ochem ch 6 alkyl halides part 5

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Author:
mikepl103
ID:
242714
Filename:
ochem ch 6 alkyl halides part 5
Updated:
2013-10-28 20:27:48
Tags:
halide halogenation SN2 SN1 nucleophile hydride shift saytzeff rule e1 e2 substitutionelimination
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halide halogenation SN2 SN1 nucleophile hydride shift saytzeff rule e1 e2 substitutionelimination
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  1. what is the trivial name for CH2X2?
    methylene halide

    • ex.
    • CH2Cl2 is methylene chloride
  2. What is the trivial name for CHX3?
    haloform

    • ex.
    • CHCl3 is chloroform
  3. what is the trivial name for CX4?
    carbon tetrahalide

    ex. 

    CCl4 is carbon tetrachloride
  4. What are some uses of alkyl halides?
    solvents, reagents for synthesis of other compounds, anesthetics, freons, chlorofluorocarbons, and pesticides
  5. Alkyl fluorides and chlorides are ___ dense than water
    less
  6. alkyl dichlorides, bromides, and iodides are ___ dense than water
    more
  7. Is free radical halogenation good for lab synthesis?
    no, it produces mixtures. Unless: all H's are equivalent or halogenation is highly selective
  8. what is free radical allylic halogenation?
    it produces alkyl halide with a double bond on the neighboring carbon

    ex. 

  9. allylic radical is ____ stabilized
    resonance stabilized
  10. What steps must one follow in order to determine whether a reaction will proceed sn1 or sn2?
    • 1) look @ reactivity of alkyl halide (whether it has tertiary, secondary, etc. carbons)
    • 2) look @ nucleophile (whether strong or weak)
    • 3) look @ solvent (whether polar protic or polar aprotic)

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