chm2210ps8sol

chm2210ps8sol - Organic Chemistry I Problem Set 8 Answer...

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CH 3 CH 3 Br H H Br CH 3 CH 3 CH 3 Cl Br H Br Cl H CH 3 Cl CH 3 Br H CH 3 H Cl Br CH CH 3 Cl CH 3 CH 3 CH CH 3 Cl Cl Cl Cl Cl Cl Cl Cl Cl CH 3 Cl H Cl H H Cl CH 3 CH 3 Cl H H Cl H Cl CH 3 CH 3 OH H HO CH 3 H H CH 3 CH 3 HO OH H Organic Chemistry I Problem Set 8 Answer Key Stereochemistry I. For questions 1-10, pick from these answers: a. constitutional isomer b. identical structures c. enantiomers d. diastereomers __d _ 1. stereoisomers that are not mirror images __d _ 2. cis trans isomers __b _ 3. __a _ 4. __c _ 5. __b _ 6. __c _ 7. __b _ 8. __b _ 9. __b _ 10.
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II. Answer the following: 1. A certain chiral molecule has an [ ] D 20 = 12.0°. What is the specific rotation for the molecule which is its mirror image? –12.0° 2. A mixture of the enantiomers in question 1. has a measured rotation of –2.4°. What is the optical purity of this mixture? What is the mole fraction of each component? ( -2.4° / 12.0° ) x 100% = 20% optically pure
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chm2210ps8sol - Organic Chemistry I Problem Set 8 Answer...

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