We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Which of the following compounds would have the lowest Rfvalue on a TLC plate? HO OH...
Which of the following compounds would have the lowest Revalitie on a TLC plate? HO OF B. A. C. D. E. B O C OD 0 A OE
Which of the following compounds would have the lowest R-value on a TLC plate? ఇరోంకరం D. THE. OA OB OD O OE
Which of the following compounds would you expect to have the lowest Rf value on a silica gel TLC plate developed with dichloromethane? O A. Naphthalene O B. Phenyl acetate OC Butyric acid QUESTION 3 Which of the following compounds would you expect to have the highest Rf value on a silica gel TLC plate developed with dichloromethane? O A 2-octanone O B. Acetic acid C. 1-butanol OD. decane E. acetaldehyde
TLC Consider the following silica gel TLC plate of compounds A, B, and developed in hexanes: solvent front 0 D origin A B C 22. Determine the Ry values of compounds A, B, and Crun on a silica gel TLC plate using hexanes as the solvent. 23. Which compound, A, B, or C, is the most polar? 24. What would you expect to happen to the Ry values if you used acetone instead of hexanes as the eluting solvent? 25.TLC...
LTC plate
A mixture of compounds A, B and C was spotted on a TLC plate and the TLC was run in dichloromethane solvent. Which of the following compounds will have the highest R_f value? Explain why? A mixture of compounds A. B and C was separated using column chromatography with dichloromethane as the mobile phase. Which of the following compounds will elute as the last fraction from the column? Explain why?
6. Silica gel was used as the solid support for the TLC plate.
Which of the three compounds (A, B, or C) in the APPLIED MIXTURE is
the least polar? (See the figure attached.)
8. Which compound below will have the highest Rf on a TLC
plate? Explain your reasoning. (See figure attached.)
10. The following TLC plates have been spotted with two
different compounds and are about to be eluted. For each plate,
explain if it has been spotted...
- Which of the following compounds has the lowest pKa? COOEt H2 OH COOET CN COOEt c. COOEt d. COOEt e. CN produtos e Pero e promene . Quomo comenon Which of the following compounds would produce a racemate when treated with base? d. a) and b) only e. all of these Осня What is the major product of the transformation below? 1. LDA, -78c 1. CHẠMgBr 2. H2O 2. PhSeBr 3. H202 iš å så
Arrange the compounds in order of increasing boiling point (lowest first). OH HO. grigen HO. HO.
2) Below is a developed TLC plate and the four compounds which are visualized on it. Match up the numbered TLC spots with the letters corresponding to the given structures.
Possible Quiz Questions 1 What two methods of visualizing spots on a TLC plate will you use in this Give two reasons why would you predict that the elution solvents (hexanes or acetate) would not be visible under UV visualization? week's lab? ethyl 2. Define R 3. Calculate the R of the spot on the following TLC plate. 4. Which compound in each pair is predicted to have the higher Ri? a. CH3CH2CH2CH2OH and CH3CH2CH2CH28r b. CH3CH2CH2CH2OH and CH3CH2CH2CH2CH2CH2CH3 c....