2 2.10 Draw condensed and skeletal structures from the names. a. 2,5-dimethylhexane b. 3,3-diethylpentane c. 4-isopropylnonan
2.12 Write the names for the compounds. b. CH,CH CH,CH(CH2CHy)2 c. a. Draw Kekulé, condensed, and skeletal structures for all of the constitutional isomers with formula CsHi2. Provide names for each structure. 2.13
draw the structures 2-Ethyl1,4-dimethylcycloheptane Cis-1,3-diethyl cyclobutane Trans-1-bromo-3-ethylcyclopentane Cis-1,2-diethyl cyclopropane Trans-1,2-diethyl cyclopropane 2-methylheptane 4-ethyl-2,2-dimethylhexane 4-ethyl-3,4-dimethyloctane 2,4,4-trimethylheptane 3,3-diethyl-2,5-dimethylnonane 4-isopropyl-3-methylheptane
Draw the skeletal formula of the following alkanes. a. 4-ethyl-octane b. 3,3-dimethyl-pentane
3. Draw skeletal structures for any two trans isomers for a cyclopentane possessing the formula C7H14. (4 pts) 4. Provide structures for the following molecules based on the given IUPAC nomenclature using "sawhorse" or wedge-based skeletal structures. (8 pts) a. (3R, 4R)-3,4-dimethylhexane b. cis-1,3-di-(1,1-dimethylethyl)cyclohexane
2. Draw the condensed structural condensed formula and skeletal structure of each of the following alkyl groups. These names and formulas must be momorded. You can use to designate the parent chain to which each group is attached Methyl: Propyt: Isopropyt sec-Buty: Isobutyl: tert-Butyl: 3. Determine the IUPAC name of each of the following alkanes. CH,CH, CH,CHCH,CH,CHCH.CHCH.CH C(CH,
Draw structures corresponding to the following names: 9.19 Draw structures corresponding to the following names: (b) 3-Ethyl-5-methyl-1,6,8-decatriyne (a) 3,3-Dimethyl-4-octyne (c) 2,2,5,5-Tetramethyl-3-hexyne (d) 3,4-Dimethylcyclodecyne (e) 3,5-Heptadien-1-yne (g) 3-sec-Butyl-1-heptyne (f) 3-Chloro-4,4-dimethyl-1-nonen-6-yne (h) S-tert-Butyl-2-methyl-3-octyne 9.19 Draw structures corresponding to the following names: (b) 3-Ethyl-5-methyl-1,6,8-decatriyne (a) 3,3-Dimethyl-4-octyne (c) 2,2,5,5-Tetramethyl-3-hexyne (d) 3,4-Dimethylcyclodecyne (e) 3,5-Heptadien-1-yne (g) 3-sec-Butyl-1-heptyne (f) 3-Chloro-4,4-dimethyl-1-nonen-6-yne (h) S-tert-Butyl-2-methyl-3-octyne
Draw structures corresponding to the following systematic names: (a) (4Z)-2,4-Dimethylhexa-1,4-diene (b) trans-3,3-Dimethyl-4-propylocta-1,5-diene (c)(E)-4-Methylhexa-1,3-diene (d) (3E,5Z)-2,6-Dimethylocta-1,3,5,7-tetraene
4.40 Convert the condensed structures shown to skeletal structures. a. CH3CH2CH=CH2 b. CH CH CH CH OH c. CH3CHCH CH3CH2CHCH2CH2CH3
1. (4 pts) Convert the following condensed structural formulas into skeletal (line angle) structures a) CH3CH2CH(OH)CHCHCH: b) NH2CH=CCCH2CHO 2. (8 pts) An ion with the structural formula (CH CHOJ can be represented with two different resonance structures. a) Draw the two resonance structures below and circle the major contributing structure. b) Specify the hybridization of each carbon atom.
4. Draw structures corresponding to the following systematic names; a) 1-isopropyl-4-methylcyclohexene b) 3-butyl-2-heptene c) 4-methyl-1,2- hexadiene d) trans-3,3-dimethyl-4-propyl-1,5-octadiene e) (42)-2,4-diethyl-1,4-hexadiene f) 1.2-propadiene g) (32,5E) -2,6-dimethyl-1,3,5,7-octatetraene h) cis-2,2,5,5-tetramethyl-3-hexene i) Methylenecyclohexane, j) trans- 1,2 divinylcyclohexane