Describe the technique of Re-crystallization?

Q: How to determine the difference between primary , secondary and tertiary alcohol in the laboratory

A:

Q: 20. What is the best method used to separate the components of the mixture of benzene, toluene, and…

A:

Q: What is the working principle of Water distiller?

A: Water distillers are mainly used for removing most of micro organisms and organic chemicals from…

Q: Explain the methods of preparations of the Decorative paints

A: Paint consists of pigment (used to give color), solvents ( make it easier to apply),  resins (help…

Q: Explain and describe the proper technique for preparing this

A: Molarity is the physical quantity used to represent the concentration of the solute in the solution.…

Q: What solvent would you use to differentiate compound A from compound B? Compound A Compound B…

A: The functional group in which the carbon atom of the carbonyl group is attached or bonded to minimum…

Q: Which of the following is NOT a distillation technique? Simple distillation O Density distillation…

A: Distillation is a technique in which the mixture of liquid can be separated.

Q: In the Breathalyzer test, blood alcohol is determined by reaction of the alcohol with potassium…

A: Given: Blood alcohol is found by reaction of alcohol with potassium dichromate.

Q: What are condensation reactions?

A: Solution- In condensation reaction when two or more molecules combine to form a larger molecule,…

Q: If crystal growth does not start on its own after the solution in the flask returns to room…

A: To initiate the crystal growth, the bottom of the flask is scratched gently it provides the…

Q: Explain

A: ✓Palm oil mill effluent (POME) is a wastewater generated from palm oil milling activities which…

Q: Suppose that 1.00 mL of isopentyl alcohol was reacted with excess acetic acid and that 1.00 g of…

A: Density of isopentyl alcohol = 0.81 g/cm3 1 cm3 = 1 mL

Q: Is distillation a good method for separating a mixture of heptane and 1-propanol?  Why or why not?

A: Distillation is separation technique used for separation  of liquids.

Q: Define crystallization process in sugar industry.

A: Crystallization of sugar:- Crystallization is defined as the (natural or artificial) process of…

Q: Describe how a cholesteric liquid crystal phase differs from a nematic phase?

A: The cholesteric liquid crystal phase differs from a nematic phase, which has to be described below.

Q: Filter paper should be moisten with water in preparation of spirit

A: False

Q: High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent.…

A: Let's discuss about the opaqueness of HDPE and transparent nature of LDPE according to the question.

Q: A sample consists of butyric acid, acetic acid and ethylene glycol. At a distilling temperature of…

A: Distillation is a chemical technique in which a mixture of two or more miscible liquids are…

Q: Fine-crystalline yellow powder is: A. Codeine B. Chinozol C. Ethylmorphine hydrochloride D.…

A: Codeine- It occurs as odourless colourless crystals or white crystalline powder. ***Chinozol is not…

Q: Methanol, CH3ОН, а colorless, CO Teletile

A: Given: The boiling point of Methanol =65oC The heat of Vaporization = 37.4 kJ/mol Temperature…

Q: 1. (1) Why fractions of higher boiling from crude oil (such as heavy gas oil) does not make a good…

A: More strongly the hydrocarbon molecules are attracted to each other ,the less they flow from one…

Q: Describe the formation and structure of polymers

A: Polymer : it is the substance which is made of a large number of similar units . when many monomeric…

Q: Which is true is selecting of a suitable solvent in crystallization? * The organic substance should…

A: Note: According to our guidelines we are supposed to answer only one question. Kindly repost other…

Q: A volatile liquid 1. evaporates readily 2. has a low vapor pressure 3. has a high boiling point 4.…

A: Matter that is able to easily flow from one place to another and occupies the shaped of container in…

Q: How do you identify the boiling point range of a distillate?

A: Boiling points are usually measured by recording the boiling point (or boiling range) on a…

Q: You are attempting to make a satuarted sucrose solution in 100mL of water. How are you able to…

A: Given: 100 mL of water and sucrose

Q: Sodium formate is a white solid. Draw an atomic/molecular level picture to represent solid sodium…

A: 1)

Q: What chemicals are removed during the distillation to form Crystal Violet? Plzzz ASAP

A: Answer is Water Ethanol N,N di methyl aniline And 100% separation is impossible so some

Q: A certain beer is said to contain 18% ethanol. 50.00 mL of beer was subjected to fractional…

A: In the beer there is 18% alcohol .  From that data we can say that , In 100 ml beer there should be…

Q: What physical property is used to determine what components will separate out during the process of…

A: Fractional Distillation  It is the process of separating the mixture into its component , the…

Q: 1. Why perform product stability?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is the driving force to crystallization?…

A: We have asked the driving force for crystallization in given question.

Q: Briefly explain the purpose of each item in the distillation set-up  a. Boiling chips –  b. DCM –…

A: Distillation is one of the separation techniques. It is used to separate the components from the…

Q: Write gypsum synthesis and combustion reactions.

A: Crude gypsum is used as a fluxing agent, fertilizer, filler in paper and textiles, and retarder in…

Q: Impure Compound X was found to have a melting point range of 106-114 oC. What do each of these…

A: The purpose of melting point experiment is to determine melting points of compound accurately. It is…

Q: Two reasons why this solvent is used for this reaction is it is safer to use, not volatile like…

A: Diels Alder reaction can be defined as a chemical reaction of a conjugated diene with a dienophile…

Q: in your own words, describe the properties of Sodium dichlorophenolindophenol

A: Sodium dichlorophenolindophenol is an organic molecule and is mostly used for the estimation of the…

Q: Describe how this "dried product" is often different from a crystallized product. (Describe the two…

A: Answer: Crystallization is the process of converting a liquid substance into its solid form.

Q: Define Solubility of ethers ?

A: Ethers are represented as R-O-R. It contains two alkyl chain joined together by an oxygen atom.…

Q: In a saturated solution of a salt in water, the rate of crystallization = the rate of dissolution…

A: saturated solution A solution in which no more solute can be added is called a saturated solution.

Q: What information would you need in order to predict the best solvent for glue ?

A:

Q: Explain what would happen in a distillation if a student did not add any boiling stones to the…

A: If u will not add boiling stone in your distillation flask the solution starts bumping resulting…