EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
6th Edition
ISBN: 9781305687875
Author: Gilbert
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 4.4, Problem 4E
Interpretation Introduction
Interpretation:Efficiency of packed fractional distillation column is more than that of unpacked column for separation of two closed boiling liquids should be determined.
Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than
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Chapter 4 Solutions
EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
Ch. 4.2 - Prob. 1ECh. 4.2 - Prob. 2ECh. 4.2 - Prob. 3ECh. 4.2 - Prob. 4ECh. 4.2 - Prob. 5ECh. 4.2 - Prob. 6ECh. 4.2 - Prob. 7ECh. 4.2 - Prob. 8ECh. 4.2 - Prob. 9ECh. 4.3 - Prob. 1E
Ch. 4.3 - Prob. 2ECh. 4.3 - Prob. 3ECh. 4.3 - Prob. 4ECh. 4.3 - Prob. 5ECh. 4.3 - Prob. 6ECh. 4.3 - Prob. 7ECh. 4.3 - Prob. 8ECh. 4.4 - Prob. 1ECh. 4.4 - Prob. 2ECh. 4.4 - Prob. 3ECh. 4.4 - Prob. 4ECh. 4.4 - Prob. 5ECh. 4.4 - Prob. 6ECh. 4.4 - Prob. 7ECh. 4.4 - Prob. 8ECh. 4.4 - Prob. 9ECh. 4.4 - Prob. 11ECh. 4.4 - Prob. 12ECh. 4.4 - Prob. 13ECh. 4.4 - Prob. 14ECh. 4.6 - Prob. 1ECh. 4.6 - Prob. 2ECh. 4.6 - Prob. 3ECh. 4.6 - Prob. 4ECh. 4.6 - Prob. 5ECh. 4.6 - Prob. 6ECh. 4.6 - Prob. 7ECh. 4.6 - Prob. 8ECh. 4.6 - Prob. 9E
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- What limitations are encountered in the apolication of sublimation as a general method of purification?arrow_forwardThe melting-point capillary of a white crystalline substance is left to cool. The same capillary shows a substantially higher melting point of 145°C. Repeated recrystallization produces sharp melting points of about 114°C. Explain the behavior of a cooled and remelted sample.arrow_forwardBriefly explain how slow cooling contributes to the formation of pure crystals during recrystallization.arrow_forward
- What specifically occurs when a liquid mixture is distilled? O ) Components of a solid mixture are separated by differences in melting points 2) Components of a solid mixture are separated by differences in boiling points 3) Components of a liquid mixture are separated by differences in boiling points 4) Components of a liquid mixture are separated by differences in melting pointsarrow_forwardWhen performing a recrystallization of an impure solid, why is it important to allow the heated solution to cool slowly? Group of answer choices For the molecules of the pure solid to arrange in organized crystal lattices. To encourage solubility. To avoid the need for ice. To trap particles in the crystal lattice.arrow_forwardHeating a solid until it passes directly from the solid phase into the gaseous phase. Separating a liquid from an insoluble solid sediment by carefully pouring the liquid from the solid without disturbing the solid. The process of vapor returning to the solid phase without a liquid phase in between. Heating a mixture to vaporize a volatile liquid component to make the remaining component dry. Separating a solid from a liquid using a porous material, such as paper, charcoal, or sand, as a filter. Using a solvent to selectively dissolve one or more components from a solid mixture. Answer Bank extraction filtration decantation deposition sublimation evaporationarrow_forward
- 5. Why does slow distillation result in better separation of two liquids than fast distillation?arrow_forwardSuppose you start with a liquid mixture of 60% nitrogen and 40% oxygen. Describe what happens as the temperature of this mixture increases. Be sure to give the temperatures and compositions at which boiling begins and ends.arrow_forward2. a) How could you calculate a water pressure above a 1M NaCl solution (salt in water)? Could you explain what the meaning of your formula? What would be the boiling temperature of such solution at a normal external pressure? b) How could you separate components by distillation? Explain on a phase diagram.arrow_forward
- Research on the process of desalination with the use of distillation. Write how vapor-pressure lowering is utilized and draw a simple illustration on how the process undergoes.arrow_forward1. An organic student did an experiment extracting benzoic acid from a mixture of other organic substances. Other analyses of the obtained sample confirmed the presence of benzoic acid. The student also measured the melting point of the white solid, 117.4-121.6 oC. The literature mp of benzoic acid is 122.3oC. What can you conclude about the sample? Select one. Group of answer choices The sample of benzoic acid contains soluble impurities. The student obtained a good yield of benzoic acid. The sample of benzoic acid contains insoluble impurities. The student obtained pure benzoic acid from the extraction. The student obtained a poor yield of benzoic acid. 2. Which phenomenon are sometimes confused with melting during mp analysis? Select all that apply. Group of answer choices decomposition cracking shaking sagging/shrinking sweating solidifying 3. Study the bond types in the compound shown. Select the type(s) of intramolecular force(s) you predict the substance to exhibit. Select all…arrow_forward1. Which is more efficient for separating the components of a liquid mixture of a liquid mixture, simple or fractional distillation? Why? 2. Explain (in 1 – 3 sentences) how distillation works in separating simple mixtures.arrow_forward
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