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What happens when colloidal solution of ...

What happens when colloidal solution of `fe(OH)_(3)` and `As_(2)S(3)` are mixed in equimolar propotions ?

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Possitive charge on the particles of the `Fe(OH)_(3)` sol is neutralized by the negative charge on the particles of `As_(2)S_(2)` As a result, both get coagulated.
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DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. Why are lypolhilic colloids more stable than hybrobic colloids ?

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  2. Give one example each of multimolecular and macro-molecular colloids.

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  3. What happens when colloidal solution of fe(OH)(3) and As(2)S(3) are mi...

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  4. What happens when freshly precipitated ferric hydroxide is treated wit...

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  5. Why is pyophobis sol easily congulated as compared to lyophilic sol ?

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  6. Mention two ways by which lyophobic colloids can be coagulated.

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  7. What will happen when a small amount of NaCl solution is added to hydr...

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  8. Why does physisorption decrease with increase in temperature ?

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  9. A synthetic rubber which is resistant to the action of oils gasoline a...

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  10. What is Tyndall Effect?

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  11. What is coagulation process ?

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  12. What is an emulsion ?

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  13. Name two types of adsorption phenmenon.

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  14. Name the catalyst and promoter in the Haber's process for the manufact...

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  15. What are the physical states of the dispersion medium and dispersed ph...

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  16. Adsorption of a gas on the surface of solid is sgenerally accompanied ...

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  17. How does increase in tempeature affect both physical and chemical adso...

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  18. What do you understand by shape selective catalysis? Why are zeolites ...

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  19. Name a process by which coagulation of lyophobic sol can be carried ou...

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  20. What is a reversible sol. ?

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