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What is heterogeneous catalysis? Give an...

What is heterogeneous catalysis? Give an example.

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Heterogeneous catalysis a process where reacting substance and catalyst are in different phase.
`2SO_(2(g))+O_(2(s))overset(Pt_((s)))rarr2SO_(3(g))`
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SUNSTAR PUBLICATION-ANNUAL EXAM QUESTION PAPER MARCH - 2018-PART - D
  1. Draw a graph of potential energy V/S reaction co - ordinates showing t...

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

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  3. What is heterogeneous catalysis? Give an example.

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  4. Give an expression for Freundlich adsorption isotherm.

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

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  6. Explain fitting reaction .

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  7. Name the reagent used in the dehydrohalogenation of haloalkanes.

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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

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  16. Write Howorth structure of ''Lactose''.

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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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