PracticeQuestionsChap5-key

PracticeQuestionsChap5-key - ANSWER KEY - Chem 2261...

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ANSWER KEY - Chem 2261 Practice Questions for Chapter 5 1 1. (8 pts) Draw structures corresponding to the following IUPAC names: ( R )-3-methylcyclopenten e( E )-1-chloro-3-methyl-3-hexene Cl 2. (18 pts) Indicate if each of the molecules is either chiral or achiral. Chiral or Achiral H Me H Me H Cl Cl H Chiral or Achiral HO OH OH OH OH OH Chiral or Achiral HO OH OH OH OH OH Chiral or Achiral Me Me H H Chiral or Achiral O O Chiral or Achiral HO OH OH Achiral Chiral Achiral Chiral Chiral Achiral
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Practice Questions for Chapter 5 2 3. (8 pts, 4 pts ea) There are 8 diastereomers of 1,2,3,4,5,6-hexachlorocyclohexane. One of these, Lindane, is an insecticide (no longer used in the United States). a) Draw two achiral diastereomers of Lindane on the templates provided using dashes and wedges to indicate relative stereochemistry. Cl Cl Cl Cl Cl Cl Lindane achiral diastereomer (add chlorines) achiral diastereomer (add chlorines) Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl Cl are also achiral Cl Cl Cl Cl Cl Cl b) Draw one chiral stereoisomer of 1,2,3,4,5,6-hexachlorocyclohexane and its mirror image on the templates provided.
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This note was uploaded on 09/22/2008 for the course CHEM 2261 taught by Professor Crowe during the Fall '08 term at LSU.

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PracticeQuestionsChap5-key - ANSWER KEY - Chem 2261...

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