Quiz Bank 5

Quiz Bank 5 - Quiz Bank 5 Questions will come from the IR,...

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Quiz Bank 5 Questions will come from the IR, TLC chapters and lecture notes 1. What is a “green” method for extraction? 2. By what method, which is used industrially, is caffeine removed from coffee to make decaffeinated coffee products? 3. Draw a generic phase diagram for CO 2 and indicate how solid carbon dioxide could go from a solid to a liquid. Assuming CO 2 goes from a solid to a gas at room temperature, what must we do to the system in order to make it go from a solid to a liquid? 4. Name 2 things that TLC helps chemists determine? 5. What is an adsorbent? 6. TLC analyses of liquids often do not work. Why? 7. The mobile phase is also known as what? 8. The adsorbent on the TLC plate is known as the _________ phase. 9. The more tightly a compound binds to the adsorbent, the ________ it moves on the TLC plate. 10. The leading edge of the solvent is known as the ________ ______. 11.
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Quiz Bank 5 - Quiz Bank 5 Questions will come from the IR,...

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