Exam%202%20grading%20key%2008Oct14

Exam%202%20grading%20key%2008Oct14 - Fall 2008, 4:122 E xam...

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------------- Fall 2008, 4:122 Exam 2 page 1 of 5 Name 1) Draw the indicated structure, being careful to follow the instructions [4 pts each] a) Draw the electron flow (Le., arrows) for NADH transferring a hydride to the carbonyl and complete the structure of indicated portion of NAD+ after the hydride transfer is complete. Use the template at right. b} Show the formation of the eleclrophile for nitration using HN0 3 + H 2 S0 4 . (Don't show addition of the electrophile to a benzene, just its formation.) c) Show ONE resonance structure that most clearly demonstrates why a para product is DISFAVORED by the nitro group. Use the template at right. d) Show ONE resonance structure that most clearly demonstrates why the para product is FAVORED by the hydroxyl group. Use the , template at right. ., 1
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-- Fall 2008, 4:122 Exam 2 page 2 of 5 Name !L~ 2) List the structures in order. Enter the letter: least, first; greatest, last. [3 pts each] a) Acidity 1Q < C- < A ? FCH2C02H
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Exam%202%20grading%20key%2008Oct14 - Fall 2008, 4:122 E xam...

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