C357_Exam_1_2004_comp - Cornell University Chemistry 357...

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Cornell University Chemistry 357 Summer 2004 Examination I June 14, 2004 Instructions: Read all questions completely before answering. If the question is still unclear, be sure to ask for clarification. You may find it helpful to first answer those questions that you find easier and then return to those you find more difficult. Good Luck!!! Possible Problem Score TOTAL 200 1 20 3 30 4 5 6 7 28 18 12 21 2 24 8 10 9 18 10 10 11 9 Name:_____________________________________________ Signature:__________________________________________
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Page 1 of 9 1) ( 20 pts) Provide an IUPAC name for each of the structures shown below and write your answer on the line to the right of the structure. Or, when given a name, draw the appropriate structure on the line. Be sure to include any required stereochemical designations. A) B) C) D) E) 3,4-diethyl-2,2,7,7-tetramethyloctane H 3 C Br Cl
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Page 2 of 9 2) ( 24 pts) For each of the bonding situations shown below, clearly circle the things (atoms and/or lone pairs) that must be coplanar around this bond/in this molecule , starting with the two atoms of the indicated (by the arrow) bond. Because there are many possible planes involving the indicated bond, you will want to choose the plane with the most things that must be coplanar! Remember the three dimensional shapes of the molecules!
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C357_Exam_1_2004_comp - Cornell University Chemistry 357...

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