IB Multiple Choice - Intermolecular Forces

Test yourself on IB Multiple Choice - Intermolecular Forces

• Which statement provides the best explanation of the below observation?
  
  Iodine is solid at standard room temperature, whereas chlorine is in a gaseous state.

• Order the following compounds of a group 14 element and hydrogen from lowest to highest boiling point: CH₄, SiH₄, GeH₄, and SnH₄.

• Predict which will have the higher boiling point: N₂ or CO.

• Consider the compounds dimethylether (CH₃OCH₃), ethanol (CH₃CH₂OH), and propane (CH₃CH₂CH₃). Their boiling points, not necessarily in order, are −42.1 °C, −24.8 °C, and 78.4 °C.
  
  Match each compound with its boiling point.

• Which statement provides the best explanation of the trend seen in the graph?