Thin Layer Chromatography
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Question 1 of 8
1. Question
The mobile phase in a thin layer chromatography (TLC) setup consists of heptane. What factor best explains why some compounds traveled further than others when heptane was added to the TLC plate?
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Question 2 of 8
2. Question
Which of the following molecules would travel the furthest in normal phase thin layer chromatography?
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Question 3 of 8
3. Question
Which of the following molecules would travel the shortest distance on a normal phase thin layer chromatography plate?
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Question 4 of 8
4. Question
Which of the following molecules will travel the shortest distance in reverse phase TLC?
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Question 5 of 8
5. Question
Which of the following molecules will travel the further distance from the origin in reverse phase TLC?
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Question 6 of 8
6. Question
Which of the following molecules would travel the shortest distance on a reverse phase thin layer chromatography plate?
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Question 7 of 8
7. Question
Metformin and phenformin are biguanide class drugs used to treat type II diabetes. While both are effective at achieving glycemic control phenformin causes life threatening lactic acidosis in 7% of patients taking the drug and has since been replaced by metformin which causes lactic acidosis at a much lower rate. Based on the structures of the two drugs which of the following would be true?
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Question 8 of 8
8. Question
Conversion of a ketone into a geminal diol via a base-catalyzed addition reaction would:
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