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Conclusions: 1) Discuss the percent yield. If either the percent yield or percent recovery is less than 60% discuss possible reasons for the low yield/recovery and suggest improvements that a chemist could make to the synthesis to increase the yield or recovery. 2) Interpret the NMR results in terms of purity. What should a chemist do to improve the yield or purity of the product? Discuss the key parts of the NMR for the starting material and pure product. Focus on the peaks that show up after 3 ppm. For the starting material, discuss what those 2 peaks (around 3.5 ppm and 4.7 ppm) correspond to in the structure of cyclohexanol. For the pure product, discuss why those 2 peaks are missing, and there is a new peak for 2H at around 5.6 ppm. Then, discuss the NMR for your actual product from the reaction. Does it contain pure product? If not, what else is there? How do you know this based on the NMR? Based on your understanding of the reaction and LeChatelier's principle, how can you improve the reaction yield? How can you better purify the reaction product?

Conclusions: 1) Discuss the percent yield. If either the percent yield or percent recovery is less than 60% discuss possible reasons for the low yield/recovery and suggest improvements that a chemist could make to the synthesis to increase the yield or recovery. 2) Interpret the NMR results in terms of purity. What should a chemist do to improve the yield or purity of the product? Discuss the key parts of the NMR for the starting material and pure product. Focus on the peaks that show up after 3 ppm. For the starting material, discuss what those 2 peaks (around 3.5 ppm and 4.7 ppm) correspond to in the structure of cyclohexanol. For the pure product, discuss why those 2 peaks are missing, and there is a new peak for 2H at around 5.6 ppm. Then, discuss the NMR for your actual product from the reaction. Does it contain pure product? If not, what else is there? How do you know this based on the NMR? Based on your understanding of the reaction and LeChatelier's principle, how can you improve the reaction yield? How can you better purify the reaction product?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Conclusions: 1) Discuss the percent yield. If either the percent yield or percent recovery is less than 60% discuss possible reasons for the low yield/recovery and suggest improvements that a chemist could make to the synthesis to increase the yield or recovery. 2) Interpret the NMR results in terms of purity. What should a chemist do to improve the yield or purity of the product? Discuss the key parts of the NMR for the starting material and pure product. Focus on the peaks that show up after 3 ppm. For the starting material, discuss what those 2 peaks (around 3.5 ppm and 4.7 ppm) correspond to in the structure of cyclohexanol. For the pure product, discuss why those 2 peaks are missing, and there is a new peak for 2H at around 5.6 ppm. Then, discuss the NMR for your actual product from the reaction. Does it contain pure product? If not, what else is there? How do you know this based on the NMR? Based on your understanding of the reaction and LeChatelier's principle, how can you improve the reaction yield? How can you better purify the reaction product?
Transcribed Image Text:Conclusions: 1) Discuss the percent yield. If either the percent yield or percent recovery is less than 60% discuss possible reasons for the low yield/recovery and suggest improvements that a chemist could make to the synthesis to increase the yield or recovery. 2) Interpret the NMR results in terms of purity. What should a chemist do to improve the yield or purity of the product? Discuss the key parts of the NMR for the starting material and pure product. Focus on the peaks that show up after 3 ppm. For the starting material, discuss what those 2 peaks (around 3.5 ppm and 4.7 ppm) correspond to in the structure of cyclohexanol. For the pure product, discuss why those 2 peaks are missing, and there is a new peak for 2H at around 5.6 ppm. Then, discuss the NMR for your actual product from the reaction. Does it contain pure product? If not, what else is there? How do you know this based on the NMR? Based on your understanding of the reaction and LeChatelier's principle, how can you improve the reaction yield? How can you better purify the reaction product?
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