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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
1. What would happen to the spinach TLC plate in the lecture if the plate was run with 100% acetone?
A. The components would move sideways
B. All the components would move too fast to the top
C. All the components would move too slow and not move
D. No change
2. What would happen to the spinach TLC plate in the lecture if the plate was run with 100% Petroleum ether?
A. The components would move sideways
B. All the components would move too fast to the top
C. All the components would move too slow and not move
D. No change
3. Which answer is the best mobile phase?
A. 40:60 acetone:petroleum ether
B. Silica gel
C. Spinach
D. Acetone
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- 3. The TLC technique can be used to: a. Check the purity of a compound. b. Determine the number of components in a mixture. c. Purify large amounts of a compound. d. Check the identity of a compound all of the above b and d a and d a and b a, b and darrow_forward17. A list of waste generated in this experiment is given below. Select the appropriate waste container for each waste. A. Organic liquid hazardous chemical waste container B. Solid hazardous chemical waste C. Broken glass waste container D. Aqueous liquid hazardous chemical waste container E. Trash F. Sink TLC plates Benzoic acid Gloves TLC capillary tubes HCI Chloroform NaOH 9-Fluorenone Pipettes Ethyl 4-aminobenzoate SUMMARYarrow_forwardDraw a magnified diagram of a TLC plate in a developing chamber and indicate the following a) developing solvent b) TLC plate c) original spot d) solvent front and e) compounds beginning to separate on the TLC plate.arrow_forward
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