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Write down the heteroheneous catalyst in...

Write down the heteroheneous catalyst involved in the polymerisation of ethylene.

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`TiCl_(4)+` trialkly aluminium (Zeigle - Natta catalyst)
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PRADEEP-SURFACE CHEMISTRY -ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS)
  1. Name two industrial processes in which heterogeneous catalysts are emp...

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  2. Indicate a chemical reaction involving a homogeneous catalyst.

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  3. Write down the heteroheneous catalyst involved in the polymerisation o...

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  4. What is the role of desorption in the process of catalysis ?

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  5. What is the range of particle size in colloidal solution in nm?

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  6. Give an example of an associated colloid?

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  7. Define Kraft temperatuer.

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  8. Write two differences between multimolecular colloids and macromolecul...

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  9. What are lyophobic colloids? Give one example for them.

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  10. Hydrophobic sol is easily coagulated. Give reason.

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  11. Name the type of colloid obtained when (i) a liquid is dispersed in ...

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  12. What type of colloid is formed when a liquid is dispersed in a solid? ...

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  13. What type of colloid is formed when a gas is dispesed in a liquid? Giv...

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  14. What are the physical states of dispersed phase and dispersion medium ...

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  15. Name the type of collloid of choeese.

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  16. Given two exampoles of colloidal dispersion in which a liquid is dispe...

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  17. Define peptisation.

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  18. How will you obtain a colodial sol of aresenious sulphide ?

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  19. What is colloidion?

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  20. How will you prepare colloidal solution of gold ?

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