Intermolecular Forces and Physical Properties Practice Problems

Arrange acetone (C₃H₆O), water (H₂O), methylamine (CH₃NH₂), and propane (C₃H₈) in order of increasing ΔH_vap values. Explain the order using intermolecular forces of attraction.

Changing the pressure will not affect the boiling point of a liquid. Is this true or false?

Predict whether the boiling points of F₂, Cl₂ and Br₂, are arranged in increasing or decreasing order. Justify your answer.

Identify the compound with the higher viscosity between each pair

i. CH₃CH₂OH, CH₃OCH₃

ii. CH₃(CH₂)₅CH₃ , CH₃(CH₂)₇CH₃

iii. H₃C(CH₂)₂OH , HO(CH₂)₂OH

Which of the following statements does NOT describe volatile liquids

Identify which of the following statements is true

Identify the compound that most likely have the highest boiling point. 

Identify the compound that has the highest melting point. 

Arrange the following compounds in order of increasing vapor pressure. 

i) CH₃CH₃

ii) CH₃CH₂CH₂CH₂CH₂OH

iii) CH₃CH₂CH₂CH₂CH₂CH₂CH₃

iv) 

Identify which compound below is expected to have the highest surface tension: 

Identify which of the compounds below has the lowest boiling point.