a) A student performed a thin layer chromatographic separation experiment. In he first run, four standard substances A – azobenzene, B - benzoin, C -cinnamic acid, and D – dextrose were spotted on the plate. The line indicates the solvent front. In he second TLC run a mixture (X) of two of hese same substances was separated. Based on Rf values, what is the identity of the unknown mixture X? b) A second mixture, Y, was run at the same АвсD ime. What is wrong with the solvent system
a) A student performed a thin layer chromatographic separation experiment. In he first run, four standard substances A – azobenzene, B - benzoin, C -cinnamic acid, and D – dextrose were spotted on the plate. The line indicates the solvent front. In he second TLC run a mixture (X) of two of hese same substances was separated. Based on Rf values, what is the identity of the unknown mixture X? b) A second mixture, Y, was run at the same АвсD ime. What is wrong with the solvent system
Chapter8: Forms Of Drugs And How They Act
Section: Chapter Questions
Problem 30RQ
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Transcribed Image Text:10.
(a) A student performed a
thin layer
chromatographic separation experiment. In
the first run, four standard substances
A - azobenzene, B - benzoin, C -cinnamic
acid, and D – dextrose were spotted on the
plate. The line indicates the solvent front. In
the second TLC run a mixture (X) of two of
these same substances was separated. Based
on Rf values, what is the identity of the
unknown mixture X?
(b) A second mixture, Y, was run at the same
time. What is wrong with the solvent system
used to try to separate Y?
АвсD
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