer?
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The protecting power of lyophilic colloidal sol is expressed in terms ...
The lyophobic sols are less stable th an lyophilic sols. The lyophilic sols are thus used to protect the lyophobic sols. This property of lyophilic sols is known as protective action of lyophilic sols.
Which can be represented by gold number.
Which can be represented by gold number.
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The protecting power of lyophilic colloidal sol is expressed in terms ...
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The protecting power of lyophilic colloidal sol is expressed in terms ...
Gold Number:
The protecting power of lyophilic colloidal sol can be expressed in terms of the Gold number.
Explanation:
The Gold number is a measure of the protective power of a lyophilic colloid. It is defined as the amount of a protective colloid in milligrams required to prevent the coagulation of 10 ml of a gold sol upon the addition of 1 ml of a 10% NaCl solution.
Significance:
- The Gold number is an important parameter in determining the stabilizing effect of a protective colloid on a colloidal system.
- Higher Gold numbers indicate better protective properties of the colloid in preventing coagulation.
Relation to the protecting power:
- The Gold number directly reflects the ability of a lyophilic colloid to protect the colloidal system from coagulation and maintain stability.
- A higher Gold number means that the colloid is more effective at preventing coagulation and maintaining the dispersion of the colloidal particles.
In conclusion, the Gold number is a crucial parameter in characterizing the protecting power of lyophilic colloidal sols, as it quantitatively measures the ability of a protective colloid to maintain the stability of a colloidal system.
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The protecting power of lyophilic colloidal sol is expressed in terms of : [2012]a)Coagulation valueb)Gold numberc)Critical miscelle concentrationd)Oxidation numberCorrect answer is option 'B'. Can you explain this answer?
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