Chem. Test CH 16

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Author:
laclaryce
ID:
76543
Filename:
Chem. Test CH 16
Updated:
2011-04-02 18:03:30
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chemistry test chapter
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Notes for my next chemistry test
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  1. To be aromatic:
    a 7 member ring must be ___1
    a 5 emmber ring must be ___2
    • 1. +
    • 2. -
  2. Physical characteristics of aromatic compounds
    • 1. higher bp
    • 2. more polar
  3. Requirements for aromatic compounds
    • cyclic
    • every atom in ring must have pi bond
    • flat
    • 4N+2 pi electrons (2, 6, 10, 14, 18)
  4. Requirements for antiaromatic compounds
    • cyclic
    • all atoms in ring must have pi orbitals
    • flat
    • 4N pi electrons (4,8,12,16)
  5. Pyridine
  6. Furan
  7. Imidazole
    one basic N
    one not so basic N
  8. Phenol
  9. Toluene
  10. Aniline
  11. Anisole
  12. Benzaldehyde
  13. Benzoic acid
  14. Positions: ortho, meta, para
  15. Lowest to highest boiling point and melting point
  16. In benzine:
    IR C=C & C-H
    NMS
    MS
    • IR: C=C 1600 & C-H 3000
    • NMS: 7-8
    • MS: break between C attached to ring and other C. peak at 91
  17. Even thoug they don't have double bonds, what two members of a ring can aid in aromacity?
    carbocations and B
  18. Styrene

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