Which of the following statements regarding thin layer chromatography are correct? O a. The larger a Rf of a compound, the larger distance it travels on TLC plate O b. When comparing two different compounds, the compound with the larger Rf is more polar O c. Larger Rf means compounds interact weaker with polar surface on the TLC O d. Polar compounds interact more strongly with polar surface of TLC and move faster e. a and b f. a and c

Which of the following statements regarding thin layer chromatography are correct? O a. The larger a Rf of a compound, the larger distance it travels on TLC plate O b. When comparing two different compounds, the compound with the larger Rf is more polar O c. Larger Rf means compounds interact weaker with polar surface on the TLC O d. Polar compounds interact more strongly with polar surface of TLC and move faster e. a and b f. a and c

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

a. Say you are trying to separate two compounds by column chromatography. You run a column and collect the eluent in five fractions. You analyze each fraction by TLC on the same plate (shown below). Based on the TLC plate, how effective was your separation? Consider the purity of each fraction. - - - - - - - - ----| 1 2 3 4 5
What are the retention times and areas of all the attached peaks?
7. Which of the following compounds will elute LAST in a reverse phase chromatography? A. B. C.
In the diagram of TLC for column chromatography, What does light faded looking spots (less or less product, etc.)? Which fractions contain the product? concentrated 1 2 3 4 14 26 15 27 16 28 17 29 5 6 7 8 18 19 30 31 32 20 33 9 21 10 22 11 23 12 13 24 25 34 35 36 37 38
If peak A has a width of 10 min and peak B has a width of 16 mins, what is the column resolution?
What is stationary phase used is liquid chromatography? What compounds does it bind best and why?
which of the folowing(s) is/are true ? 1 split ratio in GC is a ratio of sample passed to column to amount of mobile phashe 2 column resolution decreases with increasing column lenght 3 decreasing the tube diameter ,increases the resolution
35. The stationary phase, as well as mobile phase, are liquid in Adsorption column chromatography O Partition column chromatography Gel column chromatography
PLS ANSWER ALL// Choose the correct letter
One of the main differences between TLC and column chromatography is the direction in which the mobile phase moves. Group of answer choices True False
For recrystallized salicylic acid compound Explain how IR SPECTRUM works using KBr disc on a chemical level.
Chemistry A chromatographic peak has a retention time of 120 s. the width at the base of the peak equals 3.2s, at the intersection of the sides of the peak with the baseline. If the column is 200 cm long. a.What is the number of theoretical plates. b. The equivalent height of each plate. c. The sensitivity of the method if the retention time of the mobile phase is 50 s.