During Buchner filtrati on a portion of the filtrate isused for swirling the resi due into the funnel and the pump is reconnected. Why do you use the filtrate here instead of water?
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During Buchner filtrati on a portion of the filtrate isused for swirling the resi due into the funnel and the pump is reconnected. Why do you use the filtrate here instead of water?
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- According to the chromatography the value of the distance traveled by the solvent is:Select one:a. 9.0 cmb. 11.0 cmc. 10.0 cmd. 12.0 cmThe separation occurs on a thin film of the immobilized solid support surface of liquid stationary phase. The solute moves to and pro between the stationary phase and the mobile phase due to its relative rate of solubility. Name the chromatographic technique described. A. Affinity chromatography B. Partition chromatography C. Absorption chromatography D. Size exclusion chromatographyIn vacuum filtration, the filter paper should be wet before the final product solution is poured into the buchner funnel. Explain why such an action should be implemented.
- What do you understand by Isocratic and Gradient elution?In chromatography, the compound that is least soluble in the mobile phase a) Travels the furthest away from the line of origin b) Stays closest to the line of originfor specialized fractionating column in a experiment, there are ways to increase the surface area for reflux. what is the trade-off that must be made when considering the choice of fractionating column vs fractional distilliation?
- A 1.59 g sample containing KI was analyzed gravimetrically and 0.0538g of Barium Iodate was recovered... express the results of this analysis as percent posassium iodide.6. Explain the instrumentation of super critical fluid chromatography in detail. You can construct a figure for illustration of different section of it.Why is neutral medium or slightly alkaline medium more suitable for Mohr's method and What are the color changes at the end point?
- The distance travelled by the compound depends on how soluble it is in the chosen solvent. True False 2021-11...50.03 PM Screen Shot 0031.11...50.12 PMWhich technique is based on the stronger attractionsome components have for the stationary phasecompared to the mobile phase? A. filtration D. chromatographyB. distillation E. sublimationC. crystallizationIn have narrow peaks are said to chromatography, a) a large plate height (H) b) a small plate height (H) c) a small number of theoretical plates (N)