You are attempted to purify a compound via column chromatography. Before starting the process, you determine the eluent solvent conditions using TLC. Upon running a TLC you determine the following: 1) In pure hexanes the Rf of your desired compound is 0.10 and the major impurity Rf is 0.15. 2) In pure ethyl acetate the Rf of your desired compound is 0.95 and the impurity comes to the eluent line. 3) in 90:10 hexanes:ethyl acetate the Rf of your desired compound is 0.40 and the impurity at 0.90. Which of these eluents would you use to run your column? Neat hexanes Neat ethyl acetate 90:10 hexanes:ethyl acetate Water
You are attempted to purify a compound via column chromatography. Before starting the process, you determine the eluent solvent conditions using TLC. Upon running a TLC you determine the following: 1) In pure hexanes the Rf of your desired compound is 0.10 and the major impurity Rf is 0.15. 2) In pure ethyl acetate the Rf of your desired compound is 0.95 and the impurity comes to the eluent line. 3) in 90:10 hexanes:ethyl acetate the Rf of your desired compound is 0.40 and the impurity at 0.90. Which of these eluents would you use to run your column? Neat hexanes Neat ethyl acetate 90:10 hexanes:ethyl acetate Water
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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![You are attempted to purify a compound via column chromatography. Before starting the process,
you determine the eluent solvent conditions using TLC. Upon running a TLC you determine the
following:
1) In pure hexanes the Rf of your desired compound is 0.10 and the major impurity Rf is 0.15.
2) In
pure ethyl acetate the Rf of your desired compound is 0.95 and the impurity comes to the
eluent line.
3) in 90:10 hexanes:ethyl acetate the Rf of your desired compound is 0.40 and the impurity at 0.90.
Which of these eluents would you use to run your column?
Neat hexanes
Neat ethyl acetate
90:10 hexanes:ethyl acetate
O Water](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa6c5565a-787b-43d3-b23e-780453faf6da%2F2986222c-828a-4b31-89e2-6d5409c56b8f%2Feg07mou_processed.png&w=3840&q=75)
Transcribed Image Text:You are attempted to purify a compound via column chromatography. Before starting the process,
you determine the eluent solvent conditions using TLC. Upon running a TLC you determine the
following:
1) In pure hexanes the Rf of your desired compound is 0.10 and the major impurity Rf is 0.15.
2) In
pure ethyl acetate the Rf of your desired compound is 0.95 and the impurity comes to the
eluent line.
3) in 90:10 hexanes:ethyl acetate the Rf of your desired compound is 0.40 and the impurity at 0.90.
Which of these eluents would you use to run your column?
Neat hexanes
Neat ethyl acetate
90:10 hexanes:ethyl acetate
O Water
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