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Welcome to the UMass Department of Chemistry Organic Chemistry Laboratories - CHEM-267 - Organic Lab for Chemistry Majors Laboratory Director - Dr. Christopher McDaniel (mcdaniel[at]chem.umass.edu) Laboratory Coordinator - Mrs. Manju Sharma Fall 2020 |
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Schedule of Experiments
If you submit a report late, you are required to email your TA to let them know. If you do not, it may go ungraded.
Lab Experiment |
Date(s) |
Special Notes |
What is due, in addition to the pre-lab? |
| Due to Gradescope by 11:59 PM on Wednesday of week 2 (not Wednesday of week 1 as stated in the handout). | None |
Submit ChemDraw Lab pdf to Gradescope on Wednesday of week 2 by 11:59 PM (not Wednesday of week 1 as stated in the handout). | |
September 3 |
Review and read chapters 1 and 2 of our Lab Text. |
Course Policy, Safety, and MP OWLs |
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September 10 |
Read chpt. 8, pp. 164-177, 182-183. |
MP Post-Lab due to Gradescope by 11:59 PM |
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| Column Chromatography: The Separation of Two Organic Compounds | September 17
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Read Chpt 9, pp. 185-190. For the experiment, it will be a combination of the handout and the text. Provide answers to questions 1, 2, 4 and 5 on page 204 of the manual. |
TLC Postlab due to Gradescope by 11:59 PM |
| Recrystallization | Read pp. 45-48, Chapt 4, pp. 61-79, 83, 84. Include the prelab exercise on p. 61 (blue box at top1/3 of this page) as part of your prelab outline. Ref: Wade (lecture text), Section 2-11. (Wade also includes a discussion of physical properties, including solubilities, in chapters covering specific functional groups, e.g., alkanes, alcohols, etc.) | Column Chromatography postlab due to Gradescope by 11:59 PM |
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Acid-Base Extraction |
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Read Chapt 7, pp. 131-147. Review MP, Recrystallization. As part of your prelab outline, include a flow diagram for your extraction (example on p. 142). Ref: Wade, Section 20-5. |
Recrystallization - due 10/1 to Gradescope by 11:59 PM |
| Distillation and Gas Chromatography | Review GC. Read Chpt 5, pp. 86-95, Chpt 3, pp. 55-57. Include prelab exercise (a) on p. 86 as part of your prelab outline. |
Acid-base extraction due to Gradescope by 11:59 PM |
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| Synthesis of Cyclohexene, Gas Chromatography and Infrared Spectroscopy | Read Chpt 19, pp. 334-337 (see “Percent Yield Calculations” on experiment page of website) and Chpt 11, pp. 220-230. Review distillation and GC. Include the prelab exercise on p. 334 as part of your prelab outline. In your prelab outline, prepare a table of reagents and products as shown on the website link to “Sample Notebook and Report”. Ref. Wade, Section 7-10, 11-10A, 12-1 through 12-7. Your first formal report. See the handout "The Formal Report" on the general handouts page. |
Distillation and GC due to Gradescope by 11:59 PM |
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| Radical Chlorination of 1-chlorobutane | Read Chpt 18 (Experiment 1 is what we will use) and review Gas Chromatography (GC) in Chpt 10. Ref: Wade, Sect 4-13, A, B. |
Cyclohexene due to Gradescope by 11:59 PM |
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Radical Chlorination of Butane due to Gradescope by 11:59 PM |
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| Isolation of Trimyristin from Nutmeg | November 12 |
Read Wade, Section 25-1 through 25-4. | |
| Searching the Chemical Literature and check-out | November 19 |
Read Chapter 68. You will do a literature search using online methods and check out of drawer. NOTE: If you do not check out properly, you will lose the credit equivalent to one technique experiment (50 pts). | Trimyristin due to Gradescope by 11:59 PM on 11/19. Chemical lit search due to Gradescope by 11:59 PM Sunday, November 29. |