Practice Exam Final - Final Exam, 180 Minutes A periodic...

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Final Exam, 180 Minutes Page 2 of 15 A periodic table was provided 1) 15 Points (a) Name the famous scientist largely responsible for the concept of “bonding and molecular orbitals” Answer: (b) What is the degree of unsaturation of C 9 NH 5 Cl 2 ? Answer: (c) Explain briefly why water is not usually effective in extinguishing a gasoline fire. Answer: (d) (e) What is the formal charge on each atom shown by an arrow? CNN H H Answer: How many C atoms are in the sp 2 hybridization state Answer: How many C atoms are in the sp 3 hybridization state O CH 3 O CN CCCC O CH 3 HH (f) What is the size of the M+1 peak relative to the size of the molecular ion (M+) peak for C 6 H 14. Write your answer as a % value Answer:
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Page 3 of 15 2. 14 Points . Name (IUPAC nomenclature) or draw the following compounds, show stereochemistry where appropriate H OH CH 3 OH CH 2 CH 3 H OCH 3 F CH 3 CH 3 CH 2 CH 3 CH 2 Cl H 3 C OH H OH 3,3-dimethyl-5-hexyn-2-ol (Z)-4-fluoro-2-iodo-2-pentene (S)-1-ethyloxacyclopropane
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P a g e 4 o f 1 5 3. 15 Points. (a) Sketch a complete and fully labeled potential energy diagram for the formation of CH 3 Cl from methane and chlorine. You can assume that chlorine radicals are always available to start the reaction. (Make sure the diagram is fully legible, use all the space provided). (b) Write a detailed mechanism for the formation of ethene H 2 C=CH 2 by cracking of butane C 4 H 10 .
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Page 5 of 15 4. 16 Points. Explain each of the following observations: (a) (S)-3-bromo-3-methylhexane reacts in aqueous acetone to afford racemic 3-methyl-3-hexanol.
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Practice Exam Final - Final Exam, 180 Minutes A periodic...

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