Chem2070prelim2-2013final

Chem2070prelim2-2013final - CHEMISTRY 2070 PRELIM II Your...

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CHEMISTRY 2070 PRELIM II November 19, 2013 Your Name: ( Please print ) Last First CORNELL NetID Lab Section Day/Time: Lab TA: Complete academic integrity is expected of all students of Cornell University at all times, whether in the presence or absence of members of the faculty or teaching staff. Understanding this, I declare that I shall not give, use, or receive unauthorized aid in this examination. Your Signature: There are 7 (multipart) questions and a total of 14 pages (including this cover sheet, a blank page after all the questions, a page of potentially useful facts and a periodic table at the end). Make sure that your examination booklet is complete. The prelim is not designed with the idea that all, or necessarily any of you, will complete each and every question. Work strategically; if you find a problem that seems to require a large amount of time, you should probably work on other questions first. . . and when you return, try a different approach! Write your answers directly on these sheets. Use the blank page, or if necessary the backs of pages, but clearly indicate on the problem page where work can be found. If you need to include additional pages, please attach them securely to the rest of the test book. Be brief, concise, and neat. Proctors are not allowed to interpret questions for you. No additional formulas, or values of fundamental constants, are required to answer these questions; if you believe that there is missing information, please check to make sure that you have taken advantage of any information provided to you in the problem. You may leave when you are finished, except in the final minutes of the exam. Please do so quietly after turning your paper. Question 1. (25) Question 2. (34) Question 3. (24) Question 4. (20) Question 5. (22) Question 6. (18) Question 7. (32) Total (175) Show your work! (Unless you don’t care to receive partial credit). Many of the questions in this exam might seem to be answerable with just a “lucky guess”; full credit will require some explanation for your guess. 1
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1. Below are shown various properties of atomic and/or molecular orbitals. Identify as fully as possible which AO or MO is illustrated in each.
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