Which one of the following chromatographic techniques is useful in the identification of organic molecules having molecular weights more than 20,000? 1) reverse phase chromatography 2) normal phase chromatography 3) high pressure liquid chromatography 4) gel permeation chromatography

Q: IN GC, What effect does changing from a temperature ramp to an isothermal temperature program have…

A: Gas chromatography is the process of separating compounds in a mixture by injecting a gaseous or…

Q: Muna Al Naabi in the Analytical chemistry laboratory wanted to separate chlorophenol by liquid…

A: LIQUID CHROMATOGRAPHY(LC):  An analytical technique which is used to isolate a chemical sample into…

Q: 4. Chromatograms of compounds A and B were obtained at the same flow rate with two columns of equal…

A: column chromatography

Q: Help please : When comparing HPLC with Gas Chromatography , Gas Chromatography analysis may require…

A: Chemical derivatization is a step in gas chromatography in which a compound is chemically…

Q: Chromatographic analysis using gas-liquid chromatography with a 40-cm packed column gave the…

A: Given,             Compound                                Retention time, min…

Q: solvent front origin

A: In thin layer chromatography the compounds separate based on polarity, the more polar compound move…

Q: 23. An aqueous mixture of two substances are analysed by both paper chromatography and high…

A: Few questions based on general chemistry that are to be accomplished.

Q: What is chiral chromatography?

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Q: Which technique measures secondary structure? a. Size exclusion chromatography b. Circular Dichroism…

A: The secondary structure is formed by bending of the 1o structure. In this, an intermolecular force…

Q: Which is the correct order of elution of a gas chromatography that has a polar column that contains…

A: The sample, which may be a gas or a liquid, is injected into a gaseous mobile phase during gas…

Q: Which statements are true for molecular exclusion chromatography? I            Molecular exclusion…

A: Molecular sieve chromatography, is a chromatographic process that separates molecules in solution…

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: . What is lon chromatography?

A: chromatography  : Chromatography can be defined as the chromatography is a physical technique of…

Q: Thin Layer Chromatography why the non-polar compounds move up the plate most rapidly (higher Rf…

A: TLC is most useful technique to know the extent of the reaction .And the no of compound present in…

Q: Which of the following statements is incorrect? O A. In reversed-phase chromatography, the…

A:

Q: Q24) Consider the following data obtained from the size exclusion chromatography of polypropylene,…

A: This is question on molecular weight of polymer

Q: Choose the correct option. Which one of following techniques is used as fractionation as well as…

A: Molecular weight is the mass of one mole of substance. Units of molecular weight is grams per mole.…

Q: a. Calculate the retention factor for each spot from lanes A to E . b. Which ink standard was the…

A: Paper Chromatography is a technique where paper is used as the stationary phase through which the…

Q: In a normal phase chromatography set up, the component that yields the highest Rf value is likely to…

A: In a normal phase chromatography set up , the conponent that yields the highest Rf value is likely…

Q: Analysis of an unknown plant extract yield two peaks X and Y in a chromatogram, 15.65 and 17.03 min…

A:

Q: which method generally separates greater masses of sample? a) high performance liquid chromatography…

A: Different methods are employed to separate the component in a given sample.  Examples-  thin layer…

Q: Please choose an appropriate technique(s) to separate following compounds (it can be one, more than…

A: Column chromatography is a technique in which we can separately get components on the basis of…

Q: Classify the stationary phases based on whether they are commonly used in reversed-phase liquid…

A:

Q: Which of the following is not a method for measuring reaction rates? A) total pressure B) thin layer…

A: A multiple choice question based on measuring reaction rate, which is to be accomplished.

Q: Explain how TLC and column chromatography can be used together to ensure the perfect separation of…

A: Chromatography is a technique for the separation of a compound from the mixture. The column…

Q: Explain how we would run a paper chromatography on an amino acid sample (explain the procedure or…

A: Paper chromatography is the chromatography based on liquid-liquid partition chromatography. It…

Q: +Protein Mr pI 12,000 28,000 42,000 66,000 (a;) 103,000 (a2) 111,000 А В 8.4 C 7.2 9. E 5 F 4.2…

A: Size exclusion chromatography is an analytical technique that separates the components of a mixture…

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: 19. What is thin layer chromatography (TLC) LEAST useful for from the list below? A) To determine if…

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

Q: These chromatograms were recorded using reverse phase HPLC. |1,2,3 Peaks: 1. Benzyl alcohol 2.…

A: HPLC is based on the principle where the sample (analyte) is distributed between a mobile phase…

Q: Is the mobile phase for your TLC and column chromatography more or less polar than the stationary…

A: Mobile phase: It is the phase that is getting movement in the column. The sample that has to be…

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

A:

Q: Briefly explain how cation exchange chromatography can used in protein separation?

A: Cation exchange chromatography is a form of ion exchange chromatography (IEX), which is basically…

Q: Ms. Muna Al Naabi in the Analytical chemistry laboratory wanted to separate chlorophenol by liquid…

A: Number of theoretical plates and plate height can be calculated using respective formulas.

Q: Briefly explain how analytes are separated using the following modes of chromatography.…

A: Chromatography is  a process in which a chemical mixture is carried by a liquid or gas as medium is…

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: Chromatographic analysis using gas-liquid chromatography with a 40-cm packed column gave the…

A:

Q: For what type of separation would you use ion exchange chromatography (IC)?

A: Ion exchange chromatography separates ions and polar molecules based on their affinity to the ion…

Q: You have a mixture of 100 proteins with molecular weights between 30 and 45 kDa. All proteins in the…

A:

Q: How can you ensure “good quality” peak separation in high performance liquid chromatography (HPLC)?

A: In HPLC , different kind of columns are used to separate to isomers. So, here by using trial method…

Q: what chromatography seperation how is tlc part of it

A:

Q: 4. a. What physical property of a compound predicts whether that compound travels slowly or rapidly…

A: Gas chromatography is an analytical method to separate the components of a mixture in a sample by…

Q: The substances in the table below were chromatographed on a gel filtration column. Estimate the…

A: The molecular weight of the the unknown can be determined by plotting logarithmic value of molecular…

Q: 35. The stationary phase, as well as mobile phase, are liquid in Adsorption column chromatography…

A: Answer: Chromatography is a separation technique, in which we separate the components of a mixture…

Q: In a chromatographic analysis of an unknown mixture, compound A has a retention time of 5.56 minutes…

A:

Q: What kind of mixtures are separated by gas-solid chromatography?

A: Gas-solid chromatography is based on the absorption of gaseous substances on solid surfaces. In…

Q: For quantitative analysis with gas chromatography: O the area of a peak reported by the instrument…

A: In gas chromatography,see the graph:-

Q: 1. In the chromatography plate there are three solutes that move forward: 2cm, 2.5cm and 3cm Which…

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

A: