Q: What is deionized water? What kind of impurities are not removed by deionization?
A: Purified water does not contain any impurity. There are various methods for purification of water…
Q: What is inert gas regeneration method?
A: Inert gases form the 18th group of periodic table. Inert gases like Helium, Neon are used in…
Q: Although we will not use a Claisen adapter in our apparatus, what quality of vacuum distillation…
A: Vacuum distillation is a kind of distillation process based on the differences in the boiling points…
Q: Give one lysis buffer that is commonly used for western blotting experiments and include its…
A: 1. Answer - The RIPA buffer (lysis buffer) is one of the most commonly used buffers in used for…
Q: Which of the following solvent systems are not suitable for binary solvent recrystallization?
A: a) water and heptane
Q: Why should a piece of filter paper inside the developing chamber be moistened with the developing…
A:
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: Why mixture of solvents such as ethyl acetate with 5% acetic acid is used as a solvent/mobile phase…
A: TLC (Thin layer chromatography) is a technique to separate the components of mixture. TLC uses a…
Q: Why line extraction from a point cloud is needed ?
A: Planar structure extraction from point clouds is an important process in many applications.
Q: Suppose we start with 3.0g of contaminated benzoic acid. After recrystallisation we end up with 2.3g…
A: Given Mass of contaminated benzoic acid = 3.0 g Mass of pure benzoic acid = 2.3g
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: a) Discuss the effect of solvent polarity on Rf-values. b)Explain how the Rf (Retention…
A: Since you have posted two questions, we will solve first question for you. Please repost other…
Q: Why is methanol chosen as the solvent for recrystallization? What would happen if the student uses…
A: Most of the organic compound is dissolved in alcohol like methanol and ethanol . methanol is easy to…
Q: Describe briefly on each of the following sample preparation protocols: 1. Dissolve/filtration 2.…
A: Hi, as you have posted multiple subparts in a single question and have not mentioned which subparts…
Q: why would ethanol (solvent) be used in recrystalization?
A: Recrystallization is a process used to purify the solid substances by dissolving them in a liquid.…
Q: What is the reason for using as little ethanol as possible to dissolve the crude product before…
A: For recrystallization, it is recommended to use minimum solvent to support the goal of recovering…
Q: Why is it not necessary to dry the Erlenmeyer flask between each trial?
A:
Q: Of Aspirin, ethanol, acetaminophen, ethyl acetate, hexane, and water which could go undetected…
A: HPLC or high perfomance liquid chromatography is a usefull technique to separate and analyse…
Q: Explain melting point determination as a characterization technique.
A:
Q: 1. Which is a false statement regarding solid-phase synthesis?
A: A solid phase synthesis is a heterogeneous reaction technique in which a reagent reacts with the…
Q: Why sometimes derivatization is used in the sample preparation for GC-MS?
A: The role of derivatization in GC-MS is given below
Q: Why is it necessary to recrystallize the alum and to perform it in a well ventilated area?
A: It is method in which Non volatile organic solid can be purify, this process is also used in…
Q: In a liquid - liquid extraction, what is preferable? Three extractions with a small volume or one…
A: Liquid-liquid extraction is also known as solvent extraction or solvent partitioning. In this…
Q: Explain the difference between absorption and adsorption in natural dyes. Use sketches to clarify…
A: Please find your solution below : Absorption is the process in which absorbed material is uniformly…
Q: which would be the best extraction procedure to ensure thorough removal of a carboxylic acid…
A: When we get carboxylic acid as an by product in an organic layer ,it becomes important to remove it.
Q: Explain the function of using dichloromethane after the steam extraction of Eugenol. Also discuss if…
A: Answer - During the process, Eugenol is extracted from the distillate with dichloromethane and…
Q: What are some reasons why the melting point might be lower than the literature value? (Hint: Assume…
A: A pure compound generally melts over a range of temperature. If the melting point of the sample is…
Q: is mobile phase the eluting solvent?
A:
Q: We want to extract terpenoids from an aqueous sample by continuous liquid-liquid extraction. Which…
A: The solution is given below -
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: What experimental procedure can be utilized for the sulphonation of Benzene?
A: Given What experimental procedure can be utilized for the sulphonation of Benzene?
Q: Acetophenone is soluble in diethyl ether, isopropanol, and n-hexane. Identify and justify the most…
A: For UV-Vis characterization of a compound, the substance should be taken in such a solvent so that…
Q: Why do we use a salt bridge during calomel measurement
A:
Q: After acid-base extraction why is it important to wash organic layer at least once with pure water?
A: A question based on quantitative analysis, which is to be accomplished.
Q: What is the use of the glass rod in transferring liquid reagents?
A:
Q: steps of the mechanism of extraction and drying of ethyl acetate with caffeine and water.
A: Please note that there is a mistake in the question and the correct statement should be 'caffeine…
Q: Briefly, discuss reflux and why it is commonly used in organic chemistry.
A: Here a term 'reflux' is given.Generally it is used in organic chemistry. We have to discuss about…
Q: Explain why it is needed to filter the solvent before introducing it to the HPLC system
A: Basically there are following two reasons for using filtration during HPLC sample preparation are…
Q: 1.what data must be available when HPLC method is passed on 2.why eluents should be degassed
A: 1.data needed for HPLC: HPLC is High performance liquid chromatography. Chromatography: It is a…
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: Why is there a need to add concentrated H2SO4 to the centrifugate and evaporating almost to dryness…
A: There is a need to add concentrated (H2SO4) to the centrifugate and evaporating almost to dryness…
Q: palm oil with carcinogenic dyes
A: The adulteration of palm oil with many fat soluble azo dyes that are difficult to separate from the…
Q: 2) determine the identity of an unknown solid. Briefly explain why the experimental technique of…
A: The Temperature at which the solid state compound transform into liquid state without changing its…
Q: If insoluble impurities, e.g., dust, tissue, filter paper, etc., were mixed with the sample, how…
A: Insoluble impurities The term "insoluble impurities" refers to contaminants that settle or float on…
Q: Purpose of quantitative transfer in experiments.
A: The dissolution of a solute in a solvent based on its solubility rule provides a solution. If the…
Q: 1. Why does the solid need to be finely ground and then tightly packed in a melting point capillary…
A: The temperature at which the solid melts and starts converting into liquid is called as melting…
Q: Why is 95% alcohol a good solvent for extraction?
A: The substance which is present in lesser amount is termed as solute. The substance which is present…
Q: Explain the possible behaviour and extractability of these compounds using sample extraction…
A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…
Explain the working of fixed-bed carbon solvent recovery system.
Step by step
Solved in 2 steps
- Some procedures include the addition of sodium carbonate before liquid-liquid extraction. What is the purpose of this step?What is inert gas regeneration method?Propose an efficient separation and recovery scheme for a mixture of toluene, benzoic acid, andaniline. Consider that steam distillation is not an option.
- Chemistry i need to show me steps of the mechanism of extraction and drying of ethyl acetate with caffeine and water.Why is 95% alcohol a good solvent for extraction?Which of the three methods, (Use of Separatory Funnel, Decantation or Use of Pasteur Pipette) do you believe is most suitable for transferring large volumes of liquid mixtures and why?