Intermolecular Forces Practice

Which sample has hydrogen bonding?

• H₂S

• CH₄

• NH₃

• HI

Which substance would we predict to have the lowest boiling point?

• CH₄

• NaCl

• H₂O

• MgF₂

Tags

NGSS.MS-PS1-4

Which of these has the strongest London forces?

• F₂

• Br₂

• I₂

• Cl₂

Why does water have a higher boiling point that hydrogen fluoride?

• Oxygen has a lower electronegativity

• Water is a smaller molecule

• Water can make two hydrogen bonds

• Water is wet

Intermolecular forces depend on the size of the charge

• true

• false

Tags

NGSS.HS-PS2-4

If we heat water then:

• some of the bonds between the hydrogen and oxygen break

• all of the bonds between the hydrogen and oxygen break

• some of the bonds between water molecules will break

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following has the highest boiling point?

• CaCl₂

• PH₃

• Cl₂

• N₂

Intermolecular forces are the forces

• within molecules

• between molecules

In general, substances with stronger intermolecular forces have ________ boiling points than those with weaker forces

• Higher

• Lower

• The same

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