3. When separating hexanes and heptane (both organic liquids), which would be the most suitable means of separation? a. recrystallization Your answer: b. steam distillation c. fractional distillation d. simple distillation

3. When separating hexanes and heptane (both organic liquids), which would be the most suitable means of separation? a. recrystallization Your answer: b. steam distillation c. fractional distillation d. simple distillation

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter87: Steam Distillation

Section: Chapter Questions

Problem 3P

See similar textbooks

Related questions

Q: 3. How does steam facilitate the distillation of essential oils? 4. Discuss some applications of…

A: 3. Steam distillation is very common method to extract essential oils. During the process the steam…

Q: Discuss the purity of Acetanilide before and after crystallization based on melting points. Discuss…

A: The chemical reaction involves the combination of two or more reactants in an appropriate solvent…

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: Indicate the proper sequence of steps required to prepare a buret for use in this experiment. It may…

A: The steps of the preparation given are,

Q: Give at least three characteristics of chloroform that make it a good extracting solvent for the…

A: In nature alkaloids are found either as acidic salts or free bases.

Q: An unknown sample is found to be soluble in water. The aqueous solution was found to change blue…

A: Given , The unknown sample is soluble in water. The aqueous solution changes blue litmus paper to…

Q: In this lab you will utilize the separation method called extraction to "extract" limonene from the…

A: In this lab you will utilize the separation method called extraction to "extract" limonene from the…

Q: Why is methanol chosen as the solvent for recrystallization? A. Because it can easily be boiled…

A: Solvent used in recrystallization should have below properties: At high temperatures, it should be…

Q: What is the purpose of employing recrystallization in the synthesis of aspirin experiment? Explain…

A: Since you have posted a question with various sub-parts, we will solve three sub-parts for you. To…

Q: Why is an aqueous cream and procaine solution unstable and subject to cracking

Q: During fractional distillation, why must we kept the distillate at cool/ low temperature?

A: Interpretation: During fractional distillation, why that kept the distillate at cool/ low…

Q: Some de-icing compositions include dyes or colored compounds called indicators. Why?

A: The process of removing snow or ice from the surfaces is called de-icing. This can be done through…

Q: Arrange the ff. into the correct order of recrystallization: a. prepare hot solution b. slow…

A: Concept - Recrystallization is a technique used to purify solid compounds. Solids tend to be more…

Q: Which of the ff is not true about recrystallization? a. acetanalide recrystallized only at cold…

A: Recrystallization is done to purify the compounds so as to get the purest form.

Q: Which of these is NOT a criteria for selecting a good solvent for recrystallization? (A) Solvent…

A: Recrystallization is a process to purify compounds. It is based on the solubility. The principle is…

Q: When choosing a recrystallization solvent, what properties must be considered? a. Its boiling…

A: The solvent should boil in the range 50–120°C. Impurities should either be insoluble in the hot…

Q: Clearly explains how vapor pressure of water-eugenol system allows clove oil to be distilled

A: Simple distillation is the process in which two or more liquids are get separated with the simple…

Q: When we do an organic chemistry experiment, what is the explanation for a melting point below what…

A: A melting point below the literature value for a compound indicates the presence of impurities in…

Q: Will a polar solvent, such as water, cause a difference in how the pigments are separated? Explain…

A: Polar solvents are those in which the dipoles exist. This dipole forms when the compound contains,…

Q: What are in the distillate collected from the distillation?

A: (1) A receiver

Q: At what step during the recrystallization would a soluble impurity be removed

A: Recrystallization : It is a method in which solids are purified on the basis of their different…

Q: If the aspirin crystals were not completely dried before the melting point was determined, what…

A: Freezing point depression or melting point depression occurs when a solute (or impurity) is added to…

Q: To purify benzil crystals and get rid of any leftover traces of benzoin, what would be the best…

Q: Assume there is confusion as to the nature of a liquid that is being distilled off from 1,4…

Q: Why does β-naphthol dissolve in a basic medium?

A: Ionic compounds are easily solvated by water molecules due to ion-dipole interaction and thus they…

Q: Why are hexane, cyclohexane, and toluene soluble in ligroin?

A: Ligroin is a volatile organic solvent obtained from petroleum. "Like dissolves like" is the thumb…

Q: What properties does recrystallization rely on to be an effective method of purification? A) The…

A: Explanation :- A recrystallization solvent should not dissolve the substance to be purified at room…

Q: How would you recrystallize a mixture of Benzoic acid and 2-Naphthol? Discuss the choice of solvent…

Q: Cinnamaldehyde is a naturally occurring compound present in cinnamon. Cinnamaldehyde can be…

Q: Why should you wash your crystals in ice cold solvent after recrystallization? a. Ice is polar, so…

Q: Draw a FIVE STEP Schematic diagram of the procedure on how to separate pure crystals of CuSO4 , Alum…

A: given- CuSO4 , Alum and Benzoic acid

Q: Question: How to get rid of colored impurities in the recrystallization process? Explain that in…

A: Recrystallization is a chemical purification process. By dissolving all impurities and a compound in…

Q: Fill in the blanks: The ratio of the solubilities of an extract in two different solvents during…

A: This can be solved by using Nernst distribution law.

Q: surface contamination after cooling the acetanilide in the recrystallization experiment

Q: 2. What two techniques are used to facilitate the aspirin crystallization? 3. Why is it necessary to…

A: Since your question has multiple parts, we will solve first three parts for you. If you want…

Q: In glucose estimation using Benedict's Reagent, justify the necessity of continuously heating the…

Q: Which of the following would LOWER the purity of the distillate collected from the rubbing alcohol…

A: General chemistry

Q: What is the reason for using as little ethanol as possible to dissolve the crude product (aspirin)…

A: Recrystallization is a process which is used to purify the compounds. The principle behind…

Q: Explain through a laboratory experiment: How is recrystallization of Acetone possible? Can it or how…

A: Recrystallization of acetone is almost not possible.

Q: Calculate the saponification value.

Q: What is different about steam distillation

Q: Why do impure chemicals have lowering melting points? Can recrystallization be used to purify all…

Q: 1. Basically, when is glass stoppered buret used? ______________________________…

A: Given, 1. Basically, when is glass stoppered buret used? ______________________________…

Q: The following are solvents used in Biochemistry Laboratory. Lipids are expected to dissolve in?…

A: Lipids are insoluble in polar solvents like water but highly soluble in non polar or weakly polar…

Q: In the isolation of caffeine from coffee experiment, the dichloromethane solution was washed with…

A: The reason for dichloromethane solution was washed with strong base in the isolation of caffeine.

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: a) What is capillary electrophoresis used for? b) Describe electrophoresis. c) Describe…

A: Since you have posted multipart of question as per the guidelines i have solved first three subparts…

Q: A fractional distillation of this mixture is carried out: what is the nature of the recovered…

A: Total mass of sample = 80 g Mass of water = 60 g Mass of nitric acid = 80-60 = 20 g number of moles…

Q: for benzoic acid: a.) If a benzoic acid sample had colored impurities, the solvent to choose would…

A: Decolorizing carbon provide a large surface area to which large colored molecules may become…

Question

3. When separating hexanes and heptane (both organic liquids), which would be
the most suitable means of separation?
a. recrystallization
b. steam distillation
Your answer:
c. fractional distillation
d. simple distillation

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Final answer

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Sample Preparation in Analytical Chemistry

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Purification of benzoic acid 1. What is the purpose of washing the crystal in the filter paper with water? 2. How recrystallization affects the theoretical yield of sample? Explain.
What are emulsions? Why do they form during extractions? How is the formation of an emulsion minimized?
In the isolation of eugenol using steam distilation, what will happen if one use instead fractional distillation than steam distillation thank u
2) What’s the principle of extraction and recrystallization ? 2) What’s the best method to separate the compound? Why
for benzoic acid: a.) If a benzoic acid sample had colored impurities, the solvent to choose would be? b.) To eliminate colored impurities, what use should be made?
1. Which of the following may cause an increase in the calculated percent recovery of the recrystallized benzoic acid? a.Adding too much solvent in the receiving flask during hot filtrationb.Using cold water in rinsing the residue from the flask during hot filtration c.Using fluted filter paper during hot filtrationd.Not adding animal charcoal to the solution2. Which set of reagents can confirm that sulfate ions are present in two unkown solutions? a.1.0 M NaOH and excess NH3 b.0.1 M Ba(NO3)2 and 0.01 M KMnO4 c.1.0 M NaOH and 0.1 M K2Zn3[Fe(CN)6]2d.0.1 M Ba(NO3)2 and 1.0 M CH3COOH
4. In a distillation of a mixture of acetone (bp. 56°C and dichloromethane bp. 40°C), a fraction averaging 48°C was collected that never exhibited a plateau temperature. Show using temperature as an indicator of purity what the % of acetone is in this fraction. (Hint: this is similar to the question of refractive index in the last assignment) Please answer very soon will give rating surely
Which of the ff is not true about recrystallization? a. acetanalide recrystallized only at cold temp b. congo red stain is removed by using animal charcoal c. acetanalide can be dissolved in hot h20
One of the components of nutmeg is an organic compound, Trimiristin, A. To extract this compound from nutmeg why we need to choose as a solvent, ether, and not acetone?B. Is it possible to choose water as an exhaustive solvent of Trimiristin?
Neel’s unknown solid 1) dissolves in hot ethanol, 2) is essentially insoluble in hexane, and 3) is insoluble in cold water, but sparingly soluble in warm water. Outline a recrystallization procedure.
the eugenol and water distillate you collect is apt to be cloudy, particularly the first part of this distillate. Explain why.
What are emulsions? Why do they form during extractions? How is their formation minimized?