ch23 - 23 23.1 Organic Chemistry 23.2 23.3 23.4 23.5 C7H16...

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23 Organic Chemistry 23.1 23.2 23.3 23.4 C 7 H 16 23.5 Structures (a) and (c) are identical. They both contain a chain of six carbons with two – CH 3 branches at the fourth carbon and one –CH 3 branch at the second carbon. Structure (b) is different, having a chain of seven carbons. 23.6 The two structures are identical. The compound is 169
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23.7 (a) pentane 2-methylbutane 2,2-dimethylpropane (b) 3,4-dimethylhexane (c) 2,4-dimethylpentane (d) 2,2,5-trimethylheptane 23.8 (a) (b) (c) (d) 23.9 2,3-dimethylhexane 23.10 (a) 1,4-dimethylcyclohexane (b) 1-ethyl-3-methylcyclopentane (c) isopropylcyclobutane 23.11 (a) (b) (c) 23.12 23.13 (a) (b) 170
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23.14 (a) (b) 23.15 (a) 3-methyl-1-butene (b) 4-methyl-3-heptene (c) 3-ethyl-1-hexyne 23.16 (a) (b) (c) 23.17 (a) (b) (c) 23.18 23.19 23.20 (a) (b) (c) 23.21 (a) (b) (c) 171
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23.22 23.23 (a) (b) 23.24 (a) (b) (c) 23.25 (a) (b) 23.26 23.27 (a) (b) 23.28 Understanding Key Concepts 172
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23.29 23.30 (a) (b) 23.31 (a) (b) 23.32 (a) alkene, ketone, ether (b) alkene, amine, carboxylic acid 23.33 (a) 2,3-dimethylpentane (b) 2-methyl-2-hexene 23.34 23.35 23.36 There are many possibilities. Here are two: 23.37 Additional Problems Functional Groups and Isomers 173
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23.38 A functional group is a part of a larger molecule and is composed of an atom or group of atoms that has a characteristic chemical behavior. They are important because their chemistry controls the chemistry in molecules that contain them. 23.39 (a) (b) (c) (d) 23.40 (a) (b) (c) 23.41 (a) (b) (c) (d) 23.42 23.43 (a) (b) (c) (d) 23.44 (a) alkene and aldehyde (b) aromatic ring, alcohol, and ketone 23.45 ester, aromatic ring, and amine Alkanes 23.46 In a straight-chain alkane, all the carbons are connected in a row. In a branched-chain alkane, there are branching connections of carbons along the carbon chain. 174
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23.47 An alkane is a compound that contains only carbon and hydrogen and has only single bonds. An alkyl group is the part of an alkane that remains when a hydrogen is removed. 23.48 In forming alkanes, carbon uses sp 3 hybrid orbitals. 23.49 Because each carbon is bonded to its maximum number of atoms and cannot bond to additional atoms, an alkane is said to be saturated. 23.50 C 3 H 9 contains one more H than needed for an alkane. 23.51 (a) Underlined carbon has five bonds. (b) Underlined carbon has five bonds. (c) Underlined carbon has six bonds. 23.52 (a) 4-ethyl-3-methyloctane (b) 4-isopropyl-2-methylheptane (c) 2,2,6-trimethylheptane (d) 4-ethyl-4-methyloctane 23.53 2,2,4-trimethylpentane 23.54 (a) (b) (c) (d) 23.55 (a) (b) (c) (d) 23.56 (a) 1,1-dimethylcyclopentane (b) 1-isopropyl-2-methylcyclohexane (c) 1,2,4-trimethylcyclooctane 23.57 (a) The longest chain contains six carbons and the molecule should be named from a
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This note was uploaded on 08/27/2008 for the course CHEM 1280 taught by Professor Schmidt during the Fall '07 term at Toledo.

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ch23 - 23 23.1 Organic Chemistry 23.2 23.3 23.4 23.5 C7H16...

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