7. [intermolecular Forces] Practice

12 Questions | By Schouweilerd | Updated: Mar 21, 2022 | Attempts: 735

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7. [intermolecular Forces] Practice - Quiz

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

Questions and Answers

1.

A.) What geometric configuration would a molecule of have?
- A.
  
  Trigonal planar
- B.
  
  Tetrahedral
- C.
  
  Linear
- D.
  
  Octahedral
2.

A.) What would the 3-D geometric configuration of the following Lewis structure be?
- A.
  
  Bent (tetrahedral)
- B.
  
  Trigonal planar
- C.
  
  Linear
- D.
  
  Octahedral
3.

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
4.

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
5.

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.
6.

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
7.

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)
8.

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
9.

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
10.

E.) Which of the following solvents could be used to dissolve sodium chloride?
- A.
  
  Water
- B.
  
  Vegetable Oil
- C.
  
  Methanol
- D.
  
  Acetone
11.

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
12.

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