REPORT SHEET Rr (show calculations below the Distance from Distance from Color of spot(s) origin to solvent front (cm) origin to center of spot(s) Sample table)

Q: Explain the principle of working and operation of Dye Penetration Technique Inspection with neat…

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Q: does melting point determination remove impurites in crude protein?

A: Concept- Melting point is the temperature at which solid will convert into liquid. Because it is a…

Q: Why is it important to do extraction with solvent more number of time than just once?

A: Solvent extraction is the liquid-liquid extraction wherein the compounds are separated based on…

Q: Classify attached solvent as protic or aprotic.

A: A protic solvent is a solvent that has a H atom attached to an oxygen, Nitrogen or fluoride.

Q: Screen. 7 With increasing polarity of solvent the

A: UV-Vis Spectroscopy can be defined as a technique that is used for measuring amount of light…

Q: Classify attached solvent as protic or aprotic ?

A: Protic are the defined as the solvents in which the protons (hydrogen) are attached to the…

Q: Please give me a paragraph of discussion for Polyacrylonitrile (PAN) membrane.

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Q: What is 2D gel electrophoresis

A: 2D gel electrophoresis is a technique for detection and separation of proteins. It is a combination…

Q: CS Scanned with CamScanner a mechanism. to

A: This Reaction is between grignard Reagent and the epoxide  In this reaction the grignard reagent is…

Q: How ion rotate in magnet of analyzer which ion deflect more with higher radius and low?

A: When the ion beam enters into a magnetic field (the region between two poles of a magnet). When a…

Q: How long is the anticipated time for the oily layer formation when isopropyl alcohol undergoes Lucas…

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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: High-pressure ATR is used to analyze very hard sample.  True  False

A: Attenuated total reflection (ATR) spectroscopy is an analysis technique that utilizes the surface of…

Q: What are the possible reasons why there are no spots on the Developed Plate after analysis?

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Q: To perform extraction: Statement 1: Fill the separatory funnel less than half-full with the solution…

A: We always fill the separatory funnel less than half- full with the solution to be extracted to allow…

Q: Just prior to drying an organic layer with a drying agent, you notice water droplets in the organ…

A: We have to tell what we should do if the organic layer containing water droplets prior to drying…

Q: Why do we use more than one solvent in the cold extraction method?

A: In chemistry like dissolves like

Q: Explain how solvent trapping and cold trapping work in splitless injection.

A: In Gas chromatography both split and splitless injection takes place. Split injection is used when…

Q: What kind of samples can be analyzed by AFM? What are the applications of AFM?

A: Atomic Force Microscopy (AFM) is a powerful technique that can image virtually any type of surface,…

Q: What happen to ink in the filter paper strip which is store in isopropyl alcohol for 15 minute

A: Given: To determine what happen to ink in the filter paper strip which is store in isopropyl alcohol…

Q: How is the retention factor calculated for a specific spot when doing the TLC analysis? O Distance…

A: We have to tell the process of calculating of retention factor for a particular spot. The definition…

Q: Write 3 ways that can be used to get rid of emulsion.

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Q: What error is introduced into the determination of an Rf value if the top is left off the developing…

A: In chromatographic technique, the components of a mixture are separated by using a developing…

Q: Use special gel loading tips or a micro-syringe to load the complete sample in a narrow well. Take…

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Q: It is used with samples in MALDI system to help ionization of the sample and then irradiated with…

A: The objective of the question is to select one of the given options based on the given statement…

Q: Liquid extraction What can you do if you don't know which layer is which in an extraction procedure?…

A: Extraction is a fundamental technique used to isolate one compound from a mixture. A liquid/liquid…

Q: Diagram of Paper Chromatogram: Marker Dyes Draw all spots that appear on the chromatogram, and mark…

A: First observe the solvent front. It could be nearly 11 cm as per your picture of paper and ruler.…

Q: What is the retention factor (Rf) of the most polar and least polar spot present in the standard…

A: We have to give the retention factor (Rf) of the most polar and least polar spots present in the…

Q: What would happen if the student did not stop the development before the solvent reached the top of…

A: The solvent would wash away the dye.

Q: At the completion of the experiment, a student measures the solvent front to be 55 mm from the…

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Q: what will produce a smaller Rf value if the solvent and paper are both changed?

A: Increasing the polarity of solvent will result in increase in Rf value as the compound in even for…

Q: Test Tube Add First and note appearance Then add... 1 mL of 0.01 M KMNO4 plus 6 drops of 6 M H2SO,…

A: The given reactants are K2Cr2O7 and H2SO4.

Q: Answer the question from picture, please

A: The ratio of the distance travelled by a substance (ds) to the distance travelled by the solvent…

Q: improve

A: We know that resolution is a measure of how well two Elution peak can be differentiated in…

Q: Mode of separation that uses a polar stationary phase: IEX HILIC SEC NPLC

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Q: What is the Rf of the compound if the compound distance is 2.59 cm and the solvent front distance is…

A: Given that, Distance travelled by solute= 2.59 cm Distance travelled by solvent= 5.81 cm Then ,…

Q: for target

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Q: Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front that travels 13 cm.

A: Rf is a retardation factor that is defined as the distance traveled by a substance divided by the…

Q: How column is developed and solvent selection is done in HPLC?

A: HPLC stands for High-pressure liquid chromatography or high-performance liquid chromatography.HPLC…

Q: Solvent frost Solvent front Original spct Original spot a. b. Select the diagram that represents the…

A: correct answer is (a)

Q: Should you increase the diameter or length of the chromatography colum for increasing throughput?

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Q: What would happen if the spots on a plate were below the solvent level when the plate was placed in…

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Q: Prepare a procedural flow chart that provides a simplified overview of the entire extraction…

A: The procedural flow chat of extraction process is explained in step 2.

Q: On what events where the result of the gel electrophoresis may not be believable or invalid.

A: Gel electrophoresis is a technique used for DNA (deoxyribonucleic acid) analysis. In this technique,…

Q: observation and inference hexane is subjected into lucas test and Metallic sodium test

A: Sodium Metal Test: Drop a piece of sodium metal in the liquid to be tested (before adding sodium…