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HW - ORG CHEM please illustrate answer onto image
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- Compound C is? Compound C-DEPT 135 90 H3C I 70 CH3 CH 4 I 8 (ppm) CI CH₂CH₂CH-Cl CH₂ CH3 CH3-C-CH3 I Cl 1 I 30 10 CH3CH₂CH₂CH₂-ClPage of 11 ZOOM + A1. What is the arrangement of the bonds surrounding carbon in a saturated hydrocarbon? linear trigonal planar tetrahedral В trigonal bipyramidal A2. What is the definition of a constitutional isomer? A molecules with the same numbers and kinds of atoms arranged in different ways molecules with the same arrangements of atoms, but different arrangements of electrons molecules with the same connectivities, but different 3-D angles molecules with different isotopes of the same atoms В АЗ. How many hydrogen atoms does the following molecule contain? 12 В 16 18 Which functional group gives rise to a broad IR absorption between 3200 cm-1 and 3600 cm-1? A4. A O-H stretch C-H stretch O-H bend C-O stretch А5. How many resonances will appear in the 13C NMR spectrum of cyclopentanone? 3 4 Section A continues on the next page N468 ABCD ABCD ABCDQuestion 4 of 7 O Macmillan Learning Organic Chemistry Loudon | Parise SEVENTH EDITION For trans-1-ethyl-4-isopropylcyclohexane, which structures represent the possible boat conformations? The correct structures are: A с H H H H B D presented by Macmillan Learning V H H -H I -H
- Which of the following compounds is an enantiomer of compound X ? CH₂ H₂C C CH3 OH 1 Select one: A. I OH O B. III O C. II H₂C- X H₂C || OH -CH₂ OH -CH₂ OH H₂C- CH₂ -CH₂ OH E OH |||Compound 1 Br Bri НІ T ... H The correct IUPAC names are: Compound 2 H Br Br I.. H Br The compounds are diastereomers not isomeric enantiomers identical constitutional isomers Compound 1: (2R, 3R)-1,2,3-tribromobutane, Compound 2: (2S, 3R)-1,2,3-tribromobutane Compound 1: (2R, 3S)-1,2,3-tribromobutane, O Compound 1: (2R,3R)-1,2,3-tribromobutane, Compound 2: (2S,3S)-1,2,3-tribromobutane Compound 2: (2R, 3R)-1,2,3-tribromobutane O Compound 1: (2S,3S)-1,2,3-tribromobutane, Compound 2: (2R,3S)-1,2,3-tribromobutaneI arther: Chair conformers Monosubstituted rings The A-value for methyl, ethyl, isopropyl, and t-butyl substitution on a cyclohexane ring are 7.1kJ/mol, 7.3 kJ/mol, 9.0kJ/mol, and 18.8 kJ/mol, respectively.. Me Me 1. Et 95:5 95:5 Bu Bu 97:3 9995:5 Build the molecules and use your model to explain why the increased size of the substituent doe- not have a dramatic effect until you reach t-butyl. In other words, is it possible for the first three substituents (methyl, ethyl, and isopropyl) to achieve conformation in which 1,3-diaxial interactions are minimized? mlugiest bn todte has -value: 0 9k.J/mol. Build the molecule in order to deterr
- compound CH3 CH₂0 CH3 — OH C- CH3 1 CH3-N - CH3 CH₂ ||| -C-H 01C- | NH₂ CH3 family esterQ:2 Provide a systematic name for each of the following compounds a с d C2CHCHB. Cl,CCH,Br Cl e f CH3 H- CH,CH3 H- -H Č(CH3)3A 1,2-cis disubstituted cyclohexane, such as cis-1,2-dichlorocyclo- hexane, must have one group axial and one group equatorial. Explain. -35 -36 A 1,2-trane dil Exnloin
- Give IUPAC name for H3C-HC- C-CH3 | || CH3 OThe images illustrate isomers of 1,2-di(2-methylpropyl)cyclohexane in conformational structures. Two are cis and two are trans. Indicate which is the more stable conformation for the cis and which for the trans, and indicate which of all the conformations is the most stable. H H. For each question, if both conformations of the isomer are equally stable, select both. Select the more stable conformation of cis-1,2-di(2-methylpropyl)cyclohexane. A ВB) م -------------------- (CH₂)18 CH₂ (CH₂)18 CH₂ * 3 NaOH ??-2 ??-??