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At high concentration of soap in water, ...

At high concentration of soap in water, soap behaves as …… .

A

molecular colloid

B

associated colloid

C

macromolecular colloid

D

lyophilic colloid

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associated colloid
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What type of solutions are formed on dissolving different concentrations of soap in water ?

There are cartain substances which behave as normal strong electrolytes at low concentration but at higher concentration they behave as colloidal solutions due to the formation of aggregated particles. Such colloids are called associated coloids and the aggreagated particles are called micelles. Soaps and detergents are the examples of associated colloids. The formation of micelles takes place above certain concentration called critical micrllization concentration (CMC) and a characteristic temperature. Which part of the soap (RCOO^(-)) dissolves grease and forms micelle ?

Colloidal particles of soap sol in water are

Critical micelle concentration for a soap solution is 1.5 xx 10^(-4)" mol L"^(-1) . Micelle formation is possible only when the concentration of soap solution in mol L^(-1) is

MODERN PUBLICATION-SURFACE CHEMISTRY-NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS )(MULTIPLE CHOICE QUESTION (TYPE-I))
  1. Extent of adsorption of adsorbate from solution phase increases with ...

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  2. Which one of the following is not applicable to the phenomenon of adso...

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  3. Which of the following is not a favourable condition for physical adso...

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  4. Physical adsorption of a gaseous species may change to chemical adsorp...

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  5. In physisorption adsorbent does not show specificity for any particula...

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  6. Which of the following is an example of absorption?

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  7. On the basis of data given below predict which of the following gases ...

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  8. In which of the following reactions heterogeneous catalysis is involve...

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  9. At high concentration of soap in water, soap behaves as …… .

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  10. Which of the following will show Tyndall effect?

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  11. Write a method by which lyophobic colloids can be coagulated.

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  12. By which method precipitate is converted into colloids?

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  13. Which of the following electrolytes will have maximum coagulating valu...

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  14. A colloidal system having a solid substance as a dispersed phase and a...

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  15. The values of colligative properties of colloidal solution are of smal...

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  16. Arrange the following diagrams in correct sequence of steps involved i...

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  17. Which of the following process is responsible for the formation of del...

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  18. Which of the following curves is in accordance with Freundlich adsorpt...

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  19. Which of the following process is not responsible for the presence of ...

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  20. Which of the following phenomenon is applicable to the process shows ...

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