Indicate whether each of the following pairs represent structural isomers or the same molecule:


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Draw an example of a saturated four carbon compound and an unsaturated four carbon compound.

Are the pairs of compounds shown below the same molecule, isomers, or different molecules? <IMAGE>

Identify the following as alkanes, alkenes, cycloalkenes, or alkynes:

d. <IMAGE>

Identify the following as alkanes, alkenes, cycloalkenes, or alkynes:

a. <IMAGE>

Identify the compounds in each of the following pairs as structural isomers or not structural isomers: (11.3)

b. <IMAGE>

Write the molecular formula for an alkane with 5 C atoms.

Write the molecular formula for an alkyne with 4 C atoms.

Which of the following molecular formulas might indicate an alkene?