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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 charge

B

the sign of the charge alone

C

the magnitude of the charge

D

both magnitude and sign of 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 :

MOTION-SURFACE CHEMISTRY-Exercise - 2 (Level-II)
  1. The ability of ion to bring about coagulation of a given collidal solu...

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  2. An arsenious sulphide sol carries a negative charge . The maximum prec...

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  3. Reversible adsorption is

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  4. Which of the following is an example of associated colloid ?

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  5. Adsorpton of gases on solid surface is generally exothermic because :

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  6. An emulsifier is a substance which :

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  7. Whenever a mixture of gases is allowed to come in contact with a parti...

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  8. Whenever a mixture of gases is allowed to come in contact with a parti...

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  9. Whenever a mixture of gases is allowed to come in contact with a parti...

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  10. The clouds consist of charged particles of water dispersed in air. Som...

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  11. The clouds consist of charged particles of water dispersed in air. Som...

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  12. The clouds consist of charged particles of water dispersed in air. Som...

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  13. In macromolecular type of colloids, the dispersed particles are themse...

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  14. In macromolecular type of colloids, the dispersed particles are themse...

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  15. In macromolecular type of colloids, the dispersed particles are themse...

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  16. In macromolecular type of colloids, the dispersed particles are themse...

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  17. In macromolecular type of colloids, the dispersed particles are themse...

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  18. The protective power of the lyophilic colloids is expressed in terms o...

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  19. The protective power of the lyophilic colloids is expressed in terms o...

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  20. The protective power of the lyophilic colloids is expressed in terms o...

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