CHM 2210C Chapter 2 Part B Sample Exam                

Chapter 2 Part B: Dipoles in Molecules      10 points

 

Draw the stick/dot structure for the following compounds, then sketch the dipoles showing the bond angles.The electronegativity of selected nonmetal elements:

 F 4.0;   O 3.5;   N 3.0;   Cl 3.0;  Br 2.8;  C 2.5;   S 2.5;   H 2.1;   P 2.1

 

 

_____________1.  H2O

 

 

 

_____________2.  CO2

 

 

 

__________ _ _3.  C2H4

 

 

 

_______ ______4.  SO2

 

 

 

__________ ___5.  SO3

 

 

 

________ _____6.  HCN

 

 

 

_________ ____7.  CH4

 

 

 

________ _____8.  NH3

 

 

________ _____9.  CH2O

 

 

_________ ____10. C2H4