ORGO_ch_6_definition_worksheet_

ORGO_ch_6_definition_worksheet_ - A) Chiral D) Achiral E)...

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CH 5: Leo Sitruk 20/10/2008 1) Briefly define Markovnikov rule of stereoselection 2) What is the first step to an electrophylic addition (EA) ? 3) What is the main principle of NMR ? CH 6: (mostly) Define the following, and give an example : I. Isomers (same molecular formulae. Note that all these isomeric terms are relational: they describe two molecules relation to each other) A) Constitutional Isomers a. Regioisomers. B) Stereioisomers a. Enantiomers b. Diastereomers C) Conformational ‘Isomers’ (conformers) II. Symmetry/ absence of symmetry (also mention which are optically active)
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Unformatted text preview: A) Chiral D) Achiral E) Meso III. Streoalabels A) R. B) S. C) E. D) Z. E) Cis F) Trans IV. Optical activity A) Dextrorotatory B) Levorotatory IV. Optically active ? (answer by YES or NO) A) A chiral molecule that has a trans stereocenter. B) An achiral molecule with a cis and a trans sterocenter. C) A racemic mixture. D) A meso molecule. V. What atomic property defines the higher priority path that permits us to asses if a stereocenter is cis/trans; R/S ?...
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ORGO_ch_6_definition_worksheet_ - A) Chiral D) Achiral E)...

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