formallab1 - TA Daniel Rios Experiment Date Lab Section A10...

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TA: Daniel Rios Experiment Date: April 17, 2008 Lab Section A10 Formal Report 1 Experiment #2 Examination of Two Component Unknown Unknown type C
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Introduction: This experiment is to encourage students to use what they have learned in Organic Chemistry thus far to determine the structure in an unknown solution by performing a series of tests. The compounds are limited to liquid alkenes, alkyl bromides, and alcohols. Procedure: 1. Conduct a preliminary classification. Record observations on color, odor, and physical state. 2. A microscale boiling point determination. Attach a small test tube filled with a sample of the unknown and an upside-down piece of capillary tubing to a thermometer with a rubber band. Insert the thermometer apparatus into a thiele tube and heat it with a bunsen burner. The boiling point is when a steady stream of bubbles escapes the test tube. 3. Solubility in water test. Place 1 mL of water into a test tube and add about 1 drop of the unknown. Record if a precipitate forms.
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