Intermolecular Forces Of Attraction

11 Questions | Total Attempts: 5370

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Intermolecular Forces Of Attraction - Quiz

Online quiz for Chem 16. 1 27L.


Questions and Answers
  • 1. 
    Construct a problem/question regarding IMFA. The more difficult the better. Show me what you got! (winks)   Happy weekend! 
  • 2. 
    Which statement about intermolecular forces is true?
    • A. 

      These forces hold atoms together in a molecule.

    • B. 

      They are responsible for the chemical properties of matter.

    • C. 

      They have to be overcome to decompose a substance.

    • D. 

      None of the above

  • 3. 
    Which statement about London dispersion forces is incorrect?
    • A. 

      They result from asymmetric distribution of electrons.

    • B. 

      They are present in polar molecules.

    • C. 

      They are more pronounced in molecules with atoms that have high polarizability.

    • D. 

      All are correct

  • 4. 
    Which of the following explains why the boiling points of hydrocarbons increase with increasing molar mass? I. The larger mass makes molecules move slower, allowing for increased attractions II. Hydrogen bond strength increases III. London forces become more pronounced with a greater number of atoms.
    • A. 

      I only

    • B. 

      II only

    • C. 

      III only

    • D. 

      I and III

  • 5. 
    Vapor pressure is defined as the pressure exerted by a gas in equilibrium with its liquid. Which of the following has the highest vapor pressure?
    • A. 

      CCl4

    • B. 

      CH3CH2OH

    • C. 

      H2O

    • D. 

      CH3OCH3

  • 6. 
    What intermolecular force is responsible for the attraction between an ion and a polar molecule?
    • A. 

      Dipole-dipole interaction

    • B. 

      Hydrogen bonding

    • C. 

      Ion-dipole interaction

    • D. 

      Dipole-induced dipole interaction

  • 7. 
    What type of intermolecular force is responsible for the attraction between a polar molecule that induces a temporary dipole on a non-polar molecule?
    • A. 

      Instantaneous dipole-induced dipole

    • B. 

      Dipole-instantaneous dipole

    • C. 

      Dipole-induced dipole

    • D. 

      Ion-dipole

  • 8. 
    Consider the following electronegativity values (C=2.5, O=3.5, S=2.5, F=4.0, H=2.1). Which of the following has greater dipole-dipole force?
    • A. 

      CS2

    • B. 

      OF2

    • C. 

      SO2

    • D. 

      H2S

  • 9. 
    Consider HCl, HBr, HF, and HI. Which statement is incorrect?
    • A. 

      HF has the strongest intermolecular force.

    • B. 

      HI has the greatest London dispersion force.

    • C. 

      HF has the highest vapor pressure.

    • D. 

      HCl has the lowest boiling point.

  • 10. 
    Which of the following is most likely a solid at room temperature?
    • A. 

      Br2

    • B. 

      F2

    • C. 

      Cl2

    • D. 

      I2

  • 11. 
    Heat of vaporization is the amount of heat required to convert unit mass of a liquid into the vapor state without a change in temperature. Which substance has highest heat of vaporization?
    • A. 

      CH3CH2CH2CH3

    • B. 

      CH3CH2CH2OH

    • C. 

      CH3CH2NHCH3

    • D. 

      CH3CH2SH

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