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Name a metal refined by Van Arkel method...

Name a metal refined by Van Arkel method.

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[Zr] - Zirconium or Titanium [Ti]
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SUNSTAR PUBLICATION-ANNUAL EXAM QUESTION PAPER MARCH - 2018-PART - D
  1. Name a metal refined by Van Arkel method.

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  2. Calculate the packing efficiency in a simple cubic lattice.

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  3. An element having atomic mass 107.9 u has FCC lattice. The edge length...

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  4. The boiling point of benzene is 353.23 K. When 1.80 g of a non - volat...

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  5. Define : (i) Molality of a solution (ii) Isotonic solutions

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  6. Calculate e.m.f. of cell for the reaction : Mg((s))+Cu^(2+)"(0.0001 ...

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  7. i) State Kohlrausch law. ii) What is meant by limiting molar conduct...

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  8. Derive an integrated rate equation for the rate constant of a first-or...

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  9. Draw a graph of potential energy V/S reaction co - ordinates showing t...

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

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  11. What is heterogeneous catalysis? Give an example.

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  12. Give an expression for Freundlich adsorption isotherm.

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

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  14. Explain fitting reaction .

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

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

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

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  18. Explain Rosenmund reduction with equation.

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

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

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  21. Explain carbyl amine reaction with equation.

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