Draw a structural formula for the alkane called hexane.

a. The reaction of chlorine with methane is called a substitution reaction. Why?

b. What special condition is needed for this reaction?

Ethane reacts with chlorine, in a substitution reaction.

a. Draw the structural formula for each compound that can form, as the reaction proceeds. (Isomers too!)

b. Write the formula for each compound in a.

The compound ${\mathrm{C}}_5{\mathrm{H}}_{12}$ has three isomers.

a. Draw the structures of these isomers.

b. Their boiling points are 9.5, 28, and 36 degree Celsius. Match these to your drawings, and explain your choice.