IMF - Honors

Does HCl have hydrogen bonding?

• yes
• no

Does CH₄ have hydrogen bonding?

• yes
• no

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-PS1-3

Intermolecular forces for: NH₃

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

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

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

• higher

• lower

Tags

NGSS.HS-PS1-3

Intermolecular forces for: CO₂

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

Tags

NGSS.HS-PS1-3

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

Which statement explains why Br₂ is a liquid at STP and I₂ is a solid at STP?

• Molecules of Br₂ are polar, and molecules of I₂ are nonpolar

• Molecules of Br₂ are nonpolar, and molecules of I₂ are polar

• Molecules of Br₂ have stronger intermolecular forces than molecules of I₂.

• Molecules of I₂ have stronger intermolecular forces than molecules of Br₂.