lab 2

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Author:
cooxcooxbananas
ID:
157184
Filename:
lab 2
Updated:
2012-06-04 12:13:41
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lab
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lab
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  1. What are the two types of drugs that panacetin is?
    • analgesic (pain-killing) drug
    • Antipyretic (fever-reductiong) drug
  2. Panacetin is comprised of... 200 mg of ______, 250mg of ______ and 50mg of _______.
    • 200mg of aspirin
    • 250mg of acetaminophen
    • 50mg of sucrose
  3. If panacetin is produced outside the u.s it can contain ...
    acetanilide or phenacetin (banned due to toxicity)
  4. If you mix panacetin in diethyl ether all components should dissolve except ____________.
    sucrose
  5. the left over sucrose can be put with 2x aqueous soultion of sodium hydroxide and will form ______.
    sodium salt
  6. the sodium salt formed will migrate to the aqueous layer because...
    sodium salt is soluble in water not diethyl ether.
  7. Aspirin can be preciptated from the aqueous layer with _____.
    HCl
  8. Diethyl ether can be evaporated off to isolate ________.
    the unkown
  9. mixing panacetin with ethyl ether will give...
    • solid residue of sucrose and
    • a filtrate of asprin and an unkown in diethyl ether
  10. extracting aspirin and unkown in diethyl ether with Sodium hydroxide gives...
    • Aqueous layer of sodium acetylsalicylate in water and
    • organic layer of unkown in dicholoromethane
  11. Adding HCl and filtering sodium acetylsalicylate in water gives...
    aspirin
  12. evaporating the unkown in dichloromethane will give
    the unkown
  13. aspirin
  14. sodium acetylsalicylate
  15. aspirin turns to sodium acetylsalicylate by
    sodium bicarbonate
  16. sodium acetylsalicylate turns to aspirin by
    HCl
  17. phenacetin
  18. acetominophen
  19. napthalene
  20. p-aminophenol
  21. acetanilide

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