CHM 2201 Chapter 3 Sample Exam Answers

 

Chapter 3: Organic Compounds: Alkanes and Cycloalkanes

 

Part A: (Alkane Series)  6 Points

 

Name the first twelve members of the alkane series and give its chemical, semi-structural, or structural  formula:

        

          Name                          Chemical or Semi-structural Formula

1.  Methane   CH4                 CH4

 

2.  Ethane     C2H6               CH3-CH3

 

3.  Propane   C3H6               CH3-CH2-CH3

 

4.  Butane     C4H10              CH3-CH2-CH2-CH3

 

5.  Pentane   C5H12              CH3-CH2-CH2-CH2-CH3

 

6.  Hexane    C6H14              CH3-CH2-CH2-CH2-CH2-CH3

 

7.  Heptane   C7H16              CH3-CH2-CH2-CH2-CH2-CH2-CH3

 

8.  Octane     C8H18              CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3

 

9.   Nonane   C9H20          CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3

 

10.  Decane  C10H22     CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3

 

11. Undecane C11H24   CH3-CH2-CH2- CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3

 

12. Dodecane C12H26 CH3-CH2-CH2- CH2-CH2- CH2-CH2-CH2-CH2-CH2-CH2-CH3

 

Corwin’s table 19.1:

 

What is the general formula for ther Alkane Series? __CnH2n+2________