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Key1 - CHEMISTRY 140B NAME (please print) FIRST LAST...

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CHEMISTRY 140B NAME (please print) MIDTERM EXAM 1 FIRST LAST A UG 20, 2007 (V OLLHARDT 5 TH E D , C P 10-12) SIGNATURE ID NUMBER LAST NAME OF PERSON SEATED TO YOUR RIGHT : LAST NAME OF PERSON SEATED TO YOUR LEFT : DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO . Please sign your name on the top of pages 1 through 6. Please check that you have 8 pages (including this one; page 8 is blank for your scratch work). Page 7 contain tables of NMR data. - Answer only in the space provided. Do not write answers on the back of a page. _____________________________________ Question Points Score _____________________________________ 1. 30 _____ 2. 20 _____ 3. 25 _____ 4. 25 _____ _____________________________________ Total 100 _____ _____________________________________ H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
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NAME:________________________________ 2 1a. (16 pts) On the lines provided indicate the number of hydrogen and carbon environments for each molecule (assume all spectra are recorded at room temperature): O O H C H C H C H C Br Cl Cl Br Br Cl Br Br 4 4 4 5 3 3 4 4 1b. (8 pts) On the line provided indicate the number of doublets expected in the 1 H NMR spectrum of each molecule. Assume that hydrogens in two different environments will
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Key1 - CHEMISTRY 140B NAME (please print) FIRST LAST...

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