Intermolecular Forces

The weaker the intermolecular forces of a substance the _____________ the boiling point

• higher

• lower

Tags

NGSS.HS-PS1-3

Which noble gas has the highest boiling point?

• Xe
• Kr
• Ar
• He

Tags

NGSS.HS-PS1-1

Which is the stronger intermolecular force present in HF?

• dipole dipole

• dispersion

• H-bond

• ionic

Tags

NGSS.HS-PS1-3

Which is the stronger intermolecular force present in I₂, Br₂, and Cl₂.

• dipole dipole

• H-bond

• dispersion

• metallic

Tags

NGSS.HS-PS1-3

Which is the stronger intermolecular force present in NaF?

• dipole dipole

• dispersion

• H-bond

• ionic bond

Tags

NGSS.HS-PS1-3

Which of the following has the highest boiling point?

• H₂
• NH₃
• N₂
• O₂

Tags

NGSS.HS-PS1-3

Which of the following has the lowest boiling point?

• CaCl₂
• PH₃
• Cl₂
• N₂

Which of the following will take the longest to evaporate?

• CH₃CH₂OH
• CH₃OH
• CH₃CH₃

Tags

NGSS.HS-PS1-5

Which substance has the weakest intermolecular forces?

• Substance A, boiling point of 75 °C

• Substance B, boiling point of 105 °C

• Substance C, boiling point of 25 °C

• Substance d, boiling point of 45 °C

Tags

NGSS.HS-PS1-3

Water and ammonia molecules are roughly the same size and the same mass but ammonia boils at -28°F and water boils at 212°F. What can we conclude about the intermolecular forces between water and ammonia?

• Water has stronger intermolecular forces

• Ammonia has stronger intermolecular forces

• The intermolecular forces are the same strength

• Not enough information is given

Tags

NGSS.HS-PS1-3