Answered: You can perform a TLC experiment even…

You can perform a TLC experiment even if the solvent level is above the level of the initial spots. Select one OTrue OFalse

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter89: Thin-layer Chromatography

Section: Chapter Questions

Problem 7P

See similar textbooks

Related questions

Q: A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot,…

A: The retardation factor (Rf) provides the interaction of the substance with the thin layer of the…

Q: 3. Consider a sample that is a mixture composed of biphenyl, benzoic acid and benzyl alcohol. The…

A: On a normal TLC plate, the Rf values solely depend on two factors: (i) the polarity of the…

Q: If the TLC plates had been developed in a more polar solvent, would retention factors on the whole…

Q: Calculate the Re value for a spot in a TLC experiment if the solvent moved 14.5 cm and the spot…

A: Given Distance moved by solvent = 14.5 cm Spot of Compound moved from the origin = 6.1 cm Rf =…

Q: Calculate the Rf value for a spot in a TLC experiment if the solvent moved 14.9 cm and the spot…

A: Given values, Distance travelled by solvent = 14.9 cm Distance travelled by solute= 9.5 cm

Q: 1. a compound has an Rf value of 0.97 diethyl ether but an Rf value of 0.045 in cyclohexane. Suggest…

Q: Why mixture of solvents such as ethyl acetate with 5% acetic acid is used as a solvent/mobile phase…

A: TLC (Thin layer chromatography) is a technique to separate the components of mixture. TLC uses a…

Q: What is the Rf value for a compound if it moves 3.0 cm from the origin when the initial spot is…

Q: What is wrong with the following TLC setup? Developing solvent Origin

A: Thin layer chromatography (TLC) is technique used in synthetic chemistry to check the progress of…

Q: Can you DRAW a TLC plate in an elution chamber that shows 3 lanes each with one spot. Label the…

A: A thin layer chromatography (TLC) is used to seperate components of mixture using thin stationery…

Q: Before developing a TLC plate you should _______. a. Make sure to mark the origin with a pen b.…

A: While developing a TLC plate, we should always use a pencil (not pen) because: Pencils are cheap and…

Q: One of the following techniques cannot be used for separation ounodwom Select one: O a.…

A: Answer - The correct option is (b) boiling point determination. The boiling point of a compound,…

Q: Find the Rf value from given data. Thank you

A: In Thin Layer Chromatography, the compounds can be separated by the solvents in the TLC plate. The…

Q: If the TLC chromatogram in the picture was duplicated but using a column, draw the set-up and label…

A: The components on the column moves opposite to that of chromatography paper. The spot of the most…

Q: What will be the appearance of a TLC plate if a solvent of too low polarity is used for the…

A: Thin layer chromatography is a technique which is used for the separation of components of a…

Q: Demonstrate how to make TLC, and analyze the sample for any purpose, which deemed suitable for you

A: TLC is a thin layer chromatography, a technique used for separating non-volatile mixtures and…

Q: A fresh TLC plate is spotted with compound A,B and C, but with methylene chloride as a solvent. How…

A: The solution is given below -

Q: A TLC analysis is performed on both crude and purified biphenyl. Upon visualization under the UV-…

A: The technique through which the components of a mixture are separated using different affinities of…

Q: Which terpene has an area of 1.32cm2? Choose... What is the total area of terpene peaks in cm2?…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: I need help darwing a TLC plate and figuring out the Rf values is the retention factor values We…

A: The crude mixture is the component that is obtained directly from the reaction after its completion.…

Q: Based on the information given, what separation technique(s) is/are most likely feasible? please…

A: The two liquids in the mixture having the difference in the boiling point greater than 25 0 C can be…

Q: do you think that a dye with a high retention factor is more soluble or less souluble in the solvent…

A: Retention factor is defined as the ratio of the distance travelled by the solute solution to the…

Q: Which compound would you be most likely to visualize using UV-light on a TLC plate? Why? How might…

Q: i need to caluclate a rf value for the tlc plate and i really need help with showing the steps…

A: TLC can easily tell whether a reaction is complete or not. On a TLC plate, a polar compound takes…

Q: Name of experiment : Gas Chromatography (GC);Separation of alcohols Q1:Purpose of experiment…

A: Ans. Gas chromatography: Gas chromatography (GC): Separation of alcohols (1) Purpose of experiment:…

Q: Significant the IR peaks observed in each fraction? First image fraction #1 Second image fraction #2

A: A question based on IR spectrum, which is to be accomplished.

Q: QUESTIONS 1) How will the following affect the TLC separation? a) too much sample applied. b)…

Q: 4) Would you expect cis-1,2-dimethylcyclohexane and trans-1,2-dimethylcyclohexane to have a good…

A: TLC is a type of chromatography used in separation of non volatile Mixture. Its stationary phase is…

Q: Calculate the RF value for a spot in a TLC experiment if the solvent move 13.5 cm and the spot move…

Q: Which of the compounds ( diethyl ether, hexane, benzaldehyde, ethanol ) would be eluted firstly from…

A: Chromatography is a very important tool used in the separation of the compounds. It has two…

Q: I need to get the rf valuse from a made up value and draw a tlc plate of 30% ethyl actate and 70%…

A: TLC can easily tell whether a reaction is complete or not. On a TLC plate, a polar compound takes…

Q: An unknown mixture was analyzed with TLC on a silica gel plate. Development gave two spots with Rf…

A: During the organic synthesis, the target compound will accompany by other side products that exist…

Q: When you run a TLC plate with methyl orange and biphenyl, you observe very large, broad, streaky…

A: In TLC chromatography, the TLC plates (silica gels) are known as the stationary phase and the…

Q: If the stationary phase and the compound being tested are both polar, will the retention factor (Rf)…

A: Given that both the stationary phase and the compound being tested are polar.

Q: 2-naphthol IR Tables that contains the important peaks for the experimental

Q: What will be the appearance of a TLC plate if a solvent of too low polarity is used for the…

A: In TLC, stationery phase is used is polar in nature. components or analyte that has to seperate, has…

Q: Which will have the highest Rf value from a normal phase TLC? O chlorophyll O B-carotene O…

Q: Why is it important to see the level of solvent in the developing chamber when running a TLC…

A: It is extremely important that the solvent in the developing chamber be lower than the spots on the…

Q: A student spots an unknown sample on a TLC plate. A single spot with an Rf of 0.55 showed up on the…

Q: How does increasing the polarity of the developing solvent affect the Rf of a compound on a silica…

A: TLC stands for Thin Layer Chromatography. This process is basically used for the differentiation of…

Q: There were 2 spots on the TLC that did not match up with any of the standards. What were the Rf…

A: A TLC plate is used to determine whether a reaction is proceeding or not. This is done by seeing the…

Q: What happens if the spots are made too small when preparing a TLC plate for development?

Q: In TLC, point of origin refers to O The bhottom edge of the TLC plnto.

A: Question 1: Option 1 is the correct answer. The point of origin was sketched very lightly with…

Q: For a reverse phase TLC separation, which of the following molecules will elute first? a. 1 b. 2…

A: The organic compounds given are

Q: Two compounds have Rf values of 0.50 and 0.61, respectively. The solvent front on a plate is…

A: Term Rf value is related to chromatography technique. Rf value is the distance travelled by given…

Q: Suppose triphenylmethanol and biphenyl have R¢ values of 0.30 and0.60, respectively, in a certain…

A: Various techniques are used for the separation of mixtures. Chromatography is one of them.…

Q: Why might it be very difficult to visualize the separation of cis- and trans-2-butene by TLC?

A: Structures of 2-butene isomers are given below,

Q: но H. но OH OH А В O.

A: The components on the column moves opposite to that of chromatography paper. The spot of the most…

Question

You can perform a TLC experiment even if the solvent level is
above the level of the initial spots.
Select one
O True
OFalse

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1 Multiple

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Demonstrate how to make TLC, and analyze the sample for any purpose, which deemed suitable for you
For a reverse phase TLC separation, which of the following molecules will elute first?a. 1 b. 2 c. 3
If the TLC plates had been developed in a more polar solvent, would retention factors on the whole be larger, smaller, or unchanged? Briefly (1 - 2 sentences) explain your reasoning
The three standards have different retention times on the Mini-GC. What physical characteristics of the molecules do you think contribute to this?
In order to achieve the best separation of several components of different polarity in a mixture spotted on a TLC plate, what guideline should one follow regarding the choice of a developing solvent? (i.e. polar, non-polar, etc,)
How does increasing the polarity of the developing solvent affect the Rf of a compound on a silica gel TLC plate?
As solvent polarity increases, the Retention Factor (Rf) of compounds on the TLC plate increases. Group of answer choices True False
A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf value is 0.05, is observed. Is the un-known material a pure compound? What can be done to verify the purity of the sample?
in what order (from lowest to highest Rf) would you expect to find compund A, B, and C on a silica gel TLC plate with dichloromethane? Draw flowchart for separation with org solvent: ether, methylene chloride, aq: HCl, NaOH, NaHCO3
An ideal RF value for a compound on a developed TLC plate is 0.30. How could you adjust the TLC developing conditions to obtain an RF of 0.30 if it's too low or too high (Hint: Think about chromatography phases).
which would stain with KMnO4 after a TLC Please provide only typed answer solution no handwritten solution needed allowed
How would you discuss method of separation and identification of compounds in TLC?