Exam_2_ReviewRobRyan

Exam_2_ReviewRobRyan - http:/www.usc.edu/si Chem 322a...

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http://www.usc.edu/si Robert saddawiksi@gmail.com 1 Chem 322a Midterm 2 Review 10/21/2007 Ryan rschuber@gmail.com 1 Exam 2 The Saga Continues… Stereoisomerism 1. Enantiomers are non ______________________ ________ images. 2. Indicate on the line below each structure whether the structure is chiral or achiral. In each structure, identify all stereocenters with an asterisk (*). A stereocenter is defined according to the definition in lecture and in our text. 3. The configurations of the stereocenters in the two compounds below are
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http://www.usc.edu/si Robert saddawiksi@gmail.com 2 Chem 322a Midterm 2 Review 10/21/2007 Ryan rschuber@gmail.com 2 4. Identify the pairs of the structures below as constitutional isomers , enantiomers , diastereomers , or same compound . Be careful to select the most precise defining term. 5. Optically pure (100% ee) (S)-glyceraldehyde has a specific rotation of [ ] D = -8.7 o . A sample of glyceraldehydes that shows a specific rotation of +0.87 o is a mixture of (circle answer) 10% R/ 90% S 45% R/ 55% S 55% R / 45% 90% R/ 10% S Which statement is correct about the structures below? C
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This note was uploaded on 10/12/2009 for the course CHEM 322AL at USC.

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Exam_2_ReviewRobRyan - http:/www.usc.edu/si Chem 322a...

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