Organic Chemistry

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Author:
rohitram96
ID:
223082
Filename:
Organic Chemistry
Updated:
2013-06-09 07:18:37
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Organic Chemistry Nomenclature
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Description:
Basic year 12 chem exam
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  1. When a haloalkane reacts with NaOH is ethanol, what mechanism is undertaken?
    elimination
  2. The three stages of free radical substitution are?
    Initiation,Propagation,Termination
  3. SN1 reactions occur largely for primary, secondary or tertiary reactions?
    Tertiary
  4. What is the energy advantage of Benzene over that of the kekule structure? (number in kilojoules)
    152
  5. The distinguishing test for ketones and aldehydes is?
    2,4-DNP
  6. What two reactants and under what conditions are needed for esterification?
    Alcohol,Alkanoic Acid,Conc H2SO4
  7. What distinguishing test can be used for alkanoic acid?
    bicarb
  8. What distinguishing test can be used for alcohols?
    Na
  9. What do you get, when you oxidize a alkene it becomes a?
    diol
  10. Oxidization of a primary alcohol, with potassium permanganate turns it to a?
    Alkanoic acid
  11. Dichromate turns what colour after oxidizing alcohols?
    green
  12. What colour is permanganate?
    purple
  13. A primary haloalkane in water is likely to undergo , elimination, SN2 or SN1, nucleophilic substitution?
    SN2
  14. A dimer is made in what functional group?
    Alkanoic Acid
  15. A geometric cis isomer suggests the substituents are on the same side or across?
    same
  16. name
    4,4-dimethylpent-1-ene
  17. What is a common reducing agent used?
    LiAlH4
  18. What is the chemical in the Friedel-Craft Reaction?
    AlCl3
  19. Why can the benzene ring make a hexagonal shape?
    shorter bonds
  20. Nitro groups on a benzene ring direct how?
    3,5
  21. alkyl groups on a benzene ring direct how?
    2,4
  22. What are the 5 mechanisms?
    free radical substitution, electrophilic addition, electrophilic substitution, nucleophilic substitution, elimination
  23. What are the two types of condensation polymer bonds?
    peptide,ester
  24. What property defines the strength of a polymer?
    cross-linking
  25. Which carbocation is most stable, primary, secondary or tertiary?
    tertiary
  26. which type of the haloalkanes is least reactive?
    fluoro
  27. Alkyl groups have a tendency to, do what to electrons?
    push

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