Intermolecular Forces

Which type of intermolecular forces explains why I₂ is a solid?

• dipole dipole
• H-bond
• dispersion
• metallic

What explains the very high melting and boiling point of water

(relative to other molecular compounds of similar molecular mass)?

• Strong dipole-dipole bonds between water molecules
• Strong hydrogen bonds between water molecules
• Dispersion forces which are present in all molecules
• Asymmetrical shape of the polar bonds.

Molecules of which compound are attracted by hydrogen bonds?

• CBr₄
• NO₂
• LiH

• NH₃

Does NH₃ have hydrogen bonding?

• yes
• no

Tags

NGSS.HS-PS2-6

Which is the strongest intermolecular force of attraction?

• Dipole- Dipole

• Dispersion

• Hydrogen Bonds

Which of these is not an intermolecular force?

• covalent bonding
• hydrogen bonding
• London dispersion forces
• dipole-dipole forces

Which type of bond is the strongest?

• hydrogen bonding
• dipole-dipole forces
• London dispersion forces
• ionic bonding

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

• higher

• lower

Tags

NGSS.HS-PS1-3

London Dispersion Forces cause ________ dipoles to be set up on the surface of the particles.

• temporary
• permanent

_____ intermolecular forces cause liquids to have _____ boiling points

• weak; high
• strong; low
• strong; high