The group most likely responsible for the peak at "3" is most likely: C-H (alkenyl or aryl) OCc-o C-H (alkyl) OCEN он OC-C OC=C (chain) OC=C (aromatic)
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- The group most likely responsible for the peak at "1" is most likely: O C=N OC=C (aromatic) O OH O C=C (chain)CH3 4 CH₂ CH₂ CH₂ What is the unidentified product of the reaction? Select the correct answer below: O CH3 CH3 CH₂ CH₂ CH₂ 0 || C CH₂ OH O || C CH₂ CH₂ CH3 CH₂ CH₂ OH CH3 CH₂ - CH₂ - CH₂ - CH₂ - CH₂ – OH O C 010 C NH₂ + OH HCI -> + NHẠCH E1. Identify the functional group in the following molecules. Circle them on the structures and mark which functional groups they have. (a) Ⓡ +H₂N-CH- HO CO CH₂ C=0 NH₂ C-H H-C-OH CH₂OH OH H OH Vitamin C -C-CH₂OH H₂CO (b) H₂CO CH3 (f) _NH CH HO-C-H HN COOH C=O CH₂ H-C-OH CH3 H-C-OH H-C-OH CH₂OH Nicotinic acid (niacin) OH Coenzyme Q (c) (d) CH,-O- 1-(CH₂) HỌ–CH CH3 (CH₂-CH=C-CH₂) 10H +H₂N-CH- O CH,—O- -OH OH مل CH₂ SH -(CH₂)14-CH3
- Below is a structural formula. What is the corresponding condensed structural H formula? H1C1I Н Н OCH3NHC(CH3)2 H-CN-C-C CH3NHCH(CH3)2 OCH3NC(CH3)2 :Z―I OCH3NCH(CH3)2 H H H I— H -C-H H (Given the following table of bond dissociation energies (in kcal/mol), what is AH° for this reaction? (CH3);С —Н + Br -Br (CH);С — Br + Н—Br | CH3-H 105 (CH3)3C-H 91 CH3-Br 70 (CH3)3C-Br 65 Br-Br 46 H-Br 88 O +7 kcal/mol O -7 kcal/mol O +16 kcal/mol O -16 kcal/mol O cannot be determined with this informationCompound 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-Cl
- H HAC TH HHH H HAC I Identify and select all structures below that represent a constitutional isomer(s) of the compound shown above. H H H H H H H H 车车书 ·CH -C-H H-C - C ·CH H CI H H H HCH H H-C A. I H CI H D. ō H CI H C-H B. H CI H 安 -H H H H H E. C.CH3 Ar NH (35) CO,H CF3- CH3Here is the chemical structure of 2-bromobutane: Н Η Н Н HHHH C C- C C-H H :Br Η Н .. Decide whether each molecule in the table below is another molecule of 2-bromobutane, a molecule of an isomer of 2-bromobutane, or a molecule of an entirely different compound. molecule CH₂ CH₂-CH₂-CH-Br CH₂ CH₂ -CH₂ Br HI H H H Η H_ H-C- C-C- H-C-H H H relationship to 2-bromobutane (Choose one) (Choose one) Br: a molecule of an isomer of 2-bromobutane ▼
- MgBr Mg C,H,OC,H, MgBr o-CH O *MgBr C,H,OC,H, + CH,OH H,O, H,SO, O "MgBr OH Data Glassware oven-dried, assembled, placed under nitrogen (balloon). Materials: 10 mL anhydrous diethyl ether, 1.0 g Mg turnings. 4.5 mL bromobenzene. 10 mL more anhydrous diethyl ether. 2.5 ml methyl benzoate. Approximate initiation time: 15 min. Stir 10 min after addition of methyl benzoate. Transfer reaction mixture to 100 mL Erlenmeyer flask. Rinse reaction flask (2 x 20 mL diethyl ether). Acid quench solution: 25 mL 10 % aqueous sulfuric acid/15 g ice. Saturated NaCI solution: used 20 mL Hexanes: 20 mL Isolated: 1.82 g white solid What is the % yield of the reaction? What is the limiting reagent? Show complete calculations for the theoretical and % yield calculationsHalogenated compounds are particularly easy to identify by their mass spectra because both chlorine and bromine occur naturally as mixtures of two abundant isotopes. Recall that chlorine occurs as 35Cl (75.8%) and 37Cl (24.2%); and bromine occurs as 79Br (50.7%) and 81Br (49.3%). At what masses do the molecular ions occur for the following formulas? What are the relative percentages of each molecular ion? (a) Bromomethane, CH3Br (b) 1-Chlorohexane, C6H13ClFrom the data in Figure 4-12 and Table 4-1, estimate the percentages of molecules that have their substituents in an axial orientation for the following compounds: (a) Isopropylcyclohexane (b) Fluorocyclohexane (c) Cyclohexanecarbonitrile, C6H11CN