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write any two differences between lyophi...

write any two differences between lyophilic and lyophobic colloids .

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Lyphilic colloids
(i) solvent liking
(ii) reversible solution
(iii) Quite stable
(iv) Cannot be easily co-agulated
Ex: Gelatin, starch
Lyphobic colloids
(i) solvent hating
(ii) Irreversible solutions
(iii) Less stable
(iv) can be coagulated easily by adding small amount of electroyt, Ex Gold sol, silver sol.
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SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER MARCH 2018-PART-D
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  2. Draw a graph of potential energy v/s reaction co-ordinate showing the ...

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  3. write any two differences between lyophilic and lyophobic colloids .

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  4. What is heterogeneous catalysis ? Give an example.

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  5. Give an expression for Freundlich adsorption isotherm.

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  6. Write the equations for the steps in SN-1 mechanism of the convertion ...

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  7. Explain fitting reaction .

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  8. Write the mechanism of acid catalysed dehydration of ethanol to ethene...

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  9. Between phenol and alcohol which is more acidic ? Why ?

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  10. Explain Rosenmund reduction with equation.

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  11. How does propanone (CH(3)COCH(3)) reacts with hydrazine? Give equatio...

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  12. Name an oxidising agent used in the Etard's reaction

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  13. Explain carbyl amine reaction with equation.

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  14. How does nitrobenzene is reduced to aniline ? Give equation.

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  15. Write the IUPAC name of C(6)H(5)-underset(CH(3))underset( "| ...

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  16. Give the Haworth structure of lactos.

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  17. (i) What are non - essential amino acids ? (ii) Write zwitter ionic...

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  18. Name the nitrogenous base present in RNA but not in DNA.

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  19. Explain the preparation of Nylon-6, 6 with equation.

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  20. What are thermoplastic polymers? Give an example.

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