EXAM2_Practice questions

EXAM2_Practice questions - Practice questions for Exam 2...

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Practice questions for Exam 2 CHEM237 Fall 2008 Chapter 5 1. Label each molecule as chiral, achiral, or achiral/meso . And label each chiral center in the molecule as R or S. O CH 3 CH 3 CH 3 H O CH 3 H Cl Cl H H OH Cl H 2 N H O HO CH 3 Br Cl H 3 C H H CH 3 HO CH 2 CH 2 OH OH H 3 C Cl H H CH 3 O CH 2 H 3 C H CH 3 OH C CH 3 CH 3 H CH 3 H CO 2 H NH 2 2. Identify all chiral centers in each of the following compounds and label each chiral center ( * ) .
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3. Which of the following terms best describes the pair of compounds shown: enantiomers , diastereomers , or the same compound ? OH C O H HO HO OH C O H HO HO H Br H Br Cl H Br F F H Cl Br
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CH 2 OH H Br CH 3 H Cl CH 2 OH H Br CH 3 Cl H
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Chapter 6 and 7 Substitution reactions and general concept questions 1. Rank the following carbocations in order of stability . CH 3 + CH 3 + + 2. Rank the following anions in order of nucleophilicity . O O O CH 3 O - 3. Circle the best solvent for S N 2 reaction.
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This note was uploaded on 03/03/2010 for the course CHEM 237 taught by Professor Chong during the Fall '10 term at Illinois Tech.

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EXAM2_Practice questions - Practice questions for Exam 2...

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