Orgo extra Ch 3

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Author:
DesLee26
ID:
238525
Filename:
Orgo extra Ch 3
Updated:
2013-10-04 13:36:33
Tags:
CHM 201
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  1. Names of alkanes with __ carbons...
    11
    12
    13
    14
    15
    • undecane
    • dodecane 
    • tridecane
    • tetradecane
    • pentadecane
  2. Names of alkanes with __ carbons...
    16
    17
    18
    19
    20
    30
    • hexadecane
    • heptadecane
    • octadecane
    • nonadecane
    • eicosane
    • triacontane
  3. neopentane
    • CH3
    •             |
    • CH3 ---C--- CH3
    •            |
    •           CH3
  4. Six-membered rings are __.
    conformationally mobile
  5. In six-membered rings, describe up and down.
    • anything up is always up
    • anything down is always down
  6. Every carbon in a chair conformation ahs __
    an axial and equatorial atom
  7. What's better about equatorial?
    • no eclipsing in chair conformations (no torsion) nor angle strain
    • only steric
  8. What do axial interactions cause?
    gauche interactions
  9. What does equatorial do?
    alleviates strain because it puts molecules in anti positions
  10. How do you find when something is gauche?
    look for flagpole hydrogens
  11. Any two groups on adjacent carbons will be __ to each other unless they are __. If any other combination, they are __.
    • gauche
    • axial up and down
    • gauche

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