Questions
Draw the structures of Aspirin, Acetaminophen, Ibuprofen, and Caffeine.
What is the structural relationship between Aspirin and Acetaminophen? Give both similarities and differences.
Many over-the-counter analgesics contain caffeine. What might be the purpose of this?
What would happen if you spotted too much sample on the TLC plate?
Comment on why the solvent system chosen was a good one for this separation.
Which of the samples traveled the furthest, speculate as to why?
Don't forget that conclusion!
Questions
1. 2.
Draw the structures of Aspirin, Acetaminophen, Ibuprofen, and Caffeine
differences. 3. Many over-the-counter analgesics contain caffeine. What might be the purpose of this? 4. What would happen if you spotted too much sample on the TLC plate? 5. Comment on why the solvent system chosen was a good one for this separation. 6. Which of the samples traveled the furthest, speculate as to why?
Don't forget that conclusion!