7. [intermolecular Forces] Practice

12 Questions | Total Attempts: 646

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7. [intermolecular Forces] Practice

NOTE THAT THIS IS THE PRACTICE QUIZ. TAKING THIS QUIZ WILL NOT AFFECT YOUR GRADE.


Questions and Answers
  • 1. 
    A.) What would the 3-D geometric configuration of the following Lewis structure be?
    • A. 

      Bent (tetrahedral)

    • B. 

      Trigonal planar

    • C. 

      Linear

    • D. 

      Octahedral

  • 2. 
    B.) Which of the following pairs of elements will likely form a polar covalent bond?
    • A. 

      H + Cl

    • B. 

      Na + Na

    • C. 

      Na + Cl

    • D. 

      H + H

  • 3. 
    B.) Which of the following pairs of elements will likely form a nonpolar covalent bond?
    • A. 

      H + Cl

    • B. 

      Na + Na

    • C. 

      Na + Cl

    • D. 

      H + H

  • 4. 
    C.) If the H-F bond in the following molecule is polar, which of the following statements is true?
    • A. 

      The molecule is a dipole.

    • B. 

      The molecule is not a dipole.

    • C. 

      The molecule is nonpolar.

    • D. 

      The molecule has no dipole moment.

  • 5. 
    C.) If all of the bonds in the following molecules are polar, which compound will NOT be a dipole?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 6. 
    D.) Which of the following compounds will likely have the highest melting point?
    • A. 

      NaCl (ionic)

    • B. 

      CH4 (nonpolar)

    • C. 

      CH3OH (slightly polar)

    • D. 

      HCl (polar)

  • 7. 
    D.) A drop of each of the following compounds was placed on a table and the amount of time required for the compound to evaporate was recorded.  Which of the compounds likely had the weakest intermolecular forces?CompoundTime to EvaporateA10 sB48 sC30 sD120 s
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 8. 
    E.) Solvent X is a highly polar solvent.  Which of the following would NOT dissolve in (or mix with) solvent X?
    • A. 

      Vegetable oil

    • B. 

      Table Salt

    • C. 

      Water

    • D. 

      HCl

  • 9. 
    E.) Which of the following solvents could be used to dissolve sodium chloride?
    • A. 

      Water

    • B. 

      Vegetable Oil

    • C. 

      Methanol

    • D. 

      Acetone

  • 10. 
    F.) Polystyrene (styrofoam) is made up of a chain of identical molecules (shown below).  Which of the following words could be used to describe polystyrene?
    • A. 

      Both polymer and network solid

    • B. 

      Both allotrope and macromolecule

    • C. 

      Both polymer and allotrope

    • D. 

      Both allotrope and element

  • 11. 
    F.) Hemoglobin is a large molecule with no repeating structures.  Which of the following terms can be used to describe hemoglobin?
    • A. 

      Macromolecule

    • B. 

      Network Solid

    • C. 

      Allotrope

    • D. 

      Polymer

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