FNL SP07 - Chemistry 13 Final Exam Form A May 7, 2007 Name...

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Chemistry 13 Name _______________________ Final Exam Form A Section _______________________ May 7, 2007 Student No. _______________________ IMPORTANT : On the scantron (answer sheet), you MUST clearly fill your name , your student number , section number , and test form (white cover = test form A; yellow cover = test form B). Use a #2 pencil. There are 38 questions on this exam. Check that you have done all of the problems and filled in the first 38 bubbles on the scantron. The maximum score on this exam is 38 points. Your score will be reported in percent (max 100%). Exam policy Calculators with text-programmable memory are not allowed. Relevant data and formulas, including the periodic table, are attached at the end of this exam. Your grade will be based only on what is on the scantron form. The answer key will be posted on the web after the exam (on the Exam Schedule page). Hints As you read the question, underline or circle key words to highlight them for yourself. Avoid errors from "mis-reading" the question. Pay attention to units and magnitudes (decimal places) of numbers obtained from calculations. There is no penalty for guessing. CHEMISTRY 13 EXAM May 7, 2007 FORM A ---------------------------------------------------------------------------------------------- 1. The most common oxidation states for elements in group 5 are: A. +1 and +2 B. +2 and +4 C. +2 and +5 D. +3 and +5 E. +4 and +5 ------------------------------------------------------------------------------------------------------------ 2. Which of the following transition metal complexes will be diamagnetic? A. [Fe(H 2 O) 6 ] 2+ (high spin) B. [Fe(CO) 6 ] 2+ (low spin) C. [Fe(H 2 O) 6 ] 3+ (high spin) D. [Fe(CO) 6 ] 3+ (low spin) E. [Fe(NH 3 ) 6 ] 3+ (low spin) ------------------------------------------------------------------------------------------------------------ 3. Which of the following complexes is colorless ? A. [Cd(H 2 O) 6 ] 2+ B. [Co(H 2 O) 6 ] 2+ C. [V(H 2 O) 6 ] 2+ D. [Fe(H 2 O) 6 ] 2+ E. [Cu(H 2 O) 6 ] 2+ ------------------------------------------------------------------------------------------------------------ 4. During the formation of transition metal complexes the added stability (increased K f ) observed for the binding of 3 bidentate ligands as compared with 6 monodentate ligands, referred to as the chelate effect, is primarily due to: A. ! H rxn is more exo thermic for bidentate ligands. B. ! H rxn is more endo thermic for bidentate ligands. C. ! S rxn is greater for bidentate ligands. D. ! S rxn is smaller for bidentate ligands. E. ! G rxn is more positive for bidentate ligands. ------------------------------------------------------------------------------------------------------------
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------------------------------------------------------------------------------------------------------------ 5. When the following reaction is balanced in base , the coefficient for H 2 O will be: MnO 4 (aq) + Br (aq)
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This note was uploaded on 07/23/2008 for the course CHEM 112 taught by Professor Vandersluys,lorschmid,kylem during the Fall '07 term at Pennsylvania State University, University Park.

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FNL SP07 - Chemistry 13 Final Exam Form A May 7, 2007 Name...

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