Intermolecular Forces Sorting Post Lab Assessment

List all the intermolecular forces are present in a sample of methanol, CH₃OH. 

• Dispersion forces only

• Dispersion forces, dipole-dipole forces, and hydrogen bonding

• Dipole-dipole forces only

• Hydrogen bonding only

• Dispersion forces and dipole-dipole forces

Which of the following compounds will have the highest boiling point?

• CH₃CH₂CH₃

• CH₃C=OCH₃

• CH₃CH₂OH

Read carefully, this is different than the activity.

Which of the compounds has the highest boiling point?

• Compound A

• Compound B

• Compound C

• Compound D

Which of the compounds has the lowest boiling point?

• Compound A

• Compound B

• Compound C

• Compound D

Rank the molecules from lowest boiling point (written first) to highest boiling point (written last).

• D < B < A < C

• D < B < C < A

• C < A < B < D

• A < C < B < D

• B < A < D < C

The weakest intermolecular force that is present in all molecules is _____.

• dispersion forces

• dipole-dipole interactions

• hydrogen bonding

• ionic forces

Stronger intermolecular forces result in __________ boiling points.

• the same

• higher

• lower

Which of the following is found in ketones?

• Only C and H atoms

• - O - H

• - C = O

• Always 10 carbon atoms

• Always 4 carbon atoms