su10org1e2ans

su10org1e2ans - Summer 2010 Exam 2 Chapters 5-8 100points...

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Summer 2010 Exam 2 Chapters 5-8 100points Name Answer all the questions. 1) (12 pts) Assign (R) or (S) to all the chiral centers in the following molecules and mark the priority of each group around a chiral center (just the top chiral carbon in molecule b). a) 4 pts b) 3,1 pts c) 4 pts To “assign” correctly you must 1) find the priorities for the four atoms, 2) draw the arrow in the correct direction according to whether you placed the molecule with the lowest group facing you or in back, 3) choose R or S according to whether the arrow is clock-wise or not. If you make two mistakes, you will have coincidently found the designation, but you will not have assigned it correctly. Cl H HO 2 C CH 3 CH 3 Br H Br H CH 3 CH 3 H a) b) c) Cl H HO 2 C CH 3 H nH nL L H nH nL S L nL H nH R R H nH nL L H 3 C H H nH nL L S H 3 C H H nH nL S facing OR back 2) (1 pt) Identify all the compounds above as either chiral or achiral. a) chiral b) chiral c) chiral 1
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3) (8 pts) Name these alkenes in IUPAC form. E and Z designations must be used when applicable.
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This note was uploaded on 08/16/2011 for the course CHEM 307 taught by Professor Several during the Spring '08 term at Rutgers.

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su10org1e2ans - Summer 2010 Exam 2 Chapters 5-8 100points...

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