Lesson Worksheet: Intermolecular Forces Chemistry

In this worksheet, we will practice describing the origins and strengths of intermolecular forces and explaining their effects on material properties.

Question 1

Which of the following would not strengthen the intermolecular forces between a pair of molecules?

  • ALarger molecules
  • BHigher pressures
  • CLower temperatures
  • DMore rounded molecules
  • EMore polar bonds

Question 2

Which of the following is generally weakest?

  • AIntermolecular forces
  • BMetallic bonds
  • CIonic bonds
  • DCovalent bonds

Question 3

Which of the following is the best description of an intermolecular force?

  • AA repulsive force between molecules
  • BA covalent bond
  • CAn attractive or repulsive force between molecules
  • DAn attractive or repulsive force between ions
  • EAn attractive force between molecules

Question 4

Poly(ethene) is a popular plastic for making carrier bags. The polymer chains can be made from a variable number of ethene units. For which of the following poly(ethene) molecules would the intermolecular forces be strongest?

  • A
  • B
  • C
  • D

Question 5

Which of the following molecules exhibits the strongest intermolecular forces?

  • A
  • B
  • C
  • D
  • E

Question 6

Listed in the table are the boiling points of a range of compounds containing two carbon atoms.

Boiling Point (C)20897810484

Which of the molecules in the table displays the strongest intermolecular forces?

  • AEthanol
  • BEthene
  • CEthanal
  • DEthyne
  • EEthane

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