Practice Assignment - 7. Write out all the structural and...

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M. Brook, mabrook@mcmaster.ca 1 CHEMISTRY 2A03 2010 Practice Assignment (not for marks, but will help you with assumed knowledge) Answers will be posted on Sept. 20 ________________________________________________________________________________ 1. Draw line structures for all the structural isomers of molecular formula C 5 H 11 Cl. 2. Name all the functional groups in the following molecule. OCH 3 O O H H 2 N O OH 3. Write Lewis structures for the following: i) CH 3 O 2 CH 3 ii) HCO 2 CH 3 iii) BrCHCH 3 CH 2 Cl iv) CH 3 COC 2 H 5 v) CH 3 CHNOH 4. Write out the structural formulas for the following molecules. i) 2-amino-1-hydroxybutane ii) cis -1-chloro-3-methylcyclopentane iii) 2-bromo-3-chloro-3- methylhexane 5. Determine the E or Z geometric configurations for the following alkenes and name them. i) ii) Br H iii) OCH 3 6. Draw Newman projections for 1-propanol looking along the C1-C2 bond. Label each conformer as anti or gauche . Which of these three would you expect to be the most stable.
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Unformatted text preview: 7. Write out all the structural and geometric isomers (stereoisomers) of chloromethylcyclohexane. Use planar projections formulae and indicate the orientation (stereochemistry) of the Cl and Me groups by using a wedged line (out of the plane of the page) and dashed line (below the plane of the page). Label each of the isomers are cis or trans . 8. How would you make: i) 3-octanol from hexanal M. Brook, mabrook@mcmaster.ca 2 ii) 1-octanol from 1-bromoheptane iii) cyclohexanol from cyclohexene iv) trans-1,2-dibromocyclohexane from cyclohexanol v) cyclohexene from cyclohexanol vi) methyl propionate from propionic acid 9. There are two possible products from the following reaction. Which one will predominate and why? 10. In the reaction below, explain which products (s) will predominate and why. HO O-HO-11. In the reaction below, explain which products (s) will predominate and why. HI...
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This note was uploaded on 05/16/2011 for the course CHEM BIO 20a3 taught by Professor Stover during the Fall '10 term at McMaster University.

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Practice Assignment - 7. Write out all the structural and...

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