Which of the following chromatographic methods cannot use a mixture of liquid solvents (eluents) during the separation process?     Thin layer chromatography     High pressure liquid chromatography     Column chromatography     Gas chromatography

Q: In a normal phase chromatography setup, which would be the predicted characteristics of the eluates…

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Q: Which of the following is INCORRECTLY paired? a. SDS-PAGE : Size b. Gel filtration chromatography :…

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Q: Which are true for paper chromatography? Select the correct response(s): the less polar component…

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Q: All chromatographic techniques can be used as separation methods.  True  False

A: Chromatography is a laboratory technique for the separation of a mixture into its components.…

Q: A student analyzes sample 1, and sample 2 chromatograms of a mixture containing two compounds (A +…

A: The two samples( Compound A+Compound B ) are undergone chromatography : Compound A and Compound B

Q: Is the separation of the mixture shown here a physical orchemical process?

A: SOLUTION: Step 1: The separation of the mixture shown above (i.e. by column chromatography) is a…

Q: For ion exchange chromatography, elution step is used to unbound components to obtain the desired…

A: Ion-exchange chromatography is an important analytical technique which is based on the attraction…

Q: 1. The flame-ionization detector is used in gas chromatography because the eluates cannot be…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which of the following statements about a gas chromatogram is correct? O The height of the peak in…

A: A multiple choice question based on Gas Chromatogram, which is to be accomplished.

Q: Which one of the following approaches would be inappropriate for the introduction of the sample in…

A: ICP-MS is a type of mass spectroscopy which is used to ionize a sample.

Q: Gas chromatography requires a sample size.

A: Dear Subscriber! You have posted multiple questions. As per our policy, we answered only first…

Q: Which of the following statements about a gas chromatogram is correct? O Tailing indicates that the…

A: A question based on analytical separations that is to be accomplished.

Q: igh-performance liquid chromatography would never be applied in drug analysis This statement is…

A: Given : We have to tell whether the statement is true or false.

Q: To minimize systematic errors in the separation using TLC, which of the following factors should be…

A: TLC is thin layer chromatography and used for separation and identification

Q: 2. a) What is a bonded phase in HPLC? b) Give an example of a bonded phase in reversed-phase liquid…

A: Bonded Phase is the compound that is directly attached to the stationary phase in the liquid…

Q: Which of the following statements about the mobile phase in Supercritical fluid chromatography (SFC)…

A: Given statement about the mobile phase in SFC are =>  It has solvent properties of a liquid. It…

Q: Explain why a chromatographic separation normally has an optimum flow rate that gives the best…

A: When an fast flow rate is maintained, the band is not allowed to spend much time within the column…

Q: Chromatography

A: Chromatography is a technique used for separation of mixtures. A fluid called as mobile phase is…

Q: Based on the different chromatographic techniques that you have learned, provide a method or…

A: Firstly for dioxin analysis,this involves liquid -liquid extraction method followed by pre…

Q: A chemist was able to extract a biologically active compound and wants to purify the sample since he…

A: THIN LAYER CHROMATOGRAPHY: A chromatographic technique which is used to separate or purify the…

Q: consequence of an open and uncovered chromatographic chamber?   The travel rate of a component…

A: Chromatography is based on the principle where molecules in mixture applied onto the surface or into…

Q: Gestation time arrangement of Hegran, Hexanol, and Benzene compounds in the reverse phase of column…

A: A question based on analytical process that is to be accomplished.

Q: The flame-ionization detector is used in gas chromatography because the eluates cannot be detected…

A: Detector is the instrument that can detect the eluate species. In gas chromatography analyte…

Q: UV-Vis Absorption is a type of O data base system O injector detector O pump Gas chromatography is…

A: Given,  UV-Vis absorption

Q: In a reverse phase chromatography setup, which of the following compounds will have the HIGHEST…

A: Ans : Toluene  (Toluene is non polar compound. Therefore elutes last in the reverse phase…

Q: An unknown sample of nail polish remover contains a mixture of acetone and ethyl acetate. If the…

A: Retention time (RT) is a measure of the time taken for a solute to pass through a chromatography…

Q: Retention time can be used to identify a compound in a mixture using gas chromatography. Choose a…

A: We have to tall which parameter will not affect the retention time of a compound in a gas…

Q: All of the following are classified as an instrumental method of analysis EXCEPT:   A.…

A: The analysis in which we rely on the instrument is called as instrumental method of analysis.

Q: In a normal phase chromatography setup, which would be the predicted characteristics of the eluates…

A: Ans : Eluates will be in decreasing polarity ( Benzoic acid is more polar than benzaldehyde.…

Q: Retention volume in a chromatographic experiment 1) increases with decreasing length of the column…

A: Retention volume VR is the volum of eluent carrier gas admitted to the column between the injection…

Q: The uses of thin layer chromatography are: 1) To identify unknown compounds 2) Determine purity of…

A: The correct answer is given below.

Q: What would be the effect of the following errors in chromatographic work? a. The solvent level in…

A: As per rules, only the first three subparts of the first question can be answered. Reasons behind…

Q: Chromatography is a separation technique. What is the physical or chemical basis for separation of…

A: The separation relies on the relative affinity of compounds towards both the phases. The compounds…

Q: Which one of the following chromatographic techniques is useful in the identification of organic…

A: Chromatography is used to know the molecular weight . Here the known polymer is used to made the…

Q: As solvent polarity increases, the Retention Factor (Rf) of compounds on the TLC plate increases.…

A: Retention factor= distance travelled by compound/distance travelled by solvent. As solvent polarity…

Q: the efficiency of a chromatographic column improves the measure that a.increases the height of the…

A: We know that, In chromatography, column efficiency is measured in terms of number of theoretical…

Q: Lalisa and Labmi were tasked to design a new and efficient method of producing black inks. To…

A: Retardation or retention factor (Rf) value is the ratio of distance traveled by the analyte to that…

Q: paper chromatography

A: In this question we have to explain that the arrangement of the above compounds in increasing Rf if…

Q: Which of the following statements about the mobile phase in Supercritical fluid chromatography (SFC)…

A: Gas chromatography is a type of chromatography used in analytical chemistry used for separating and…

Q: Peak area is used for quantitative analysis in gas-liquid chromatography.   True False

A: Is the given statement true or false has to be identified.

Q: Which among the following applies to reversed phase chromatography?    i. Compounds of low polarity…

A: The correct answer about reversed phase chromatography is given below

Q: What would happen to the retention time of a given compound if the carrier gas flow rate of the gas…

A: Retention time (RT) it is the time taken by a solute to pass through a chromatography column. In…

Q: In paper chromatography, which of the following may cause premature separation? Select one: a.…

A: Given :  In paper chromatography, which of the following may cause premature separation?

Q: Please answer these questions for ion chromatography?

A: Solution Ion-exchange natural action (IEC) is an element of particle natural action that is a…

Q: One of the main differences between TLC and column chromatography is the direction in which the…

A: Purification is one of the key step in the isolation of organic or inorganic compounds. Different…

Q: ) You perform column chromatography on a sample of clove oil and collect a total of 16 fractions.…

A: The main components of clove oil are eugenol, eugenol acetate and caryophyllene. The structures of…

Q: THIN LAYER CHROMATOGRAPHY  IS A (LIQUID LIQUID) PARTITION TECHNIQUE SIMILAR TO COLUMN…

A: Thin Layer Chromatography (TLC) is a solid-liquid technique in which the two phases are a solid…

Q: Question 12 Which of the following is separated through column chromatography? O Chlorophyll and…

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Q: All chromatographic techniques can be used as separation methods. True O False

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