310MSp06FinalExamKey - DO ALL QUESTIONS!!! BEST OF LUCK!!!...

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Unformatted text preview: DO ALL QUESTIONS!!! BEST OF LUCK!!! Last Name: First Name: CH 310M/318M TTh 8:009:30 (52810/53030) Spring 2006 Dr. Brian M. Bocknack Final Examination Answer Key Thursday, May 11, 2006 2:00 p.m.5:00 p.m. Do not open this exam booklet until you are told to do so! This exam is closed book, meaning no books, notes, calculators, or molecular models are allowed. PLEASE WRITE YOUR NAME AT THE TOP OF EACH PAGE !!! No regrades are possible for this exam, so you may feel free to use pencil. If you do use a pen, only blue or black ink is acceptable. Answers written in red ink will not be graded. Be prepared to show your valid UT ID card to a proctor when attendance is taken, and also when you turn in your exam. You may not leave the exam room for any reason until you turn in your exam. Once you turn in your exam and leave the exam room, you will not be allowed to return!!! Page Page Page 2 (20) 9 (40) 16 (15) 3 (25) 10 (20) 17 (20) 4 (20) 11 (20) 18 (25) 5 (20) 12 (20) 19 (20) 6 (20) 13 (15) 20 (20) 7 (20) 14 (15) 8 (25) 15 (20) Total (400) Including this cover page, 3 blank pages (scratch paper), and the last page, which contains a periodic table and a table of pK a values, this exam contains 24 pages. Please feel free to tear off the scratch paper and the periodic table to use as you work through the exam. Check this box if you are making up an incomplete from a previous semester Last Name: First Name: 2 1. (Problem worth 20 points) PLEASE READ THIS QUESTION VERY CAREFULLY !!! The rather large molecule shown below is an example of a triglyceride . Triglycerides are the primary component of vegetable oils and animal fats. They are important in metabolism as an energy source. High levels of triglycerides in the bloodstream, however, have been linked to an elevated risk for heart disease and/or stroke. The molecular formula of the triglyceride shown below is C 59 H 108 O 6 . O O O O O O Answer the questions below about this triglyceride. Part (a) is worth 2 points. Parts (b) through (g) are each worth 3 points. In parts (b) through (g), the part of the structure that you should look at is marked with an arrow. Note that parts (f) and (g) both refer to the same double bond in each of these parts, describe the type of bond and the orbitals that overlap to form this bond for only one of the two bonds in this double bond. (a) Unsaturation number = (b) Bond angle = (c) Hybridization = (d) Hybridization = (e) Functional group = (f) Type of bond ( or ) = Orbitals that overlap to form this bond: (g) Type of bond ( or ) = Orbitals that overlap to form this bond: 6 120 o sp 3 sp 2 ester sp 2-sp 2 p-p End Problem #1 Page Total (b) (c) (d) (e) (f) (g) Last Name: First Name: 3 2. (Problem worth 25 points; each box worth 5 points) PLEASE READ THIS QUESTION VERY CAREFULLY !!! Each structure shown below is a resonance hybrid . Fill in the empty boxes to show the other important contributing resonance structures...
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310MSp06FinalExamKey - DO ALL QUESTIONS!!! BEST OF LUCK!!!...

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