11.-15. Match each reagent to how it reacts with Y is from the reagent. Answers may be repeated. 11. Br₂ 12. HSCH3 13. NaBH4_ 14. NH₂OH 15. (CH3)2Cu Lit HO. a. b. C. d. e. not a.-d.
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- Br ÓCH, a. SN1 & E1 b. SN1 & E2 c. SN2 & E1 d. SN2 & E2 21. What is the reagent used for the following reaction? foid W a. BH3/THF, then H2O2/OH b. Hg(OAc)2/H2O, then NaBH4 с. Н2О, Н* d. H2, Pd/C 22. What is the major product for reaction below? H,SO4 OH d. none b. с. a. 3. Arrange the following substrates in order of increasing their SN2 reactivity with NaC bentane,مگر compound e Reagents a. HX b. c. H₂O, H₂SO4 d. X₂ e. H₂. Pd 1. X₂, H₂O g. Oso, then NaHSO, h. 1. j. HBr, H₂O₂. hv k. 1. compound a bb Hg(OAc)₂, H₂O then NaBH, BH, then H₂O₂. NaOH O, then (CH₂)₂S 2 equivalents of NaNH₂ H₂, Lindlar's catalyst P. adi✔ m. Na/NH₂ n. H₂SO₂, HgSO4 o 9₁ bb r. compound b compound c S L PBr u SOCI₂ V. H₂PO w. H₂CrO₂ X PCC compound f (sia) BH then H₂O₂, NaOH 1 equivalent of NaNH₂ NBS, hy Br₂, hv (CH₂)₂CO¹K* compound d y. Z aa. bb. Na 104 mCPBA NaOH, H₂O compound gWhich is the best method for the following transformation? OH A. 1. BH3, THF 2. H₂O₂, OH- B. H¹, H₂O C. concentrated H₂SO4 D. 1. Hg(OAc)2, H₂O 2. NaBH4
- What is the best reagent(s) to carry out the following conversion? Br a. 1. Br2/FeBr3; 2. HNO3/H2SO4 b. 1. HNO3/H2SO4; 2. Br2/FeBr3 c. 1. NBS/peroxides; 2. HNO3/H2SO4 d. 1. H₂NCI/AICis; 2. H2/Pt; 3. Br2/FeBr3 Save Answer Question 14 of 32 What product would you expect in this multistep synthesis? 1. Br₂ hv 2. Li NO 2 3. Cul 4. bromocyclopentane/etherWhich starting material produces the two products shown after ozonolysis and a reductive workup? 1. O3 2. DMS C. А. D. В. A.6. Predict the product for the following reaction. "NH₂ Br H₂N NO₂ D. H₂O* A. Fe/HCI IV OH OH Br 11 NH₂ "NH₂ H₂N A. IB. II C. III D. IV E. V 7. Provide the reagents necessary to carry out the following reaction. NH₂ V 1. LIAIH4 2. H₂O NH₂ B. H₂CCOCI C. Br₂/FeBr3 E. dil. Na₂CO3 III
- The best reagents to carry out the reaction at right would be: a. CH₂ Hg(OAch H₂O NaBH4 KOII in CHCI. 2. Zn. II.O BH, THF H₂O₂, NaOH, H₂O CH₂ a™ OHWhich set of reagents is appropriate for the following transformation? istryteps Br Br a. Br2/AIB13 b. 1. Br2/AIB13; 2.NANO2/HCl; 3. Fe/HCl c. 1. HNO3/H2SO4; 2. Sn/HCl; 3. Br2; 4. HNO2; 5. H3PO2 d. 1. HNO3/H2S04;B 2. Sn/HCl; 3. Br2/FeBr3; 4. HNO2; 5. НЗРО2What is the best reagent used for the following reaction? H3C H3C ОН Н ? H- ? H3C H3C H. A O ВНз /Н202 .B Hg (OAC)2 / NABH4 .C O H30* /HgsO4 .D O Li /NH3
- What is the missing reagent in the sequence below? A. HBr B. Br₂ (dark) C. Br2, FeBr3 D. Br₂, hn (or NBS) O A OB O C 1. Zn(Hg), HCI 2. Missing reagent 3. NaOEt (E₂) OD12. Which reagents/conditions would lead to the transformation depicted below in high yield? a. NaOMe, MeOH b. MeOH, H₂O* c. NaOEt, EtOH 13. In the structure of 2-fluoropropanoic acid shown, the oxidation number on C1 is the oxidation number on C2 is a. +1, +2, -3 b. -3, +1, +3 d. NaOH, H₂O e. two of these , and the oxidation number on C3 is, c. 0, 0, 0 d. +3,0,-3 e. +2,0, -2 ??? OH 14. What will be the outcome of the following reaction sequence? B. 1. NaOEt, EtOH 2. PCC 3. isopropylMgBr 4. H₂0¹ ??? a. 2-ethyl-3-isopropyl-2,3-dimethyloxirane b. 2,3,4-trimethyl-3,4-epoxyhexane c. 1,2,3,4-tetramethyl-2,3-epoxypentane d. Both a and b are suitable. e. All of the above are correct. OH 15. What is a suitable IUPAC name for the structure shown at the right? OH D. F H OH LOH CH3 3 OHWhich product will be formed from this E2 reaction ? CH2C H3 H CHCH3 H CH2CH3 CH2CH, base (E2) H2C CH2CH3 H. H;C H. H. H,C H3C H3C H. II II IV O a. IV only Ob. II and IV O c. II and IV Od.lonly O e. Il only