MIDTERM 03 - Structural Effects on Solubility, Melting Point, and Boiling Point

Question 1

Are attractive forces between molecules

Answer 1

Intermolecular forces

Question 2

3 types of intermolecular forces

Answer 2

Van der Waals, Hydrogen bonding, Ion-dipole interaction

Question 3

3 types of Van der Waals forces

Answer 3

London, Debye, Keesom

Question 4

Attractive force that arises as a result of temporary dipoles induced in atoms or molecules; weakest

Answer 4

London dispersion force

Question 5

Electrostatic attraction between the partially positive end of one molecule and the partially negative end of a neighboring molecule

Answer 5

Kessom force/dipole-dipole interaction

Question 6

Electrostatic attraction between a hydrogen attached to an electronegative atom and a lone pair of an electronegative atom in another molecule

Answer 6

Hydrogen bonding

Question 7

Electrostatic attraction between an ion and a polar molecule

Answer 7

Ion-dipole interaction

Question 8

The extent to which a substance is soluble

Answer 8

Solubility

Question 9

“Like dissolves like”

Answer 9

Solubility rule

Question 10

Measure of the ability of the solvent to separate ionic charges

Answer 10

Dielectric constant

Question 11

The temperature at which a substance’s solid form is converted into liquid

Answer 11

Melting point

Question 12

The temperature at which a substance’s liquid form is converted into gas

Answer 12

Boiling point