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The ability of ion to bring about coagul...

The ability of ion to bring about coagulation of a given collidal solution depends upon

A

Its size

B

The magnitude of its charge only

C

The sign of its charge alone

D

Both magnitude and sign of its charge .

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The correct Answer is:
D
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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 ability of an ion to bring about coagulation of a given colloid depends upon :

NARAYNA-SURFACE CHEMISTRY -EXERCISE -2 (C.W. ) COLLOIDS
  1. The flocculation of values of KCI, MgCI(2), CrCI(3) and SnCI(4) for a ...

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  2. The ability of ion to bring about coagulation of a given collidal solu...

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  3. Following are various types of colloids. Match column X with column Y....

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  4. Out of the following, which reaction gives rise to a colloidal sol:

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  5. Fog is a colloidal system of :-

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  6. The stabilization of a dispersed phase in a lyopobic colloid is due to

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  7. Milk is

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  8. Butter is a colloid formed when :

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  9. A liquid aerosol is a colloidal system fo

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  10. Which of the following is not a colloid?

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  11. Which of the following is a homogeneous system ?

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  12. When FeC3 solution is added to NaOH a negatively charged sol is obtai...

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  13. The colloidal solutions of gold prepared by different methods have dif...

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  14. Which of the following are macromolecular colloids ?

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  15. Which one of the following is not a property oif Hydro sols ?

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  16. the minimum amount of an electrolyrte required to cause coagulation of...

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  17. Solutions of soaps and detergents exhibit colloidal properties at

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  18. When a beam of light is passed through collidal solution,

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  19. Which of the following ielectrolytes is least effective in causing flo...

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  20. Which of the following is with highest and lowest flocculation value a...

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