Multiple Choice
![Thin-layer chromatography is a method that can be used to separate molecules by their polarity. A mixture of molecules in a nonpolar liquid (the mobile phase) is added to the bottom of a piece of adsorbent material (the stationary phase) and allowed to migrate up the material. More-polar molecules interact more strongly with the stationary phase and thus migrate less. Less-polar molecules interact less strongly with the stationary phase and thus migrate more. Below are sample data for four different molecules from a thin-layer chromatography experiment. [Art: custom PowerPoint figure created by the author] -Below are the structures of two molecules: ethanol and cyclohexane. Which would migrate farther in a thin-layer chromatography experiment? [Art: modified from Wikipedia images of the structures] A) Cyclohexane would migrate farther. B) Ethanol would migrate farther. C) Cyclohexane and ethanol would migrate equal distances.](https://d2lvgg3v3hfg70.cloudfront.net/TB6039/11eaa8fa_4abf_69ab_96ab_1fc7cb4d03d0_TB6039_00_TB6039_00_TB6039_00.jpg)
Thin-layer chromatography is a method that can be used to separate molecules by their polarity. A mixture of molecules in a nonpolar liquid (the mobile phase) is added to the bottom of a piece of adsorbent material (the stationary phase) and allowed to migrate up the material. More-polar molecules interact more strongly with the stationary phase and thus migrate less. Less-polar molecules interact less strongly with the stationary phase and thus migrate more. Below are sample data for four different molecules from a thin-layer chromatography experiment. [Art: custom PowerPoint figure created by the author]
-Below are the structures of two molecules: ethanol and cyclohexane. Which would migrate farther in a thin-layer chromatography experiment? [Art: modified from Wikipedia images of the structures] ![Thin-layer chromatography is a method that can be used to separate molecules by their polarity. A mixture of molecules in a nonpolar liquid (the mobile phase) is added to the bottom of a piece of adsorbent material (the stationary phase) and allowed to migrate up the material. More-polar molecules interact more strongly with the stationary phase and thus migrate less. Less-polar molecules interact less strongly with the stationary phase and thus migrate more. Below are sample data for four different molecules from a thin-layer chromatography experiment. [Art: custom PowerPoint figure created by the author] -Below are the structures of two molecules: ethanol and cyclohexane. Which would migrate farther in a thin-layer chromatography experiment? [Art: modified from Wikipedia images of the structures] A) Cyclohexane would migrate farther. B) Ethanol would migrate farther. C) Cyclohexane and ethanol would migrate equal distances.](https://d2lvgg3v3hfg70.cloudfront.net/TB6039/11eaa8fa_4abf_dedc_96ab_a31f5e28717b_TB6039_00.jpg)
A) Cyclohexane would migrate farther.
B) Ethanol would migrate farther.
C) Cyclohexane and ethanol would migrate equal distances.
Correct Answer:
Verified
Correct Answer:
Verified
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