TT2wAns - A = Br OH B = Br OH C = OH D = 3. ( 10 marks )...

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CHM 138H Term Test II (November 18 th 2009) Answer Sheet NAME: _ MODEL ANSWERS Student #: _________________ Tutorial Gp. #: __________ Part I. ( 20 marks ) Multiple Choice Answers: Question 1 2 3 4 5 6 7 8 9 10 Answer b d c a c d d b e b Part II. Short Answers: 1. ( 12 marks ) Draw appropriate line structures to represent each of the organic molecules in Q1. (a). Cl H (b). (c). H Br 2. ( 12 marks ) Draw line structures for either the major products ( A , B and C ) or the required starting material ( D ). Show regiochemistry and stereochemistry where necessary.
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Unformatted text preview: A = Br OH B = Br OH C = OH D = 3. ( 10 marks ) (a). Chiral centres: OH H Br H 3 C CH 3 OH H Br R S (b). Chiral? (yes or no): No (meso compound) (c). Compound E : HO H H 3 C CH 3 Br Br H OH 4. ( 16 marks ) (a). Alcohol formed faster: OH (a). Alcohol formed slower: OH (b). Energy diagram: + H 3 O + alcohol Energy Reaction progress alcohol I 1 I 2 (c). Mechanism: OH H O H H + + O H H . + O H H O H H I 1 I 2 For Markers Only: Question MC/20 Q1/12 Q2/12 Q3/10 Q4/16 Total/70 Mark...
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This note was uploaded on 05/09/2010 for the course CHEMISTRY 138 taught by Professor Dicks during the Spring '10 term at University of Toronto- Toronto.

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TT2wAns - A = Br OH B = Br OH C = OH D = 3. ( 10 marks )...

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