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Final_key_3331s07 - High = 236 CHEM 3331-100 Spring 2007...

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CHEM 3331-100 Spring 2007 Final Exam Professor R. Hoenigman I pledge to uphold the CU Honor Code: Signature______________________________________________ Name (printed)____________________________________________________ Last four digits of your student ID number_______________________________ Recitation TA_____________________________________________________ Recitation number, day, and time______________________________________ You have 2 hours and 30 minutes to complete this exam. No model kits or calculators allowed. Periodic table and scratch paper are attached. ** You may “purchase” a structure for a name for 3 points each ** DO NOT TURN THIS PAGE UNTIL INSTRUCTED TO DO SO. Recitation Sections: # Day Time TA 122 Monday 5 pm Tom 121 Tuesday 8 am Tom 131 Tuesday 12 pm Tom 132 Tuesday 12 pm Lee 161 Thursday 8 am Tom 171 Thursday 12 pm Lee SCORE: Page 1 ________/30 Page 5 ________/45 Page 2 ________/25 Page 6 ________/40 Page 3 ________/30 Page 7 ________/25 Page 4 ________/35 Page 8 ________/30 TOTAL________/250 High = 236 Low = 54 Average = 173
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CHEM 3331, Spring 2007 Final Exam, Page 1 of 8 1. (3 pts) The compound below contributes to the flavor of rum. Give the IUPAC name for this compound. ethyl formate or ethyl methanoate H O O 2. (3 pts) Give the IUPAC name for the derivative of cadaverine shown below. H 2 N NH 2 OH 1,5-diamino-3-pentanol 3. (15 pts) Circle the more basic compound in each of the following pairs. In the adjacent box provide an explanation for your choice. (2 pts each circle, 3 pts each explanation) A. Book Problem 22.6 N H NH or B. Book Problem 22.7c aniline or p -aminoacetophenone C. N N N H NH or 4. (9 pts) Explain why the reaction below will not generate the desired Gringard reagent. HO Cl HO MgCl Mg + X The magnesium will undergo an oxidation-reduction reaction with the hydroxyl group, rather than with the chlorine.
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