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Enthalpy of physical adsorption is quite...

Enthalpy of physical adsorption is quite low: Give reason.

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Because it involves weak van der Waals. forces.
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SUNSTAR PUBLICATION-II PUC CHEMISTRY SUPPLEMENTARY EXAM QUESTION PAPER JUNE -2019-PART-D
  1. Enthalpy of physical adsorption is quite low: Give reason.

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  2. Calculate the packing efficiency in Face Centred Cubic (FCC) structure...

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  3. Give any two differences between Frenkel and Schottky defects .

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  4. On dissolving 2.34g of non-electrolyte solute in 40g of benzene, the b...

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  5. State Henry's law.

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  6. How solubility of a gas in liquid changes with increase in temperature...

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  7. For a given data : E(Mg^(2+) // Mg)^(@) = -2.37 V , E(Cu^(2+)// Cu)^(@...

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  8. State Kohlrausch law of independent migration of ions.

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  9. Write the overall cell reaction in mercury cell.

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

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  11. The rate constant of a reaction is doubled when the temperature increa...

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  12. How is Gold-sol prepared by Bredig's-arc method?

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  13. What is homogenous catalysis? Give an example.

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  14. How does entropy change for adsorption?

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  15. (a) Write the equations for the steps involved in SN^(1) mechanism for...

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  16. Explain Friedel -Crafts alkylation for chlorobenzene. Give equation.

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  17. What is racemic mixture ?

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

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  19. Write general equation for preparation of ether by Williamson synthesi...

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  20. Among alcohols and phenols which one is more acidic?

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  21. Comlete the following chemical reaction RCH2OH underset(2.H(3)O^(+))o...

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