IMF Practice

All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces.  Which of these has ONLY London forces?

• I₂
• NH₃
• OCl₂
• SH₂

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• MgF₂

Tags

NGSS.HS-PS2-6

Intermolecular force is the STRONGEST in HCl?

• dipole dipole

• London dispersion

• Hydrogen bond

• ionic

Which of the following is NOT considered an intermolecular bond

• London Dispersion

• Dipole Dipole

• Ionic bonding

• Hydrogen bonding

What Intermolecular force would hold two molecules of CO₂ together?

• London dispersion Force

• Dipole dipole

• Hydrogen bonding

Rank these in order of strength:
covalent bond
London forces
hydrogen bond
dipole-dipole attraction

• dipole-dipole>covalent bond>hydrogen bond>London
• London>dipole-diple>hydrogen bond>covalent bond
• covalent bond>hydrogen bond>dipole-dipole>London
• hydrogen bond>dipole-dipole>London>covalent bond

Tags

NGSS.HS-PS1-3

What type of IMFs would be the strongest on two of the following molecules?

• dispersion

• dipole dipole

• hydrogen bonding

Which of the following compounds consists of dipole molecules?

• H₂S

• CH₄

• CO₂

• N₂

A compound has the molecular formula C₃₀H₆₂. The compound is known to have nonpolar molecules. Which is the biggest factor responsible for the properties of this compound?

• ion-molecule attractions

• London dispersion forces

• dipole-dipole attractions

• hydrogen bonding

In which molecule is the intermolecular forces the strongest?

• HF

• HCl

• HBr

• HI