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ch04 alkanes 1pp - This means review Chapter 4 Alkanes...

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Chapter 4 Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis This means review
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Chapter 4 2 Shapes of Alkanes “Straight-chain” alkanes have a zig-zag orientation when they are in their most straight orientation Straight chain alkanes are also called unbranched alkanes
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Chapter 4 3 Branched alkanes have at least one carbon which is attached to more than two other carbons
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Chapter 4 4 Constitutional isomers have different physical properties (melting point, boiling point, densities etc.) Constitutional isomers have the same molecular formula but different connectivity of atoms
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Chapter 4 5 The number of constitutional isomers possible for a given molecular formula increases rapidly with the number of carbons
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Chapter 4 6 Primary, Secondary, Tertiary Classification of Hydrogen Atoms Hydrogens take their classification from the carbon they are attached to The CARBON atoms are also designated primary (CH 3 ), secondary (CH 2 ), tertiary (CH) or quaternary (C with 4 substituents) NOTE: primary, secondary, tertiary alcohols and amines:
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Chapter 4 7 Examples
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Chapter 4 8 Nomenclature of Alkyl Halides In IUPAC nomenclature halides are named as substituents on the parent chain Halo and alkyl substituents are considered to be of equal ranking In common nomenclature the simple haloalkanes are named as alkyl halides Common nomenclature of simple alkyl halides is accepted by IUPAC and still used
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Chapter 4 9 IUPAC Substitutive Nomenclature An IUPAC name may have up to 4 features: locants, prefixes,
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