3. Convert cis-2-butene ball-and-stick model to a condensed structure and identify the functional groups 4. Predict the water solubility of the following compounds a. CH3 (CH2)6CH3 -Octane b. a CH3 CH3 Acetone C.CH3 (CH2)16CO2H - stearic acid 5. Predict the polarity of dichloromethane (CH2Cl2), a solvent used in paint remover Answer: I
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- A. Structural Isomerism of Alkanes, continued. Construct models for the five alkanes that have the molecular formula C6H₁4. All five of your models should have the same number of each type of atom, but they should have the atoms connected in a different order. Thus the molecules they represent are structural isomers of one another. Note the tetrahedral geometry of each carbon atom. Draw an extended and a condensed structure (NOT skeletal/line angle) of each structural isomer, then determine its IUPAC name. Recall that since the IUPAC name specifies the number of each type of atom and how they are connected, each structural isomer will have a different name. Each name should very specifically describe the structure. Isomer 3: Extended Structure Isomer 3: Condensed Structure IUPAC Name: IUPAC Name: Isomer 4: Extended Structure Isomer 4: Condensed StructureA) Identify the functional groups in the following molecules: H HO Paracetamol ОН HO HN. НО Salbutamol H3C CH3 H3C H3C Но. CH3 retinol H2N OH ÑH2 glutamine B) Use examples to explain why the study of simple molecules helps us understand the behaviour of larger, biologically active molecules.1. Identify the circled functional group(s) for each molecule. ОН CH3CHCH3 a. бо =CH₂ b. с. d. NH₂CH₂CH₂CH₂2NHCH3 H₂N 0 CH₂CHCH₂NHCH(CH3)2 стилинен с OH
- 4: Draw out the abbreviated structural formula of the following molecules. 4-Methyl-2-hexene 2-Methyl-2-hexene 2-Hexene 5: Draw the structure of 2-Butene, labeling the n bond and all the B bonds. 6: Draw all the structures possible with the formula CSH8.A. Structural Isomerism of Alkanes Construct models for the five alkanes that have the molecular formula C6H14. All five of your models should have the same number of each type of atom, but they should have the atoms connected in a different order. Thus the molecules they represent are structural isomers of one another. Note the tetrahedral geometry of each carbon atom. Draw an extended and a condensed structure (NOT skeletal/line angle) of each structural isomer, then determine its IUPAC name. Recall that since the IUPAC name specifies the number of each type of atom and how they are connected, each structural isomer will have a different name. Each name should very specifically describe the structure. Isomer 1: Extended Structure Isomer 1: Condensed Structure IUPAC Name: IUPAC Name: Isomer 2: Extended Structure Isomer 2: Condensed StructureConvert the condensed structures below into line-angle structures. Please note that some of the structures have “branches,” and some might have double or triple bonds. Please be very careful that you do not miss any hydrogen, carbon, nitrogen, oxygen, or sulfur. a.(N≡C)2CHCH2CH(CH=CH2)CH2C≡CCH2CH=O b. CH3OCH2S-SCCl2CH2CH=NCH2CO2H
- 3. Which of the following compounds exists as cis-trans isomers? Draw the structures of those that do. a. CH2 = CHCl2 b. C2HSCH = CHC2H5 с. СH:CH-CHCHCHCHS d. CH;C=CCH2CH2CH3 e. CH;CH=CHC4H9 (iso) f. CH;CH2CH=C(CH3) (C2H5)Hw.2. Identify functional groups5. Build another hexane molecule and place it alongside the first one you built. (f) What types of intermolecular forces help hold hexane molecules to each other? (g) What aspect of the molecules' geometry makes these bonds effective?
- 3. Consider the following table. List three substances as having the strongest intermolecular forces. Explain your reason. Formula CH4 HOH C₂H6 CH₂OH C3H8 CH₂CH₂OH C4H10 CH3CH₂CH₂OH Name methane water ethane methanol propane ethanol butane 1-propanol Molar Mass Boiling Point (°C) -164 100 -89 65 -42 78 16 18 30 32 44 46 58 60 97Determine the molecular formulas and then write line-angle (skeletal) structures for the following condensed structures. Do these structures represent the same molecule? explain. CH3CH2COCH2C(CH3)3 CH3COCH2C(CH3)3 CH3CH(OH)CH2CH2C(CH3)3Draw the Lewis Structure 1. CH3CHOHCH3, isopropyl alcohol 2. CH3CH2CH2CO2H, butyric acid 3. CH3COOCH2CH3, ethyl acetate