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The minimum concetration of the electrol...

The minimum concetration of the electrolyte required to cause coagulation of a sol is called :

A

Peptization value

B

Gold number

C

Avogadro's number

D

Precipitation Value

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The correct Answer is:
D
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The minimum concetration of the electrolyte required to cause coagurlation of a sol is called :

The minimum concentration of an electrolyte required to cause coagulation of a sol is called its flocculation value.It is expressed in millimoles per litre.If the flocculation value of MgSO_4 for standard As_2S_3 sol is 3.33. How many milligrams of MgSO_4 is to be added to 20ml standard As_2S_3 sol so that flocculation just state ?

the minimum amount of an electrolyrte required to cause coagulation of a sol is called :

The minimum concentration of an electrolyte required to cause coagulation or flocculation of a sol is called its flocculation value. It is expressed in

The minimum number of millimoles of electrolyte rquired to coagulate one litre of colloidal solution is

coagultion is the process by which the dispersed phase of a colloid is made to aggregate and thereby separtate from the continuous phase. The minimum concetration of an eletrolyte in milli-moles per litre of the electrolyte solution which required to cause the caogultion of colloidal sol is called coagution value . therefroe higher is the coagulatings power of effective ion, smaller will be the coagultion value of the electrolyte. the coagulation of colloidal particles fo the sol can be caused by :

coagultion is the process by which the dispersed phase of a colloid is made to aggregate and thereby separtate from the continuous phase. The minimum concetration of an eletrolyte in milli-moles per litre of the electrolyte solution which required to cause the caogultion of colloidal sol is called coagution value . therefroe higher is the coagulatings power of effective ion, smaller will be the coagultion value of the electrolyte. coagultion value propto = 1/("coagulating power") the coagulation values of differnt electrolytes are different . this behavious can be easily uderstood by Harby - schulze rule which states. the greater is the valency of the effective ion grreater is its coagulating power," which one had the highest coagulating powe?

MARVEL PUBLICATION-SURFACE CHEMISTRY-MULTIPLE CHOICE QUESTIONS - HIGHER LEVEL
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  2. Colloids and crystalloids differ w.r.t.

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  3. The minimum concetration of the electrolyte required to cause coagulat...

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  4. Size of colloidal particle is

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  5. Bleeding is stopped by the application of ferric chloride. This is bec...

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  6. The adsorption process is not used in

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  7. Which of the following is present in gas mask ?

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  8. which of the following is used to adsorb water ?

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  9. Process by which a stable colloidal solution can be produced from subs...

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  10. Colloidal solution have lower osmotic pressure because-

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  11. The pH at which the charge on protein colloid is reversed is called

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  12. Adsorption plays an important role in

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  13. Which of the following substances can be used for refining of petroleu...

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  14. Decomposition of NH(3) on the surface of tungsten is a reaction of :

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  15. The equilibrium attained in case of physical adsorption is

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  16. Increase in concentration of adsorbate at the surface of a substance a...

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  17. The impurities present in rain water possess ……..charge.

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  18. Latex is a colloidal solution of rubber particles which are

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  19. Colloidal sol found effective in treating eye disease is

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  20. Milk can be preserved by adding a few drops of

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