Milestone 4

Question 1

difluoromethane has a HIGHER boiling point than tetrafluoromethane because…

Answer 1

Dipole-Dipole interactions are stronger than London forces

Question 2

Dichloromethane has a LOWER boiling point than tetrachloromethane because…

Answer 2

Heavier the compound is, the higher the boiling point

Question 3

Silicon dioxide is… and s/g/l

Answer 3

covalent, solid

Question 4

Dihydrogen monoxide has… and s/g/l

Answer 4

hydrogen bonds, Liquid

Question 5

Dichloro methane has… and is s/l/g

Answer 5

dip-dip, Gas

Question 6

lower the vaporization pressure, higher/lower the enthalpy of vaporization

Answer 6

higher

Question 7

Propyl amine has a LOWER bp than hexane because…

Answer 7

the heavier the compound is, the higher the boiling point

Question 8

H2O dissolve order

Answer 8

polar small-large
h-bond small-large
Dipole-Dipole small-large
london small-large

Question 9

Hexane dissolve order

Answer 9

Long dipole - short dipole
Long h bond - short h bond
polar( water)

Question 10

Carbonate

Answer 10

CO3^2-

Question 11

Nitrate

Answer 11

NO3^-

Question 12

Sulfate

Answer 12

SO4^2-

Question 13

Phosphate

Answer 13

PO4^3-