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What are van der Waals' forces?...

What are van der Waals' forces?

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Define hydrogen bond. Is it weaker or stronger than the van der Waals' forces?

Which are the different types of van der Waals' forces?

Arrange the van der Waal's forces in the increasing order of their strength.

Assertion :In physical adsorption, enthalpy of adsorption is very low. Reason: In physical adsorption, attraction between gas molecules and solid surface is due to weak van der Waals forces.

Write the name of van der Waal's force between Non-polar molecules.

Write the name of van der Waal's force between Molecules having permanent dipoles.

Write the name of van der Waal's force between Molecules having permanent dipoles.

Assertion : In alcohols, the boiling point decreases with decrease in the branching of the carbon chain. Reason : -There is the increase in van der Waals/ forces between the number of carbon atoms with decrease in the surface area.

MAXIMUM PUBLICATION-STATES OF MATTER-EXERCISE
  1. What are van der Waals' forces?

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  2. What will be the minimum pressure required to compress 500 dm^3 of air...

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  3. Using the equation of state pV=nRT show that at a given temperature , ...

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  4. The density of a gas is found to by 5.46 g/ dm^(3) at 27° C and under ...

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  5. Calculate the volume occupied by 8.8 g of CO2 at 31.1°C and 1 Bar pres...

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  6. Explain the significance of van der Waal parameters

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  7. Mercury drops are spherical in shape . a) Which property is responsi...

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  8. How surface tension depends on temperature?

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  9. The theory that attempts to explain the behaviour of gases is known as...

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  10. Liquid drops attains spherical shape. Which property of liquids is res...

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  11. How does temperature influence the viscosity of a liquid?

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  12. Write the ideal gas eqation and mention the terms.

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  13. It is found that real gases do not obey ideal gas equation perfectly u...

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  14. It is found that real gases do not obey ideal gas equation perfectly u...

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  15. In the Celsius scale, melting point of ice is 0°C . Another scale of t...

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  16. What is the volume of ideal gas at absolute zero of temperature?

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  17. Draw a graph showing the relationship between volume and temperature o...

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  18. Consider a gas at 0° C. At what temperature will the volume be doubled...

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  19. a) Name the gass law shown by the above graph.

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  20. b) State the gas law.

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  21. a) At 35°C and 700 mm of Hg pressure , a gas occupies a 500 mL volume ...

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