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![Rank the following compounds in order of increasing reactivity toward NaBH4 in ether.
H.
H'
H.
II
II
IV
Select one:
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OV<lII<l<II
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- Drawthe MAJOR product(s) of the followingreaction. 1) ВН,-THF 2) H,0г. NaOH 3) РСС, СН,Clz 1. он 1) NaH 2) 8 3) Н,о 2. но. O,N AICI, Br 1) NaCN, DMSO 2) excess LAH 3) H20 4. 3.Questions 1015MSC Chemistry of Biological Systems II 186403 1. What is the purpose of the concentrated sulfuric acid in the preparation of aspirin? 2. Anhydride means "without water". Suppose 1 M H₂SO4 were substituted for the concentrated H₂SO4. Would the yield of acetylsalicylic acid be increased, decreased, or unaffected by the substitution? Explain.Complete the reaction map by matching A-E with the given choices. E LU 2Br₂ CCl4 H₂ Na in liq NH3 A C OH H₂ D Pt 0₂ Zn/H₂O HOW B
- Rank the following compounds in order of increasing reactivity with the foll molecule A? O III12. Which of the following is a tertiary amine? H. CH, H,C CH, CH -CH, CH3 H. HI H IV 13. Rank the 1,2,4-trimethylcyclohexane conformers in descending order of stability, placing the most stable first. II IV a) I> II > IV > II b) II > IV > I| >| c) II > II > IV >I d) I> || > III > IV 14. The descending order (highest to lowest) according to its potential energy of the following Newman projections is: H Br HO Br OH H. Br OH OH H. Br CH3 HQ. H. H;C H. H;C H. H;C H. Br H H II II IV a) Il>I>V> IV> II b) III > IV >V>I> || c) II > IV = V>1 >I| d) II >1>V = IV > II | 15. The structural relationship that exists between the pair shown below is that: OH НО. and a) represent resonance structures b) are conformers c) are isomers of constitution d) are geometric isomers, cis / trans %3Da) b) c) d) CI H3CH₂CC CH CO + CH3MgBr 1. 2 eq. PhMgBr 2. H3O+ 1. NaNH, 2. PhCHO 3. H₂O* Azculi + 1. ether 2. H30* -Br rDirections: I. A list of seven organic compounds is given above. Write the letter corresponding compound: 1. An ester 2. An aldehyde 3. An alcohol 4. An amide A CH3CH₂COOH CH3CH(OH)CH₂CH3 C CH3COOCH3 CH3CH₂COCH2CH3 B D E CH3CH2CONH2 F H₂NCH₂CH₂CH3 G C6H5CHO 5. An acid 6. An aromatic compound 11. Which two compounds are structural isomers? andRank the following compounds in order of increasing reactivity in electrophilic aromatic substitution NH3 OH 1 O III < | < |6) Predict if the primary (most abundant) products will be the ortho/para or the meta isomer. State the most likely type of isomer on the line provided. NH2 + Y* Y* HO + Y* F + Y*11. What is the name of this compound? H H3C H"T HO C-C Br CH3 A. (2R, 3R)-2-bromo-3-butanol B. (2S, 3S)-2-bromo-2-butanol C. (2R, 3R)-3-bromo-2-butanol D. (2S, 3S)-3-bromo-2-butanol E. (2S, 3S)-2-bromo-3-butanol2. Explain the selectivity of the following reaction, which produces a single product despite both alkene carbons being equally substituted. H3C CF3 HBr CF3 H3C CF3 H3C Br- H3C only product -H CF3CH3 CH3 CH3 CH;=ĊCH,CHCH;OH H2SO4, H3C H3C Referring to the above reaction: 1. Which atom does the H2SO4 first remove? 2. Identify the reaction if it's hydrogenation, hydrohalogenation, etc. 3. Propose a mechanism for the reaction, using the arrow formalism to indicate the flow of electrons.SEE MORE QUESTIONSRecommended textbooks for youChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind…ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEYChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind…ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY