List the expected order of the compounds in Caraway oil to leave the chromatography column. Explain the order based on the functional groups contained in the molecules.
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List the expected order of the compounds in Caraway oil to leave the chromatography column. Explain the order based on the functional groups contained in the molecules.
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- In kool aid chromatography, why does reducing the dilution of 2-propanol result in its decrease in polarity?How to determine which is the most polar and least polar in REVERSE PHASE thin-layer chromatography? Also is paper chromatography, a planar or a column and solid-liquid or liquid-liquid?The compounds biphenyl and naphthalene are presented in a mixture. Can hexane be used as a solvent to separate the compounds by column chromatography with silica gel as the stationary phase? Why or why not.
- Which of the following carotenoid structures below would you expect to have the lowest RF in a chromatography experiment using an ether-petroleum ether mobile phase? Why? Lycopene: β-carotene: Vitamin AIn a column chromatography experiment. After purifying compounds by column chromatography, what are two other methods that you can use to confirm the identity of the compounds in each fraction? (other than TLC!) make sure to explain aswell. Thank youWhat would happen if a mobile phase of ethyl acetate/triethly amine is used in column chromatography for (3-nitrotoluic acid, 2-naphthol and 1,4-dimethoxybenzene)
- Which is the correct order of elution of a gas chromatography that has a polar column that contains water, acetone, and n-propanol.State the functions for each of these components used in the gel filtration chromatography using a column experiment. Buffer solution Dextran gel (Sephadex G-200) Water solution Bromophenol blue A mixture of albumin and bromophenol blue SpectrophotometerThe following Rf values were computed from a normal phase chromatography experiment. Arrange them from most polar to least polar. I - 0.25 II - 0.84 III - 0.56 IV- 0.67
- Which of the following is TRUE for a reversed phase chromatography experiment? i. Less polar compounds will have lower retention factors. ii. Polar compounds will have greater interaction with the stationary phase than with the mobile phase iii. Using non-polar solvents will hasten the rate of separation of the components in the sampleExplain how TLC and column chromatography can be used together to ensure the perfect separation of two organic compoundsOf Aspirin, ethanol, acetaminophen, ethyl acetate, hexane, and water which could go undetected during HPLC analysis, but could result in a lower than expected melting point, why are they not detected by HPLC analysis?