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Tey Houston Community College Ho Final Examination Organic Chemistry I CHEM 2423 Practice Exam A Name
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CH H 3 CH, \ Lee | ooo JN CH; -C-C = C-CH)-CH; CH, CH; H I | cH, © (a) (b) PART IL. (2 points each) 3.A 4. A 5. B 6.C 7.D 8.C 10.A 11.C…
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HgSO,4, H,0 B Br H2SO4 CCl, | CH- CH,- Br Cc Coy 2 KOH _ 38. SN - a me an CH; Son en Lidlar catalyst 2 KOH C- CH, CH,-CH-CH-CH, ~~,» 9…
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41. CH, - CH, A O-H O-H | H CH. \ 5 ™ E; a HSOy + S :OHSO3 PART IV. (5 points) (1+ 1+ 3) 42. m/e =43 43. m/e = 72 44. CH; - CH - CH, - CH;…
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Final Examination Organic Chemistry I CHEM 2423 CH,SO, Rofecoxib (Vioxx)- is a nonsteroidal anti-inflammatory drug (NSAID) developed by…
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Br (a) (b) (c) (b) ©) 2. Draw the structure that corresponds to the following name (2 pts each): 6-Ethyl-2,6,7-trimethyl-5-propylnonane…
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A) sp’, sp, sp? B.sp*,sp*,sp* _C) sp*, sp,sp_—-D) sp, sp’, sp” E) sp®, sp’, sp 5. Assign any formal charges to the oxygen atom (A) and…
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CH H3C C(CHs3)3 A) 4- isopropyloctane B) 4- t-butyloctane C) 4-sec-butyloctane D) 4-(2,2-dimethylethyl)heptane E) 5-t-butyloctane 9. From…
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A) Cle B) Br2 /H20 C) HBr D) OsO4 E) none 13. Which of the following carbocations does not rearrange? A) CH3CH)* B) CH3 CH* CH C) (CH3)3C*…
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basic, OH~ SS oe A) It is an example of inversion B) It is an example of Sni mechanism C) Itis an example of Sn2 mechanism _D) Two of these…
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A. HBr /ether B. Bro /light C. NBS/ CCla, heat D. NBS/ H20 , DMSO E. two of these 24. Acetaminophen is used to relieve mild to moderate…
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CHEMISTRY 2423 Practice FINAL EXAM A DIRECTIONS: A periodic table is attached at the end of this exam. Please answer all questions as…
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Part III. Reactions (2 points each) Give the major product(s) of each of the following reactions. Show all relevant stereochemistry. 27, OH…
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Part IV. Synthesis (3 points each) Show by a series of reactions how you could prepare the following compounds (major) from the indicated…
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Part V. Mechanisms (3 points each) Write a complete mechanism for the following reactions. Show all intermediate structures, formal…
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Part VI. Spectra (5 points) Use the mass spectrum for a Hydrocarbon , CxHyOs3 , shown below to answer questions 42 - 44. 42. What is the…
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CHEMISTRY 2423 Practice FINAL EXAM B (Answers) PART I - Nomenclature and structures (2 points each 1. (a) 5-(1-Ethyl-2-methylpropyl)nonane…
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CH3- CH,-C ==C-CH, CHg - CH - CH - CHp - CHg CHg - CH - COOH Compound (A) compound (B) compound (C) Part V. Mechanisms (3 pts each) 40. HE…
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(e) | CH, - CH -CH3-C-OH OH (A) alcohol and carboxylic acid (B) ketone and ether (C) alcohol and ester (D) ketone and aldehyde 5. Which one…
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Ss ny (A) enantiomers (B) diastereomers (C) same molecule (D) none of these 12. Which reaction intermediate is formed by the following…
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18. 19. 20. 21. 22. 23. 24. 25. 26. ON COY CVA ay ¢ HO" Br—ch, HO” H,C—Br HO” H,cC—Br HO” Br—CH, Inversion of configuration results from…
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(C) (CH3)3CCH2CH3 (D) (CH3)gCHCH(CH3)9 Part III. Reactions Give the major product(s) of each of the following reactions. Show all relevant…
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CH = CH - C == C-H excess H5 Pd/C Part IV. Synthesis (3 points each) Show by a series of reactions how you could prepare the following…
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(3 pts each) AO. CHs CH; 1) KOH eS TS Br 2) HBr Br Al. CH; CH; OH H)SO, Heat
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Part VI. Spectra (5 points) Use the mass spectrum for a hydrocarbon shown below to answer questions 42 - 44. 42. What is the base peak (1…