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_ HTC HOUSTON COMMUNITY COLLEGE Houston Community College System Organic Chemistry II 2425 Sample EXAM # 2A (16,17, and 18) HO Cholesterol-…
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x, HCC Houston Community College System Organic Chemistry IT 2425 Sample EXAM # 2B (16,17, and 18) Most Activating Ra — NH, Strongly…
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CHEM 2425 Sample EXAM # 2B ( Chapters 16, 17, and 18) NAME Score: Part I - Multiple choice questions (45 points, Directions- Please write…
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7. Provide the major organic product that results when benzene is treated with the following sequence of reagents: 1)Br,,FeBr, 2) HNO,…
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14. What class of organic compound is the major product of the acid catalyzed reaction of an alcohol with a carboxylic acid? A) ether B)…
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PARTT III- REACTIONS( 20 points) What major product(s) would you expect from the following reactions? a) COOH Br)/FeBr3 a 1) LiAIHy…
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PART IV — SYNTHESIS (15 points a) Provide a series of synthetic steps by which 3-bromo- 4- ethylbenzoic acid can be prepared from benzene.…
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b) Propose a detailed, step-by-step mechanism for the reaction pathway shown below. OH H* , heat OH 16
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CHEM 2425 Sample EXAM # 2B ( Chapters 16 -18) - Answers Part I: Multiple Choice LA 6 A 11.B 2. B 7. E 12.A 3. B 8. C 13.A 4. B 9 A 14.B 5.…
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b) om “oon oe =CH, NBS A B Cc D c) ——— CH, XD -H*t CH, = CH. CH, f~ ce ae Dalal Hw (CHC Ce? HO OH OH / | H Bonus Question a) b) OH 18
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CHEM 2425 Sample EXAM # 2A ( Chapters 16-18) Directions- Please write your correct answer next to each question number in space provided.…
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10. The following reaction classifies as R-CHO > R-CH2OH A. an oxidation B. a reduction C. hydration D. tautomerization 11. What is the…
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PART II - Nomenclature( 20 points a) Write the correct IUPAC names. oO “ns Cn OH CH).CH; (A) (B) (C) A. B Cc D. E. b) Write the correct…
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PARTT III- REACTIONS( 20 points) What major product(s) would you expect from the following reactions? a) HNO:/H)SO, — b) S03 + HySO, —————>…
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PART IV— SYNTHESIS (15 points ) a) What is the best procedure for preparing the following compound from benzene? (requires more than one…
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Bonus Question (10 points) Propose a plausible structure and for a C1oH120 compound with the following NMR spectrum. Show your work for…
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CHEM 2425 Sample EXAM # 2 (Chapters 16 —18) — Answers Part I: Multiple Choice 1.D 6. D 11.A 2. D 7. C 12.B 3. B 8 A 13.A 4. B 9. D 14.D 5.…
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Part IV: Synthesis a Bi 77" AB 1) NaH 2) CHCl, ether 8 a , & 8 ~ fe) NBS/CCl, 1) Hg(OAc)»,H»O Y 2) NaBH, ove aot COOH COO - CHCH; CH,OH on…