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Organic chemistry intro to lab

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Introductory course in the principles of organic chemistry and the derivation of these principles from a study of the properties, preparations, and interrelationships of the important classes of organic compounds

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Organic chemistry intro to lab

  1. 1. ORGANIC CHM 250 lab-what to expect? By : Dr. Robert D. Craig, Ph.D
  2. 2. In the past-1980’s• Large text books• Needed to memorize “Reactions of functional groups and mechanism”
  3. 3. Chemials you are dealing with• Are ofcourse-are Acids –Bases or Organic!• They have high vapour pressures• They are Flammable
  4. 4. Safety in a car
  5. 5. Safety in the lab
  6. 6. lab coats• Can be taken off if something spills on You
  7. 7. Accidents could be from some else
  8. 8. Just like a drunken driver• You are not always the cause-some other lab
  9. 9. Most organic molecules are tearingagents-leave lab when feeling dizzy!
  10. 10. Also –No contact lens!!
  11. 11. No flip flops –when warmer!!• Proper footwear is imperative-sneakers OK!
  12. 12. The labs are cold-be prepared
  13. 13. Water flow simulates air flow
  14. 14. When Some has an accident . .• Hold out a stick . . . .
  15. 15. Get the instructor . .know location of showers
  16. 16. Need to work in pairs• You can not see Yourself!
  17. 17. Lastly –respect for others
  18. 18. Assignments will look like thisWeek 2 : 2/6/2012Prelab Questions: Due 2/6/2012 at the start of the class:• Please watch required video-download sample lab-•Define what is a crystal?• Write an expanded outline for the seven-step process of crystallization.• *This will be included in the lab report
  19. 19. .
  20. 20. .• This technique is used for obtaining a compound in pure solid form of well-defined geometrically shaped crystals. This process of crystallization can be used for the purification of a compound only when the compound and the impurities present in it differ considerably in their solubilities in any particular solvent
  21. 21. Digimelt apparatusChapter 4: Melting point- Please watch required video in portal• 3.) (3 sentences) Why are melting points recorded?• Review operation of “Digimelt apparatus”*This will be included in the lab report

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