Chemistry - Intermolecular Forces

Which sample has hydrogen bonding?

• H₂S

• CH₄

• NH₃

• HI

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

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NGSS.HS-PS1-3

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

Which substance would have the highest boiling point at standard pressure?

• H₂O

• CCl₄

• CO₂

• NBr₃

Tags

NGSS.HS-PS1-3

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

• higher

• lower

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NGSS.HS-PS1-3

________________________ have the strongest intermolecular forces of attraction.

• Dipole- Dipole

• Dispersion

• Hydrogen Bonds

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NGSS.HS-PS1-3

Which of these has dispersion forces?

• I₂

• NH₃

• OCl₂

• SH₂

Tags

NGSS.HS-PS1-3

London forces are stronger in heavier atoms or molecules, and weaker in lighter atoms or molecules.  Which of these has the strongest London forces?

• F₂
• Br₂
• I₂
• Cl₂

Tags

NGSS.HS-PS1-3

Does CH₄ have hydrogen bonding?

• yes
• no

Does HCl have hydrogen bonding?

• yes
• no