Intermolecular Forces Quiz
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Questions and Answers

Which intermolecular force specifically involves the attraction between a partially positive charged hydrogen atom and a lone pair of electrons from a highly electronegative atom?

  • Hydrogen bonds (correct)
  • Dipole-Dipole interactions
  • London dispersion forces
  • Vapor pressure

    • What is the phenomenon where liquid molecules escape into the gaseous state at the surface called?

  • Condensation
  • Capillary action
  • Viscosity
  • Evaporation (correct)

    • What is the unit of viscosity in the SI system of measurement?

  • $Jmol^{-1}$
  • $Nsm^{-2}$ (correct)
  • kg/m$^3$
  • $Nm^{-1}$

    • What type of intermolecular force occurs among nonpolar molecules like H$_2$, He, and Ne?

    <p>London dispersion forces</p> Signup and view all the answers

    At what temperature does the vapor pressure of a liquid equal the atmospheric pressure?

    <p>Boiling point</p> Signup and view all the answers

    What is the reverse process of evaporation where gas molecules transform into liquid state?

    <p>Condensation</p> Signup and view all the answers

    What determines the energy required to stretch the surface of a liquid by unit area?

    <p>Surface tension</p> Signup and view all the answers

    Which phenomenon involves the rise of water in a capillary tube due to its small surface area?

    <p>Capillary action</p> Signup and view all the answers

    Which heat quantity is needed to convert one mole of solid completely into liquid at its melting point?

    <p>Molar heat of fusion</p> Signup and view all the answers

    What causes abnormal behavior in water below $4^\circ$C?

    <p>Hydrogen bonds</p> Signup and view all the answers

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