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Do van der Waals' forces exist between t...

Do van der Waals' forces exist between the atoms of noble gases?

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**Step-by-Step Solution:** 1. **Understanding Noble Gases**: Noble gases are a group of elements in Group 18 of the periodic table, including helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). They are known for their lack of reactivity due to having a complete valence shell of electrons. 2. **Definition of Van der Waals Forces**: Van der Waals forces are weak intermolecular forces that arise from temporary dipoles created when electron clouds around atoms fluctuate. These forces include London dispersion forces, dipole-dipole interactions, and dipole-induced dipole interactions. 3. **Existence of Van der Waals Forces in Noble Gases**: Yes, Van der Waals forces do exist between the atoms of noble gases. Although noble gases are monoatomic and have a full valence shell, they can still exhibit London dispersion forces due to the movement of electrons which can create temporary dipoles. ...
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Knowledge Check

  • Which of the following statements regarding van der Waals' constants a and b is not correct? A. The constant a is a measure of van der Waals' forces. B. A gas with a lower value of a possesses a greater tendency to get liquefied. C. b is a measure of effective size of molecules. D .b is the excluded volume per mole.

    A
    The constant a is a measure of van der Waals' forces.
    B
    A gas with a lower value of a possesses a greater tendency to get liquefied.
    C
    b is a measure of effective size of molecules.
    D
    b is the excluded volume per mole.
  • van der Waals constant b in corrected equation for real gases represents

    A
    measure of effective size of gas molecules
    B
    magnitude of attractive forces among gas molecules
    C
    free volume of the molecules
    D
    difference in pressure and volume of gas molecules.
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