chem118AF08Midterm2Key

chem118AF08Midterm2Key - Chem 118A, Fall 2008, Midterm 2...

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(1) (12 points total) Please identify each of the following pairs of molecules as either: A : constitutional isomers B : stereoisomers (in which case you must also indicate if they are enantiomers or diastereomers) C : different representations of the same molecule D : not the same molecule, but also not isomers Chem 118A, Fall 2008, Midterm 2 _______________________________ name Br Br Cl Cl Cl Cl ( enantiomers) ( key
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(2) (12 points total) Please correctly label each of the following molecules as chiral or achiral . If the correct answer is , please also indicate whether or not the molecule is a meso compound . Chem 118A, Fall 2008, Midterm 2 _______________________________ name HO OH Br H CH 3 CH 3 H Br key
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(3) (20 points total) Consider the substituted cyclohexane shown below. (a) Please draw a valid "chair" picture of this molecule. Show all hydrogens attached to the cyclohexane ring explicitly (you do not need to show the H's on the CH 3 groups explicitly) . (b) Please draw the "chair-flipped" conformer of the structure you drew in part a. Again,
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This note was uploaded on 02/07/2011 for the course CHE 118A taught by Professor Patten during the Fall '08 term at UC Davis.

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chem118AF08Midterm2Key - Chem 118A, Fall 2008, Midterm 2...

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