Chem Ch. 11

Question	Answer
what is the strongest type of molecular force present in NH2CH3	hydrogen bonding
which exhibits dipole-dipole as its strongest molecular force a. H2 b. SO2 c. NH3 d. CF4 e. BCl3	c. NH3
which has the smallest dipole-dipole force a. CH3Cl b. Hbr c. O2 D. NO	O2
which of the following only exhibits dispersion and dipole-dipole intermolecular forces? a. H2 b. HI c. CO2 d. CH3NH2	b. HI
choose the substances with the lowest surface tension a. CH3SH b. CH3CH2CH2CH3 c. C6H6 d. H2O e. (CH3)2CO	CH3CH2CH2CH#
choose substance with the lowest viscosity A. Cl3CCCl3 b. Cl2CHCH2Cl c. Cl2CHCHCl2 D. ClCH2CH2Cl E. Cl3CCHCl2	D. ClCH2CH2Cl
substance with highest vapor pressure A. SiS2 B. RbCl C. CH3SCH3 D. BF3 E. SbH3	D. BF3
lowest vapor pressure A. CO2 B. BeCl2 C. BF3 D. He E. PF5	ionic bonding BeCl2
which would have the highest heat of vaporization a. Xe B. C6H6 C. SiF4 D. Br2 E. N2	Br2 all have DISPERSION so go by molar mass
Place the following substances in order of decreasing vapor pressure at a given temperature. BeF2 CH3OH OF2	BeF2 is ionic CH3OH is h-bond OF2 is neither OF2>CH3OH>BeF2
Which of the following compounds has the highest boiling point? A) H2O B) H Cl C) H2S D) N H3	A) H20

Resource summary

	Created by newsha over 10 years ago