1. Draw structural formula and skeletal formula for the following: a. 2,2-dimethylpentane b. 4-ethyl-2,2-dimethylhexane c. 2-butene d. 1-heptyne e. 3,3-dimethyl-1-pentene f. 4,4-diethyloctane g. 3-ethyl-4-methyl-2-decene h. 3-nonene
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- Condensed structural formula of:1. neopentane 2. n-hexane3. 2-Ethyl-1,4-dimethylcyclopentane4. chloroform5. 2-Bromo-1-chloro-3-ethyl-2,3,5-trimethylheptaneB.3 Cycloalkanes Compound Condensed Structural Skeletal Formula Formula 1. Cyclopentane 2. CyclohexaneCH2-CH2-CH3 Type of functional group r. CH2-CH2-CH3 Common Name Type of functional group H3C-C-o IUPAC H3C- Common Name H,C-CH,-CH,-CH,-CH,-NH-ċ-CH -CH3 t. Type of functional group
- Draw a condensed formula for each of the following compounds: e. 4-decynef. 2-chloro-3, 4-diethyl-1, 6-dodieneg. trans-diiodoethyleneh. sym. disec.pentylethylene1 Which of the following has(have) the same molecular formula as hexane? A. 3-ethylpentane B. 2,4-dimethylpentane C. 3,3-dimethylpentane D. 2,3-dimethylpentane E. 2,3-dimethylbutane 1b. Which of these formulas is(are) not theoretically possible? A. C6H6 B. C6H10 C. C6H12 D. C6H14 E. C6H16 1c. Which of these formulas is(are) not valid for hexane? A. C6H14 B. C6H6C. C6H16D. CH3CH2CH2CH2CH2CH3 E. CH3(CH2)4CH3B.3 Cycloalkanes Skeletal Formula Compound Condensed Structural Formula 1. Cyclopentane 2. Cyclohexane B.4 HaloalIkanes Condensed Structural Expanded Structural Formula Compound Formula 1. Chloromethane
- 9. Draw the skeletal structures for A. 2,3-dimethylhexane B. Diethylcycloheptane C. Ethyl-4-methylcyclohexane D. Diethyl-2,4,5-trimethylcyclooctaneA. 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 StructureOrganic Compounds: Alkanes 6. Classify each of the following compounds according to its functional group. a. CH3-CH2- CH=CH-CH; b. CH3 — CH— CH-он c. CH3-CH2-CH2-0-CH2-CH3 d. CH3-C-OH e.
- 2. Determine whether cis-trans isomerism is possible for each of the following cycloalkanes. If so, then draw structural formulas for the cis and trans isomers.. a. Methylcyclohexane b. 1,1-Dimethylcyclohexane c. 1,3-Dimethylcyclobutane d. 1-Ethyl-2-methylcyclobutaneName the alkane below O a. a. 1-ethylpentane Ob. O b. cycloheptane c. O c. 1-ethylcyclopentane О с. O d. ethylcylcopentane25. Three of the following four structures have identical bonding sequences. Which of these compounds is not like the others-that is, which one is an isomer of the other three? a. HHF H-C-C-C-H HHH b. C H H-C-C-H H. C. H-C-C-H CH HTF d. H-C-C-H C. FTH H.