Q: Explain the principle of working and operation of Dye Penetration Technique Inspection with neat…
A:
Q: 4. Why do we have to wash the ether layer using 1 N HCl during the workup?
A: Answer is given below
Q: Classify attached solvent as protic or aprotic.
A: A protic solvent is a solvent that has a H atom attached to an oxygen, Nitrogen or fluoride.
Q: What makes chlorosulfonic acid a good electrophile?
A: The compound given is chlorosulfonic acid i.e HSO3Cl.
Q: Besides from petroleum ether, what other organic solvents are used for the recrystallization of…
A: Recrystallization, also known as fractional crystallization, is a procedure for purifying an impure…
Q: Usually, several different purification techniques are required to isolate a pure natural product…
A: Interpretation - To tell about what criteria we should use in choosing each step in natural product…
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: What is the chemical composition of the nitrating mixture?
A: Answer :- Nitrating mixture is mixture of concentrated nitric acid and concentrated sulphuric acid…
Q: 1. Write the chemical reaction showing how the electrophile for the nitration of methyl benzoate was…
A: Aromatic substituition is electrophilic, due to high density in benzenering.Benzene ring is one of…
Q: what chemical reactions should not be performed on Merrifield polystyrene resin?
A: In the given problem we need to speculate what kind of reactions should not be performed on…
Q: lumefantrine synthesis
A: Lumefantrine is an antimalarial agent which helps to treat acute malaria.
Q: each of your extractions uses methylene chloride as the organic solvent. will your organic layer be…
A: Separatory funnel helps in separating the two immiscible solvents. The two layers are formed by…
Q: Aqueous hydrochloric acid was used after the sodium bicarbonate and sodium hydroxide extractions in…
A: The given extraction of organic compounds- Carboxylic acid, Phenol, amine and ketone is carried out…
Q: Synthetic method for Preparation of a powder of homo
A: A powder of homogeneous mixtures is composed up of two components adhered to each other to form…
Q: Why must the stopper be removed from the separatory funnel before the lower layer is removed?…
A: It is important during solvent extraction, to remove stopper before the removal of lower layer of…
Q: Explain why diester A is now often used as a plasticizer in place of dibutyl phthalate
A:
Q: What is the purpose of drying the organic layer with a drying agent like anhydrous magnesium…
A: In separation of organic compound we use two solvent
Q: What is the strength of the NaOH solution in saponification process?
A: Strength of NaoH in esterification reaction is
Q: Pretend that your acetaminophen product was not a solid, and you couldn’t collect it using vacuum…
A:
Q: What is the purpose of adding anhydrous sodium sulfate to the organic layer after extraction? * it…
A: The question is based on the concept of organic chemistry. we have to explain the reason of adding…
Q: method of preparation Benadryl itching cream
A: Benadryl itching cream mainly contains antihistamines whose route of administration is topical due…
Q: Divinyl benzene is used when preparing the resin to obtain: 1-3D Interlaced Synthesis 2- Increased…
A:
Q: Name the water purified above separating technique
A: WATER PURIFICATION The process of purifying water involves taking out unwanted chemicals, biological…
Q: Explain why 5% acetic acid is used as the solvent in the analysis of riboflavin and not deionized…
A: Riboflavin is vitamin B2, which helps for growth and good health. It helps to break carbohydrates,…
Q: Explain Retrosynthetic Analysis ?
A: Organic chemistry is about synthesis of the compounds. From simpler organic compounds to complex…
Q: What is procedures in extraction of lycopene from watermelon.
A: Lycopene from watermelon can be extracted as follows:
Q: When would you use recrystallization technique as opposed to extraction? What is the relative…
A: Recrystallization is often used as a final step after other separation methods such as extraction,…
Q: Which is the decolorizing agent used in acid fast staining? Mixture of 5% HCl and 95% NaOH…
A: This differential staining techniques which was developed by Ziehl and later on modified by Neelsen.…
Q: how the polyesters is synthesied using reactive distillation
A: Solution: Reactive distillation is an efficient and economic method for the completion of…
Q: Complete the reaction involving lithium diorganocopper (Gilman) reagents
A: A new C-C bond is formed between atoms when an alkyl halide is treated with Gilman reagent or…
Q: Show all the arrow-push mechanism including the PROPER reagents.
A: Given that : We have to show all the arrow-push mechanism including the PROPER reagents :
Q: What is the purpose of extracting coffee three times with dichloromethane? Why not 5 or 6 times?
A: Caffeine is a derivative of purine which consists of three specific functional groups. Thee groups…
Q: Write a short note on how to perform the Piotrowski's test. Make sure to mention the reagents…
A: Piotrowski's test: It is the test that is used to detect the peptide bond in a chemical compound…
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: What would happen if the solvent level was above that of the dye spots on the paper at the start of…
A: Thin layer chromatography is a technique that is used for the separation of dissolved mixtures on…
Q: Show how to bring about each conversion using a lithium diorganocopper reagent.
A: Using lithium di organocopper reagent, synthesize the above product.
Q: Why 5% acetic acid was used as the solvent in the analysis of riboflavin solution and not deionized…
A: Spectrophotometric analysis is radiation-based analysis. In this analysis, specific wavelength…
Q: What is the hydrotreating reaction of this compound?
A:
Q: Why do you think there is a need to soak the crucible with 10% nitric acid for preparation in dry…
A: An analytical technique in which the sample's composition is being evaluated and the sample remains…
Q: What diene and dienophiles are used to make the attached compounds?
A:
Q: Among the three solvents used in the separation of spinach pigments which produced the most…
A: There are different types of pigments present in the green plants like spinach. Each pigment shows a…
Q: How the reduction of disulfides to thiols could be done.
A: The reduction of disulfides to thiols could be done has to be determined.
Q: Why should you leave the crucible cover ajar while heating the sample?
A: In chemistry it is needed to heat a hygroscopic ionic compound to get the water out, and it says to…
Q: Think about what kind of compound can be obtained when D2O is mixed in ethyl benzoate.
A:
Q: Complete these reactions involving lithium diorganocopper (Gilman) reagents
A: Gilman reagent The reagent which has the form R2CuLi, where R is alkyl group. In the reaction,…
Q: Crude benzylidene acetal product is purified using filtration and crystallization. How do these…
A: A question based on purification technique, which is to be accomplished.
What is the suitable method of removal of unreacted methacrylic acid from the resin product?
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- SYNTHESIS OF ESTERS VIA NUCLEOPHILIC ACYL SUBSTITUTION Write the chemical equation involved in the reaction between the excess acid and NaHCO3. Explain why NaHCO3 is preferred over NaOH for the neutralization of excess acid. How was excess alcohol eliminated from the crude product.how the polyesters is synthesied using reactive distillationPreparation of the Benzoic acid, write down the steps, reagents, and conditions. How to purify benzoic acid? Give the final product
- Best synthetic polymers for highly corrosive products. Explain why did you choose thatA compound of molecular formula C5H10O forms a yellow precipitate with 2,4-dinitrophenylhydrazine reagent and a yellow precipitate with reagents for the iodoform test. a) Draw the structural formulae b) Name the two (2) compounds that fit these tests.The substance provided can be prepared by a nucleophilic addition reaction between an aldehydeor ketone and nucleophile. Identify the reactants from which it was prepared. If the substance is an acetal, identify the carbonyl compound and the alcohol; if it is an imine or enamine, identify the carbonyl compound and the amine.
- What is the balanced chemical equation for the nitration of benzaldehyde with nitric acid/sulfuric acid?5 moles of ethanol, 6 moles of ethanoic acid, 6 moles of ethyl ethanoate and 4 moles of water were mixed together in a separatory funnel at 15 ° C. After equilibration was established, only 4 moles of ethanoic acid were found in the funnel. a) Write the equation for the reaction between ethanol and ethanoic acid to form ethyl ethanoate and water. b) How many moles of ethanol, ethyl ethanoate and water are present in the equilibrium mixture? d) What is the value of the equilibrium constant for this reaction?what is the purpose of Dichlorocarbene Addition to an Alkene?