Although we will not use a Claisen adapter in our apparatus, what quality of vacuum distillation  does it mitigate?

Q: What would likely happen if a hot saturated solution were filtered by vacuum filtration using a…

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Q: What is the purpose of the wash with water using separatory finnel? Bicarbonate?

A: The aqueous solution of the sodium bicarbonate having formula NaHCO3 and sodium carbonate having…

Q: Why should you not recrystallize a compound too quickly?

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Q: How to increase thw yield of steam distillation?

A: We have to write how to increase the yield of steam distillation.

Q: Based on the readings and lecture on emulsions, and the procedures for this lab answer the following…

A: Given dispersed phase Air Oil Water Egg Dispersed phase =…

Q: What is the benefit of using fluted filter paper instead of not folding it?

A: “Fluted “ filter paper (LEFT) is used when we wish to separate a liquid and a solid, keeping the…

Q: g) You have to wash the crystals with ice- cold solvent. Would you use ethanol as the washing…

A: The question is based on the concept of recrystallization technique. It involves  separating…

Q: When finished performing a vacuum distillation it is important to?

A: Vaccum distillation is a type of distillation allows the purification of compounds not readily…

Q: What is each cycle of a simple distillation called?     Theoretical plate     Distillate…

A: Simple distillation is process of separation.

Q: This is about Beer-Lambert’s Law and UV-vis Spectroscopy: 1. How do you make a calibration graph?…

A:

Q: 5. Let's say naphthoic acid was isolated by vacuum filtration from our procedure explained in the…

A: Both methods are useful for removing moisture. Vaccum drying is most effective and gentle drying…

Q: In a distillation of a mixture of acetone (bp. 56°C and dichloromethane bp. 40°C), a fraction…

A: Percentage of acetone in  the fraction depends on distance of average temperature from the boiling…

Q: tate which modification of a “normal” recrystallization you would use in each case. Try and be as…

A: a) Given that compound A is readily soluble in acetone and water. To recrystallize compound A use…

Q: What is the purpose of drying the remaining solid after extraction under a heat lamp?

A: The process, in which water and other solvent is evaporated from the solid-liquid mixture to form…

Q: Can you recrystallize these two components with 95% ethanol? Is it possible?   If so, make a flow…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: Make a schematic diagram of the recrystallization procedure.

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Q: Why is catalytic dewaxing not considered as a separation process?

A: Since Catalytic dewaxing involves breaking and making bonds, so it is usually referred to as a…

Q: Why is steam distillation and not fraction distillation used to extract limonene from citrus peels.

A: Steam distillation: It is a purifying technique which includes distilling of water with volatile and…

Q: 3.Why is it dangerous to perform distillation on a closed (airtight) system?

A: The process distillation involves the conversion of a liquid into vapour that is subsequently…

Q: Impure 1,4-dimethoxybenzene was dissolved in methanol and then immediately  placed in an ice-water…

A: Some time a compound need to crystalline to get in the pure form.

Q: While recrystallizing, what should you do if you have solid particles that don’t dissolve even after…

A: Recrystallization is the process by which non volatile organic solids are purified. In this method…

Q: Why should you use a minimum amount of water to rinse the conical vial while transferring the…

A: This is a process of the collection of the crude and pure acetaminophen crystals, that are formed by…

Q: Organic Chemistry Laboratory purposes: a. Why is it important to vent the separatory funnel…

A: Separating funnel is required in laboratory so as to separate two immiscible liquids. In this layers…

Q: why is it necessary to turn the separatory funnel upside down

A: It is a glassware used to separate two layer namely aqueous layer and organic layer.  It contains…

Q: When a solution of 1.00 g of X in 100 cm3 of water was shaken with 10 cm3 of ether, 0.80 g of X was…

A: Formula used w = W KD×VKD×V+ vn  Where KD = distribution coefficient V = Volume of water = 100 cm3 =…

Q: Melting point: 98-105 Percent yield: 60% did you successfully make pure product? Explain.

A: A question based on IR spectroscopy, which is to be accomplished.

Q: Illustrate the process - Using a separatory funnel for extraction ?

A: Process of extraction using separatory funnel : a. Spot the separatory channel in an iron ring.…

Q: what are the clinical significance of (a) sodium nitroprusside test (b) Molisch Test

A: (a)  the sodium nitroprusside test is used to determine the presence of ketoacids in the blood and…

Q: What do the melting points of the 6 samples tell you about their relative purities?

A: Melting point is the temperature at which equilibrium exist between solid and liquid phases. The…

Q: |CH,CH,l,Cu-Li THF solvent [+] DIBAL-H, cold THF solvent

A: These two reactions are quite efficient to provide ketone and aldehyde from their corresponding acid…

Q: Why was n-octanol chosen as a surrogate for natural organic phases? Why not another solvent such as…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: Which of the three methods, (Use of Separatory Funnel, Decantation or Use of Pasteur Pipette) do you…

A: Given : Separators funnel, Decantation or use of Pasteur pipette.  Transferring large volumes of…

Q: Nitroethylene, H,C-CHNO, is a sensitive compound that must be prepared with great care. Atempted…

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Q: What is the use of the glass rod in transferring liquid reagents?

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Q: Give the equation for boiling point correction and explain the meaning of each variable. Why do we…

A: As we know Boiling point is the temperature at which a liquid start to boil.

Q: 20. What is the problem with using a solvent with a very high boiling recrystallization? |Your…

A: Recrystallization is a technique of separating and purifying the compound from impurities. it is…

Q: Should you use distilled or deionized water for each of the following processes? a. If you’re…

A: Here we have two types of water i.e. tap faucet water and deionised water(double distilled).

Q: Identify one water-soluble impurity that could be removed by washing the recrystallized dulcin with…

A: Dulcin is an artificial sweetener that is nearly 200 times more sweet than sucrose.  Dulcin is…

Q: 5. For the same solid compound as the question above, if the 1 mm sample was heated at 60° per…

A: (4) Heating rate = Temperature/time Heating rate = 200 oC/1 oC/min Heating rate = 200 min   (5) 1 mm…

Q: Why is it required to add drying agent like sodium sulphate to the organic layer which may contain…

A: In an organic solution, there are often traces of water present because water is slightly soluble in…

Q: Explain briefly a proper technique to use burette

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: 105 100 75 0 1 2 3 4 5 67 89 10 11 12 13 14 15 16 17 18 19 20 Volume distillate collected (mL) 1.…

A: A question based on analytical separations that is to be accomplished.

Q: Draw a five-step Schematic diagram of the procedure on how to separate pure crystals of CuSO4 , Alum…

A: Answer -  CuSO4 - Copper(II) sulfate, also known as copper sulphate, are the inorganic compounds…

Q: BRIEFLY explain why steam distillation can be used to purify or isolate temperature-sensitive…

A: A question based on analytical separation that is to be accomplished.

Q: The method of extraction for Roman chamomile is: Choose one answer. a. cold-press extraction b.…

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Q: Under what conditions can a good separation be achieved with a simple distillation?

A: Simple distillation is a method of separating two compounds from a mixture on the basis of their…

Q: Coarse Dispersion What will be the results after you reconstitued a cefixime 60 ml a powder for…

A: A question based on colloidal solution, which is to be accomplished.

Q: What do you think would happen to your recrystallization solution if you did not use a pre- heated…

A: Re-crystallization process is a process in which the compounds which are not soluble in cold solvent…