Intermolecular Forces Properties

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.

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NGSS.HS-PS1-3

Which compound in liquid form will have the highest vapor pressure?

• CH₄

• CH₃CH₃

• CH₃COCH₃

• CH₃CH₂OH

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NGSS.HS-PS1-3

Which of these typically increases when intermolecular forces increase?

• Boiling Point
• Melting Point
• Viscosity
• All of these

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NGSS.HS-PS1-3

A substance capable of hydrogen bonding has a ___________ boiling point than a similar substance that doesn't hydrogen bond.

• higher
• lower

Which of these typically decreases when IMF's increase?

• boiling point
• melting point
• all of these
• vapor pressure

If a liquid has high viscosity, it probably has:

• strong IMF
• weak IMF

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NGSS.HS-PS1-3

The strength of temporary dipoles:

• increases with the size of molecules
• is greater than intremolecular forces
• is the strongest intermolecular force

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The force of attraction between nonpolar molecules:

• Hydrogen Bonding
• Dipole - Dipole Forces
• LDF
• Ionic Forces

Which type of IMF is responsible for the attraction pictured above?

• Dipole-Dipole Interaction

• Ion-Dipole Interaction

• Hydrogen Bonds

• Covalent Bond

• Ionic Bond

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Which type of IMF is responsible for the attraction pictured above?

• Dipole-Dipole Interaction

• Ion-Dipole Interaction

• Hydrogen Bonds

• Covalent Bond

• Ionic Bond

Tags

NGSS.HS-PS1-3