Lab Reports - Brittney Brown Brittany Mikhail July 9, 2009...

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Brittney Brown Brittany Mikhail July 9, 2009 Dehydration of 2-Methylcyclohexanol Data: Table 1. Name of Products Products Name Product A Methylene-cyclohexane Product B 1-methyl-cyclohexene Product C 3-methyl-cyclohexene Product D Ethylene-cyclohexane Table 2. Substances used in the experiment and the amounts Substance Amount 2-methycyclohexanol 6.1mL 85% phosphoric acid 1mL Distillate 2.257g Calcium chloride Until dry H 2 O 5mL Percent Composition: Product A: (1.94/99.42) * 100% = 1.4% Product B:
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(20.54/99.42) * 100% = 20.7% Product C: (72.07/99.42) * 100% = 73% Product D: (4.87/99.42) * 100% = 4.9% Percent Recovery: (2.257g/3.000g) * 100% = 75.2% Discussion: In this lab, 2-methylcyclohexanol was heated with 85% phosphoric acid to produce a mixture of four different products. The purpose of this lab was to identify relative amounts of the four alkenes in the product using gas chromatography ( 1 ). First, 1 mL of 85% phosphoric acid was added to 2-methylcyclohexanol and swirled in a boiling flask. The mixture was extracted using a steam distillation. The distillate was then poured into a separatory funnel to be extracted then dried with calcium chloride. A dropped of distillate
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Lab Reports - Brittney Brown Brittany Mikhail July 9, 2009...

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