Chem Ch. 11

what is the strongest type of molecular force present in NH2CH3

which exhibits dipole-dipole as its strongest molecular force

a. H2
b. SO2
c. NH3
d. CF4
e. BCl3

which has the smallest dipole-dipole force

a. CH3Cl
b. Hbr
c. O2
D. NO

which of the following only exhibits dispersion and dipole-dipole intermolecular forces?
a. H2
b. HI
c. CO2
d. CH3NH2

choose the substances with the lowest surface tension

a. CH3SH
b. CH3CH2CH2CH3
c. C6H6
d. H2O
e. (CH3)2CO

choose substance with the lowest viscosity

A. Cl3CCCl3
b. Cl2CHCH2Cl
c. Cl2CHCHCl2
D. ClCH2CH2Cl
E. Cl3CCHCl2

substance with highest vapor pressure

A. SiS2
B. RbCl
C. CH3SCH3
D. BF3
E. SbH3

lowest vapor pressure

A. CO2
B. BeCl2
C. BF3
D. He
E. PF5

which would have the highest heat of vaporization

a. Xe
B. C6H6
C. SiF4
D. Br2
E. N2

Place the following substances in order of decreasing vapor pressure at a given temperature.

BeF2 CH3OH OF2

Which of the following compounds has the highest boiling point?

A) H2O
B) H Cl
C) H2S
D) N H3