C122 Prelab Assignment Name Section GAS CHROMATOGRAPHY AND FUNCTONAL GROUP ANALYSIS 1. List three advantages of the analytical technique of gas chromatography. 1 2. 3. 2. Why does a GC apparatus have an oven? 3. What are the four types of intermolecular forces that are referred to in the text? 1 2- 3 4. 4. Dimethyl ether (CH3OCH3) is a gas, but its isomer ethanol (CH3CH2OH) is a high boiling liquid. Explain this in terms of intermolecular forces. 5. Name the functional group or groups that appear in each of the following compounds. Also give the IUPAC name for each compound IUPAC Name Functional Group a. CH3CH2OH b. CH3CH2COOH c. O=CHCH2CH2CH3