Q: The melting point of salicylic acid is higher than that of acetylsalicylic acid. Explain why this is…
A: The compounds given are salicylic acid and acetylsalicylic acid.
Q: Steam distillation can be used to extract essential oils from cloves. Which extraction technique…
A: Essential oils are created using two main methods of extraction – distillation and expression.…
Q: Brian forgot to close the end of his capillary tube when he was conducting the boiling point…
A: The correct option is 'a', a. Brian did a great job in making sure that the experiment worked. It is…
Q: When a photochromic spironyran is exposed to UV light, it forms an ionic form of isomer. In which…
A: When the spiropyran is kept in a polar solvent or in presence of UV radiations,, it is converted to…
Q: Question attached
A:
Q: The boiling point of 2-butanone (80 °C) is significantly higher than the boiling point of diethył…
A: Boiling point is the temperature at which the vapor pressure of a liquid becomes equal to the…
Q: Can octane and 1-octanol be separated using an aqueous extraction procedure? Explain why or why not.
A: The Octane and 1-octanol cannot be separated using an aqueous extraction procedure.
Q: Explain the problem
A: The solubility of compounds can be determined on the basis of their polarity. It uses the principle…
Q: 2. Look up and draw the structure of each of the following solvents: acetonitrile, hexane,…
A: Nonpolar and polar solvents
Q: Write the word “CORRECT” if the statement is TRUE. If the statement is FALSE, write the word/s that…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: mixture of n-heptane, tetrahydrofuran, 2-butanone, and n-propanol elutes in this order when using a…
A: According to the rule of solubility, like dissolves like. This means that polar solute is attracted…
Q: Indicate the expected result when the iodoform test is done on: a. Ethyl alcohol b. Isopropyl…
A:
Q: What specific impurities are removed by the ethanol and acetic acid in ethanol washes? Explain
A: Ethanol washes means washing the end product with ethanol. This procedure removes the impurities…
Q: how many hydrogen bond acceptors are there in pantoprazole?
A: If we consider any hydrogen bond, there consists a donor and an acceptor part. The donor part is the…
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: 4. Can you predict the melting points of naphthalene and 1-naphthol? Structures provided if noed be…
A: The structure of Naphthalene is
Q: A sample consists of butyric acid, acetic acid and ethylene glycol. At a distilling temperature of…
A: Boiling point of Butyric acid = 162 °CBoiling point of Acetic acid = 118 °CBoiling point of…
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: Is the separation 100% complete after evaporation process? Explain.
A: Evaporation is a process by which a compound changes its phase from liquid state to gaseous state…
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 type of deviation is shown by a mixture of ethanol and acetone? What type of azeotrope is…
A: Azeotrope is a mixture of two liquids having the same composition and have constant boiling points.…
Q: If my melting point range of my recrystallized materal is from 118-125 degrees Celsius, what does…
A: Since the melting point is in range of 118- 125°C . This range is large. Again we know that pure…
Q: n-Pentanol is an aliphatic alcohol with many properties similar to ethanol
A: For recrystallization the solvent used must shows following properties 1)The compound must be…
Q: Why is it bad to put too much water as the solvent when recrystillizing benzoic acid?
A: A question based on purification, which is to be accomplished.
Q: Explain why methanol is insoluble in hexane than in ethanol or water using its model
A: Hydrogen bond is defined as bond formed between hydrogen atom of one molecule and electronegative…
Q: 1. How can one get pure ethanol from the azeotropic mixture? (This extra process explains why…
A: Azeotrope are difficult to separate due to high molecular interaction. Their molecular…
Q: Explain this
A: If the two compounds are immiscible with each other then one of the the compound can be extracted…
Q: Does the Enalapril molecule follow Lipinskis rules? why or why not? H
A: Lipinski's rules: It is the set of rules that have to be obeyed by the molecule in order to consider…
Q: Why is it important to collect the distillate into a test-tube that is immersed in an ice-bath? To…
A:
Q: why is fractional distillation a better method of separating 1-chlorobutane and toluene than simple…
A: Simple distillation method is used for the separation of compound having 1 volatile compound. If…
Q: When taking a melting point, only a very small sample size is needed to go into the capillary. Too…
A: Melting point is the temperature at which the solid substance changes to the liquid state upon…
Q: Classify these solvents as either protic or aprotic solvents.
A: A protic solvent is a compound containing at least one hydrogen atom bonded to anelectronegative…
Q: Draw the structure of benzoic acid and look up for its literature melting point?
A: Benzoic acid is an organic compound having chemical formula C6H5COOH which is consist of a carboxyl…
Q: Q1. What are emulsions? Why do they form during extractions? How is their formation minimized
A: Note: According to our guidelines we are supposed to answer only first question.
Q: How many moles of monofunctional A must be added to a mixture of one mole of B2 and one mole of A3…
A:
Q: 3. If both water and your alkene products distill into your collection flask, why might you get two…
A: Answer - The correct option is (b) because methylcyclohexenes and water are immiscible Explanation…
Q: gaye H₂SO4 (cat.) H₂O reflux H₂SO4 (cat.) HO reflux
A:
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: CaCl melting point: 1.422 Fahrenheit C12H22011: (contains 8 H-bonds "hydrogen bonds"): melting point…
A:
Q: If we give same sample to three different students in the same lab, why the result of melting point…
A: Melting point is the temperature at which the solid substance melts and converted into liquid phase.…
Q: Which layer (aqueous or organic) will naphthalene partition into during the extraction process?…
A: Organic chemistry follow the rule of like dissolve like . Hence, polar compound dissolved in polar…
Q: Concentrated hcl has a specific gravity of 1.185 and is 36.5% (w/w) in HCl. Describe how 1.0 L of…
A:
Q: Write a full procedure to Recrystallize benzoic acid and Naphthalene.
A: Recrystallization is the process of the purification of solid substances. Any substance that needs…
Q: Explain in detail if propanol with water will deviate positively or negatively from ideal behaviour
A: Propanol is alcohol which means it has intramolecular hydrogen bonding and water also has…
Q: 1. Pure compounds have higher (and sharper) melting points than compounds that contain impurities.…
A: Melting point depends on the intermolecular forces of attraction to a greater extent. Pure crystal…
Q: (5) Hexanes and ethyl acetate are the two components used to modulate solvent composition. Draw the…
A: Introduction: Polarity depends on the number of polar bonds present in the molecule. The greater…
Q: The boiling point of butan-2-one (80 °C) is signicantly higher than the boiling point of diethyl…
A: Polar compounds have high melting and boiling point than slightly less polar or nonpolar compounds.
Q: Caused by the severe dehydration effect of formaldehyde on tissue A. fumigation B.…
A: Caused by the severe dehydration effect of formaldehyde on tissue A. fumigation B.…
Q: The distillate of a simple distillation is always enriched in the higher boiling compound True False
A: Answer
does 50:50 hexane-toulene or 25:75 hexane-toulene have higher boiling point?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Knowing that Pentane is a good solvent at room temperature for naphthalene, would it also bee a good recrystallizing solvent? Why or why not?how many hydrogen bond acceptors are there in pantoprazole?How do we keep relative supersaturation low by controlling temperature? temperature should be constant temperature should be fluctuating temperature should be lower temperature should be higher
- What is the strongest IMF in pure 2-octanone? I know it is a ketone and has some polarity due to this, but the carbon chain so long, I wonder if london dispersion forces are stronger?Which combination cannot be used as mobile phase in RPLC? A. Water-acetonitrile B. Acetonitrile-cyclopentane C. water-THF (tetrahydrofuran) D. Acetonitrile-THF (tetrahydrofuran)Indicate the expected result when the iodoform test is done on: a. Ethyl alcohol b. Isopropyl aclcohol c. t-Butyl alcohol d. Phenol
- Why is the boiling point of 2-bromobutane lower than that of 1-bromobutane. Your answer should go beyond the observation of structural differences.What specific impurities are removed by the ethanol and acetic acid in ethanol washes? Explain7 Ethanoic acid has a melting point of 17 °C, ethanamide has a melting point of 81 °C, and ethanal has a melting point of -125 °C. Rationalize the differences in melting point between these three compounds.
