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.DecaneC10H22†††† 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

 

Corwinís table 19.1:

 

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