Chem 1C Branched-Chain Alkane

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Author:
Trekofstarsx
ID:
290004
Filename:
Chem 1C Branched-Chain Alkane
Updated:
2014-11-25 01:04:27
Tags:
Chem 1C
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Description:
Chem 1C organic molecules
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  1. What is ignored in line-angle structure
    Hydrogen atoms bound to carbon
  2. Alkanes
    • -Saturated hydrocarbons
    • -CnH2n+2
  3. Saturated
    Single bonds on all carbon atoms (4 atoms bound to each C)
  4. Hydrocarbon
    Molecule consisting of only C and H
  5. Alkane Properties
    • -Nonpolar
    • -Low boiling points that increase with molar mass and chain length
    • -Low reactivity
  6. Naming (prefixes refer to # of carbons)

    1, 2, 3, 4, 5, 6, 7, 8, 9, 10

    Suffix=
    -meth, eth, prop, but, pent, hex, hept, oct, non, dec

    -ane
  7. Isomers are __ chain alkanes
    straight
  8. Branched-Chain Alkane
    • -Same formula, different arrangement of atoms
    • -Different properties --> need different names to avoid confusion
  9. Substituent
    Anything bound to carbon other than hydrogen
  10. Naming Branched-Chain Alkane
    • -substituent(s) in alphabetical order + parent molecule
    • -suffix of parent name: axe
  11. Parent
    Longest continuous chain of carbons
  12. Naming branched chain alkanes:

    Substituents are written before __ name
    root

    CH3 (methyl)
  13.               CH3           CH3
                   l            l
    CH3-CH2-CH-CH2-CH-CH3

    Name
    2,4-dimethylhexane
  14. Highest priority functional group is given to the __ __ locant

    In the event that there is no first point of difference in the locations, __ __ of locants determines the numbering scheme
    lowest possible, lowest sum
  15. Naming branched-chain alkanes when there are two different substituents present
    • -List in alphabetical order
    • -Exclude prefixes
  16. If there is a tie in determining the lowest numbered carbon, number groups such that the __ of all position numbers is lowest
    If still ties, priority goes to __ alphabetical substituent (excluding prefixes)
    • sum
    • lowest alphabetical

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