Intermolecular Forces IMF

Which of the following factors plays an important role in the identification of specific intermolecular forces in a molecule?

• bond type
• density
• solubility
• molecular polarity

Tags

NGSS.HS-PS1-3

Which of the following statements correctly explains why hydrogen bonding is such a strong intermolecular force?

• There is an attraction between a small, weakly electronegative hydrogen atom and a large, strongly electronegative atom of fluorine, nitrogen, or oxygen
• There is an attraction between a small, highly electronegative hydrogen atom and a large, highly electronegative fluorine atom
• There is an attraction between the hydrogen and oxygen atoms, only
• There is an attraction between the hydrogen and nitrogen atoms, only

Tags

NGSS.HS-PS1-3

Type of intermolecular force present in I₂, Br₂, and Cl₂.

• dipole dipole

• H-bond

• London dispersion

• metallic

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• MgF₂

Tags

NGSS.HS-PS1-3

Intermolecular forces for: NH₃

• London dispersion Forces

• Dipole dipole

• Hydrogen bonding

Tags

NGSS.HS-PS1-3

Intermolecular forces for: CO₂

• London dispersion Forces

• Dipole dipole

• Hydrogen bonding

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Water has an unusually high boiling point for a molecular compound because it has

• hydrogen bonding

• ion-ion attractions

• a high density

• a large gram formula mass

Tags

NGSS.HS-PS1-3

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

• higher

• lower

Tags

NGSS.HS-PS1-3

Which molecule: Br₂, HCl, H₂S, or NH₃, will most likely have London dispersion forces as the MOST important IMF considered when determining melting/boiling points?

• Br₂, it only has dispersion forces when interacting

• HCl, it can participate in dipole-dipole interactions and also dispersion forces

• H₂S, it can participate in dipole-dipole interactions and also dispersion forces

• NH₃, it can participate in hydrogen bonding and also dispersion forces

Tags

NGSS.HS-PS1-3

Which noble gas should have the highest boiling point? (Hint: Think about how size affects IMFs)

• He

• Ne

• Kr

• Xe