Orgo Ch 1

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Author:
msimo
ID:
192265
Filename:
Orgo Ch 1
Updated:
2013-01-11 13:46:17
Tags:
Orgo
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Description:
Continuation (don't know how to add to existing deck)
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  1. Carbocations
    Positively charged Carbon atoms
  2. Formal Charge
    (# valence e- ) - (# e- present) = Formal Charge for ATOM

    e- in bonds are *(1/2)
  3. Net Charge
    The charge of a molecule is the sum of the formal charges on each atom.
  4. Resonance Hybrid
    The composite of all possible resonance structures.

    The hybrid is the weighted average of the contributing resonance structures.

    "Best" is more bonds with fewer charges. (Least polar?)
  5. Bond Length
    Average distance betw two bonded nuclei.

    • Reported in picometers:
    •    1 pm = 10-12m

    Increases down the periodic table as atom size increases (duh).
  6. VSEPR
    Valence Shell Electron Repulsion Theory

    Most stable arrangement keeps groups as far away from one another as possible.
  7. Trigonal Planar
    120*
  8. Tetrahedral
    109.5*

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