13.2: Intermolecular Forces

 

 

1.  Which set of compounds are placed in the order of instantaneous dipole, dipole/dipole and hydrogen bonding as the primary intermolecular forces.

(A)  CH4, H2O, H2Se

(B)  CH4, H2Se, H2 O

(C)  H2Se, CH4, H2O,

(D)  H2O, H2Se, CH4

 

 

2.  Arrange the following compounds in order of Increasing boiling points

(A)  H2O < H2S < H2Se < H2Te

(B)  H2Te < H2O < H2S < H2Se

(C)  H2Te < H2Se < H2S < H2O

(D)  H2S < H2Se < H2Te < H2O

 

 

3.  Arrange the following compounds in order of increasing boiling point

(A)  H2O < HF < NH3 < CH4

(B)  CH4 < NH3 < H2O < HF

(C)  HF < H2O < NH3 < CH4

(D)  CH4 < NH3 < HF < H2O

 

 

 

4.  Which compound is the most polarizable?

(A)  I2

(B)  H2

(C)  F2

(D)  Br2

 

 

 

5.  What type of intermolecular forces are strongest?

(A)  dipole-dipole

(B)  instantaneous dipole-induced dipole

(C)  dipole-induced dipole

(D)  hydrogen bonding

 

 

6.  Which species can not be involved with hydrogen bonding?

(A)  HF

(B)  H2O

(C)  NH3

(D)  NH4+

 

 

7.  What intermolecular force is responsible for the dissoultion of oxygen into water?

(A)  hydrogen bonding

(B)  instantaneous-induced dipole

(C)  dipole-induced dipole

(D)  dipole-dipole

 

 

8.  Which has the highest boiling point?

(A)  CH4

(B)  SiH4

(C)  GeH4

 

 

9.  Which has the highest boiling point?

(A)  NH3

(B)  PH3

(C)  CH4

(D)  SiH4

 

 

10.  What angle best approximates the geometric structure of ice?

(A)  90o

(B)  109o

(C)  120o

(D)  180o