262-4 - Anusha Vadlamudi TA: Lindsay Aldridge Chem 262 L...

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Anusha Vadlamudi TA: Lindsay Aldridge Chem 262 L 401; Rm: 300 Experiment IV: Dehydration of 2-Methylcyclohexanol To a 5-mL round-bottomed flask with a magnetic stir bar, 3 mL of 2- methylcyclohexanol, 1 mL of 85% phosphoric acid, and a boiling chip were added. The reaction was set to reflux for about 30 minutes. The condenser was then covered with an aluminum foil and the product was distilled. The vapor temperature was kept under 96°C. The product was distilled until 2 to 3 mL of liquid has been collected. Of the two layers seen, the top layer is the organic layer and the bottom layer is the aqueous layer with impurities. The bottom layer appeared more cloudy than the top one. The top layer was then transferred using a disposable pipette into a vial. The organic layer was then dried with magnesium sulfate. The solution had visible white solid particles at the bottom after drying. The product was then analyzed by gas chromatography. For this experiment, the
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This note was uploaded on 02/23/2010 for the course CHEM 262L taught by Professor Mbadugua during the Spring '08 term at UNC.

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262-4 - Anusha Vadlamudi TA: Lindsay Aldridge Chem 262 L...

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