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- 1. Optical isomers differ in:a. sign of their optical activityb. their structurec. sign and magnitude of their optical activityd. magnitude of their optical activitye. All of the above 2. Which compound contains an asymmetric carbon?a. n-butanol d. 2-methyl-1-butanolb. Isopropyl alcohol e. None of the abovec. 1-bromo-2-methyl-1-propene 3. Which of the compounds can exist as enantiomers?A. Isopropyl chlorideB. BromochloromethaneC. Sec-butyl chlorideD. 1-chloro-2methylpentane a. A and B b. B and D c. C and D d. B and C4 Which involve large number of organic reaction donot which involve large number of small molecules called 8. involve and free radicals O A. Addition reaction. B. Substitution reaction. OC. Elimination reaction. O D. Pericyclic reaction O E. Rearrangement reaction. 9. monomers to from molecule high molecule weigh. A. Substitution reaction. B. Elimination reaction. C. Polymerization reaction. D. Pericyclic reaction.nurbuks alixir 9 and lead). solution of ammonium chloride ) (~Hyl) acetate (Pb(CH3006) ₂ This solid? produces a solid. What is the identity of Bott A. Pb (CH₂COO), B. Pb (NH4)₂ C. (NH4), 4 D) Pb C (W) J Ẹ NH, CH, Coo Expl 49 42-0 CO C-PF St LGO (23 21 HO SA R الموت id boke slit + CXIC moth SHMOB stata G
- predict the major organic products if of the 'following reactions a. ОН 1. TSCI, Py 2. МеОН, Д b. NaOEt Br С. CI acetonitrile KCN d. Br DBU Br.. e. OH NaOMe HOME f. H2N HO,f. g. OCH 3 CO₂H OCH 3 pyruvic acid 1. SOCI22 2.? NaBH4 CH3OH methicillin (narrow-spectrum, B-lactam antibiotic)? H₂SO4 (cat) C6H8O4 (show structure)Reagents a. C6H5CHO b. NaOH, ethanol h. BrCH2CH=CH2 i. Na* OEt, ethanol j. Br2, H* k. K* t-BuO c. Pyrrolidine, cat. H* d. H2C=CHCN e. H3O* f. I. CH2(CO2ET)2 -CH2CH2CN LDA m. heat g. ELOC(=0)CO2ET Select reagents from the table to synthesize this compound from cyclopentanone. Enter the letters of the chosen reagents, in the order that you wish to use them, without spaces or punctuation (i.e. geda).
- ences] Use the References to access important values if needed for this question. Draw the organic product that is expected to form when the following compound is oxidized under biological conditions. oxidation CH,CH,SH reduction • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • If no reaction occurs, draw the organic starting material. C. opy aate Pre ChemDoodle"3.) HAI(CH,CH(CH3)2l2 (DIBAL-H) 1.) NBS 2.) NaCN 4.) H, H20 Thermodynamic Product Br a) 1.) b.) 1.) c.) 1.) Br Br 2) 2) 2) CN CN CN 3.) 3.) 3.) 4) 4) H. NH21. Fill in the boxes with the missing reagents or major organic products for the alkene reactions. a. HCl b. H2O, H2SO4 с. d. 1. ВН, 2. H2O2, NaOH е. f. CI .CI g. Cl2, H2O h. 1. Н-О, Hg(OАс)2 2. NaBH4, NaOH i. 1. O3 2. Н:0, H-02 j. OH HO.
- 2 3 5 [Review Topics] Reagents HBr a. b. C. H₂O, H₂SO4 d. Br₂ Cl₂ H₂, Pd Br₂, H₂O Cl₂, H₂O OsO4 then NaHSO3 e. f. g. h. i. j. k. I. [References] HBr, H₂O2, hv Hg(OAc)2, H₂O then NaBH4 BH3 then H₂O2, NaOH O3 then (CH3)2S m. n. O. p. q. r. S. t. u. V. 2 equivalents of NaNH₂ H₂, Lindlar's catalyst Na/NH3 H₂SO4, HgSO4 (sia)2BH then H₂O₂, NaOH 1 equivalent of NaNH2 NBS, hv Br₂, hv Cl₂, hv HCI Identify the reagents necessary to accomplish the following steps in the above synthesis of 3-hexanone from acetylene: Step 4: v Step 5: F Step 7: Previous Next Save and ExitReagents available f. PBr3 g. Mg, ether a. CH3CH,COCH b. C6H5 COCI c. AlCl3 d. NaBH₁, ethanol e. H₂SO4, dil am h. H₂SO4, conc i. SOCI₂ j. C6H5 CNArrange the following in compounds in INCREASING reactivity to hydrolysis. NH₂ graram DEF ABC GHI INCREASING REACTIVITY TO HYDROLYSIS: choose your answer... Sh choose your answer... V choose your answer...