AP Chemistry-Unit 3 Review #2

Chromatography separates mixtures based on what property?

• particle size

• intermolecular forces

• boiling points

• state of matter

In paper chromatography, if water is the mobile phase, what kind of substance will move up the farthest?

• polar substance

• non polar substance

Distillation separates mixtures based on differences in what property?

• Solubility

• Boiling Point

• Particle Size

• State of Matter

List the 4 Intermolecular forces from weakest to strongest

• hydrogen bonding, ion-dipole, london dispersion, dipole dipole

• london dispersion, hydrogen bonding, ion-dipole, dipole dipole

• london dispersion, dipole dipole, hydrogen bonding, ion-dipole

• dipole dipole, hydrogen bonding, ion-dipole, london dispersion

Tags

NGSS.HS-PS1-3

“More polarizable” refers to which Intermolecular Force?

• hydrogen bonding

• london dispersion

• dipole dipole

Tags

NGSS.HS-PS1-3

List ALL the Intermolecular forces that exist in PCl₃

• hydrogen bonding, london dispersion

• london dispersion, hydrogen bonding, dipole dipole

• london dispersion, dipole dipole

• london dispersion

The dashed line is a representation of a hydrogen bond.

• True

• False

What type of solid will not conduct electricity until it is liquid or aqueous?

• Ionic Solid

• Covalent Network Solid

• Molecular Solid

• Metallic Solid

Tags

NGSS.HS-PS1-3

Name a property that increases as Intermolecular Forces increase.

• Vapor pressure

• Conductivity

• Melting point

• Solubility

What is an example of a covalent network solid?

• Salt

• Diamond

• Sugar

• Water