Asked in KMU Centralized Admission Test 2020 2020Moderate

London dispersion forces are psesent only in:

Correct answer: D. Statement is wrong

  • A. Both polar and non - polar molecules
  • B. Non - polar molecules
  • C. Polar molecules
  • D. Statement is wrong

Explanation

London dispersion forces are present in all atoms and molecules, regardless of their size or composition. They are a type of intermolecular force that occurs due to temporary fluctuations in electron density. So, you can say that London dispersion forces are present in all substances.

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About Properties of Liquids

Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.

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