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Name two intermolecular forces that exis...

Name two intermolecular forces that exist between HF molecules in liquid state.

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(i) Dipole - dipole interactions (ii) Hydrogen bonding.
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MODERN PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-Conceptual Questions (2)
  1. The Van der Waals constants for two gases A and B are as follows : {...

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  2. What property of molecules of real gases is indicated by Van der Waals...

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  3. Which two postulates of the kinetic molecular theory are only approxim...

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  4. What do you understand by ‘triple point’ of a substance?

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  5. Urea has a sharp melting point but glass does not. Explain.

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  6. At a particular temperature why is the vapour pressure of acetone less...

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  7. Explain why water would completely fill a fine capillary tube which is...

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  8. Why are falling liquid drops spherical?

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  9. Why cooling is caused by evaporation?

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  10. Out of NH(3) and N(2), which will have (a) larger value of a (b) l...

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  11. What would have happened to the pressure of a gas if the collisions of...

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  12. Why are the gases helium and hydrogen not liquefied at room temperatur...

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  13. Name the liquid with higher vapour pressure in the following pairs : ...

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  14. What is Boyle's temperature ?

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  15. Name the intermolecular forces between {:((i)Cl(2) and CBr(4),(ii) S...

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  16. Why a liquid boils at a lower tempetature at the top of a mountain tha...

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  17. How is compressibility factor expressed in terms of molar volume of th...

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  18. The SI unit of the coefficent of viscosity is

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  19. Name two intermolecular forces that exist between HF molecules in liqu...

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  20. For gases like H(2) and He which show only positive deviation from ide...

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