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c) Epoxides readily undergo hydrolysis to give diols. Provide an equation to describe this transformation using styrene epoxide.

c) Epoxides readily undergo hydrolysis to give diols. Provide an equation to describe this transformation using styrene epoxide.

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter19: Nuclear Magnetic Resonance Spectroscopy
Section: Chapter Questions
Problem 19.39QAP
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Given Sample A, need help with part(c). Thank you :)

Part 2. Analysing the enantiopurity. 2. You are provided with a file that has the GC-analysis of five samples, Samples A-E. Sample A is an analysis of authentic racemic styrene oxide. This is an important reference sample that is used to identify which of the signals correspond to the two enantiomers. a) The four most significant peaks (by integration) occur between 12 and 14 minutes. Which two are likely to correspond to the two enantiomers and why? b) If this was truly pure racemic styrene oxide how many signals would you expect? c) Epoxides readily undergo hydrolysis to give diols. Provide an equation to describe this transformation using styrene epoxide. d) How many new signals would this introduce in the GC and why? e) To accurately determine the area of a peak baseline resolution (a flat section between peaks) is generally required. Considering the signals you have identified has this occurred? How do you think this would impact the confidence you have in your subsequent analysis
Transcribed Image Text:Part 2. Analysing the enantiopurity. 2. You are provided with a file that has the GC-analysis of five samples, Samples A-E. Sample A is an analysis of authentic racemic styrene oxide. This is an important reference sample that is used to identify which of the signals correspond to the two enantiomers. a) The four most significant peaks (by integration) occur between 12 and 14 minutes. Which two are likely to correspond to the two enantiomers and why? b) If this was truly pure racemic styrene oxide how many signals would you expect? c) Epoxides readily undergo hydrolysis to give diols. Provide an equation to describe this transformation using styrene epoxide. d) How many new signals would this introduce in the GC and why? e) To accurately determine the area of a peak baseline resolution (a flat section between peaks) is generally required. Considering the signals you have identified has this occurred? How do you think this would impact the confidence you have in your subsequent analysis
FID1 A, Front Signal (107F0701.D) Norm. 200 150 100 50 7 9 10 11 12 13 14 15 16 min $11.193 12.955 13.093 13.268-247
Transcribed Image Text:FID1 A, Front Signal (107F0701.D) Norm. 200 150 100 50 7 9 10 11 12 13 14 15 16 min $11.193 12.955 13.093 13.268-247
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