Postlab3 - Dong Hyun Suh Mr Erdei CHE2204 Post-Laboratory...

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Dong Hyun Suh Mr. Erdei CHE2204 Febrary 23, 2009 Post-Laboratory Report Reduction of a Ketone using a Metal Hydride Reagent: cis- and trans-4-tert Butylcyclohexanol Data: Conical vial = 19.0955 g 4-tert-butylcyclohexanone:0.52g After adding 100uL sodium borohydride: Appears milky white solution. 5mL conical vial + boiling stone: 23.013g 5mL conical vial + boiling stone + product : 23.0683g melting point of the product : 55-58 C Calculations: Mass of product : 0.0513 g (4-tert-butylcyclohexanol) Mass of initial : 0.052 g (4-tert-butylcyclohexanone) Percent yield is 97%
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Dong Hyun Suh Mr. Erdei CHE2204 Febrary 23, 2009 Results/Conclusion: Through the calculations, it can be found that 95% yield from 4-tert- butylcyclohexanone to 4-tert-butylcyclohexanol through the process of reduction. The high yield proves that the experiment was done properly. When examining the IR on page 141-142, we can see the strong band of ketone at about 1650 for the 4-tert-butylcyclohexanone, and in the following
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Postlab3 - Dong Hyun Suh Mr Erdei CHE2204 Post-Laboratory...

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