Use a suitable model to explain how separation and identification of a mixture of organic compounds can be achieved with a thin layer chromatographic (TLC) technique.
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Use a suitable model to explain how separation and identification of a mixture of organic compounds can be achieved with a thin layer chromatographic (TLC) technique.
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- Why chromatography is an important tool for analysis of organic compounds?Can paper chromatography be used to separate and identify very volatile substances? Why? Please explain comprehensively.A young researcher set out to develop a method for quantifying the polycyclic aromatic hydrocarbon (PAH) content in a contaminated soil sample using open tubular gas chromatography. During the initial stages of method development, the researcher was unable to separate the early eluting compounds, anthracene and naphthalene, with baseline resolution. Select the possible modifications the researcher could make to improve the resolution. use a column with a smaller inner diameter decrease the column length increase the stationary phase thickness increase the temperature choose a different stationary phase
- Gas Chromatography (GC) is one of the useful techniques in analytical chemistry. Give two important components in GC.Differentiate normal phase chromatography from reverse phase chromatography. From which of the two governs the video demonstration in TLC and paper chromatography? How do you say so?Column chromatography is also very useful for separating mixtures of organic compounds that are not coloured. Briefly explain how you could use column chromatography for the separation of a colourless mixture, and how you could identify your separated compounds.
- An example of planar chromatography is: Column chromatography HPLC GLC TLCChemistry Briefly describe the differences between the scanning and SIM approaches with reference to your data. Discuss how and why your scanning (TIC) and SIM (mass chromatograms look different. Pay particular attention to selectivity of compounds detected and signal-to-noise. What are some advantages of SIM? What are some disadvantages?Question 7 TLC is an example of liquid-liquid partition chromatography. A True B) False
- How does ammonia, dimethylglyoxime (DMG), and 8-hydroxyquinoline (8HQ) interact with your cations, leading to the evolution of colored species? Context: Paper chromatography experiment (separation of inorganic cations) with a 9:1 acetone/ HCl solventChromatography is a separation technique. What is the physical or chemical basis for separation of compounds during thin layer chromatography?For what type of separation would you use ion exchange chromatography (IC)?