An enantiomerically enriched sample of 2-butanol has an observed optical rotation of 6.7". Enantiomerically pure (S)-(+)-2-butanol has a specific rotation of +13.5. Use this information to answer the following questions. a) What is the optical purity of the mixture? Type your answer here. b) What is the ratio of the S and Renantiomers in the mixture? Type your answer here Type your answer here % Risomer Type your answer here Type your answer here c) if the ratio of enantiomers were adjusted to 9:1, what would be the optical purity of the sample? %ee d) What ratio of enantiomers is needed to obtain an optical purity of 99%? %ee in favor of the Sisomer (R) % Sisomer, Type your answer here. (S):

An enantiomerically enriched sample of 2-butanol has an observed optical rotation of 6.7". Enantiomerically pure (S)-(+)-2-butanol has a specific rotation of +13.5. Use this information to answer the following questions. a) What is the optical purity of the mixture? Type your answer here. b) What is the ratio of the S and Renantiomers in the mixture? Type your answer here Type your answer here % Risomer Type your answer here Type your answer here c) if the ratio of enantiomers were adjusted to 9:1, what would be the optical purity of the sample? %ee d) What ratio of enantiomers is needed to obtain an optical purity of 99%? %ee in favor of the Sisomer (R) % Sisomer, Type your answer here. (S):

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter16: Aldehydes And Ketones

Section: Chapter Questions

Problem 16.71P

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