Forces Between Molecules Lab Quiz 1

What is the strongest force between molecules?

• hydrogen bonding

• dipole-dipole

• london dispersion

• super glue

A molecule that has a positive end and a negative end is called....

• ionic

• covalent

• nonpolar

• polar

Which molecule in our lab has the strongest hydrogen bonding?

• water

• acetic acid

• isopropanol

• hexane

Which force gets stronger with really big molecules?

• hydrogen bonding

• dipole-dipole

• london dispersion

• super glue

In the penny drop experiment, which liquid showed the greatest surface tension? (more liquid stayed on the penny)

• isopropanol

• water

• hexane

• acetic acid

Hexane has _____________ intermolecular forces.

• strong

• medium

• weak

• happy

Boiling point is the temperature at which.....

• a liquid becomes a solid

• a gas becomes a liquid

• molecules on the surface of a liquid begin to turn to gas

• molecules throughout a liquid begin to turn to gas

In the hot plate experiment, molecules with __________________________ take a long time to vaporize.

• bad smells

• a small size

• a high boiling point

• a low boiling point

Hexane is an example of a......

• large molecule with hydrogen bonding

• small polar molecule

• large nonpolar molecule

• small nonpolar molecule

What is true of acetone? (choose all that apply)

• nonpolar

• polar

• has hydrogen bonding

• does not have hydrogen bonding