14D_w10_e02A

14D_w10_e02A - Chemistry 14D Winter 2010 1. Exam 2A Page 1...

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Chemistry 14D Winter 2010 Exam 2A Page 1 Page 1 score = 1. (6) Write the major organic product, best reactant(s) or best starting material in the boxes. Assume reagents above/below the arrows are in excess unless otherwise specified. Do not include any mechanism details . If no reaction occurs write “NR.” (a) OH (b) O 2 N Br 2 , FeBr 3 Questions 2 – 4 refer to this reaction: OCH 3 HBr OCH 3 Br + OCH 3 Br 2. (1) In the space above circle the major product of this reaction. 3. (5) Write the mechanism for the formation of the major product you selected. Label the rate- determining step with “rds.” 4. (3) By adding, subtracting or otherwise changing at most six atoms of the nucleophile, rewrite the reaction (including the major product) so that it is obviously faster. 5. (6) Complete this explanation by adding no more than thirty words : My new reaction of question 4 is faster because. ..
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Chemistry 14D Winter 2010 Exam 2A Page 2 Page 2 score = 6. (7) Circle the major product of the following reaction, and write a mechanism for its formation. OH
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14D_w10_e02A - Chemistry 14D Winter 2010 1. Exam 2A Page 1...

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