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Describe the DISTILLATE AND RESIDUE in the separation of the ethanol-water mixture in simple distillation.
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- You were given a mixture of two miscible solvent A and B that you are tasked to separate. You know that solvent A has a boiling point of 49 oC while solvent B has a boiling point of 174 oC. Which of the listed method would overall be the most efficient? Fractional distillation Recrystallization Solid-liquid extraction Liquid-liquid extraction Simple distillation Acid-Base extractionDescribe the basis of operation of the following separation methods. i. Precipitation ii. Distillation iii. ExtractionGive the advantages of using steam distillation in the recovery of an organic liquid from a mixture.
- What are the limitations of distillation as a purification/isolation technique? Briefly describe two distinct situations in which distillation would not be a useful way to separate a mixture of compounds into its component parts.Describe in words and by means of complete chemical equations, how a mixture of 1.25 g of benzoic acid tertbutylbenzene can be separated by applying the separation of 2 components by liquid-liquid extraction.Compare the simple distillation of pure hexane and binary mixture of hexane and toluene to that of a fractional distillation?
- Give a fundamental description of the recrystallization process. Explain why it is required and how it can be executed.An analyst wanted to separate an essential oil which is partially immiscible in water and a boiling point hogher than water. What is the best separation technique which can be emplyed in this case? Vacuum Distillation Steam Distillation Fractional Distillation Simple DistillationIf you are unsure as to which layer in the separatory funnel is aqueous when extracting an aqueous solution with an organic solvent, how could you settle the issue?