McMinn

Study Guide -- Lab 2

After reading pages 626-627, 641-660, and the supplement to Handout 1, you should be able to do the following:
1. Describe the common procedure for determining the melting point of an unknown sample. 2. Describe how an extraction can be used to effect a separation, Fig. 7.1.

3. Define miscible and soluble.

4. Explain what is meant by the following statement "The organic reaction mixture was washed" and understand the purpose of a water wash.

5. Explain why it is better to extract several times with small portions rather than a single time with a large portion.

6. Delineate the steps necessary to separate the lower layer in an extraction, Fig. 7.5.