why acetic acid used as solvent in analysis of riboflavin instead of deionized water? explain

Q: Why does deuterium add to C-1 rather than to C-4 in the preceding reaction? a. Why was DCl rather…

A: In general, the presence of conjugated diene undergoes addition readily because the cation…

Q: What can you conclude from the effect of added ZnO on the decomposition of formic acid?

A: The decomposition reaction of Formic acid produces carbon dioxide gas along with the expulsion of…

Q: 1. In part A, a solid precipitate is formed on adding sulfuric acid to p-aminobenzoic acid. What…

A:

Q: Why is acetylsalicylic acid crystal in appearance?

A: A question about crystallinity, which is to be accomplished.

Q: For the identification tests of amines and amides. What would be the Composition/Reagent used for:…

A: For identification test of amine  ⇒Hinsberg Test - 0.1 gm sample + 0.3 gm of benzene sulfonyl…

Q: Why does benozic acid dissolve in toulene but not hexane?

A: Benzoic acid dissolve in toluene, but it does not dissolve in hexane.

Q: Give a reason why reduction reaction (with H2,pt) of nitrobenzene to alanine is so important

A:

Q: How to do a structural equation for the addition of pyridinium tribromide to trans-cinnamic acid?…

A: In this question, we want to write structural equation for Reaction between trans-cinnamic acid and…

Q: If you suspect that the product Nerolin contained unreacted β-naphthol (Hint: acid/base), describe…

A: Beta-napthol is an aromatic alcohol or a phenol. As with aromatic alcohols/phenols the hydrogen in…

Q: write a reaction of grinard reagent ethylmagnesium bromide with acetamide

A: Given : Ethyl magnesium bromide and acetamide.  To find : reaction between ethyl magnesium bromide…

Q: Explain the experimental procedure of the laboratory preparation of the synthesis of fluorobenzene…

A: Preparation of fluorobenzene from Aniline:

Q: In an aromatic Nitration reaction, what is the electrophile that is produced by the reaction of…

A: In an aromatic Nitration reaction, electrophile that is produced by the reaction of sulfuric and…

Q: 3. Why was DMSO used as the solvent in the experiment?

A: Synthesis of nerolin is an example of Williamson ether synthesis. DMSO, HMPA and alcohols that…

Q: Write polymerization reaction scheme for Polymerization of styrene with benzoyl peroxide as…

A:

Q: 1. Melting point technique 2. Recrystallization technique| 3. Extraction (understand how to separate…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: Write a note on HNO, availability, preparation and reaction with aniline.

A: HNO2 Availability :  Nitrous acid is a weak monobasic acid. It is very unstable. It is only…

Q: Explain why the addition of a small amount of glycerol to the polymerization mixture gives a stiffer…

A: The addition of a small amount of glycerol to the polymerization mixture gives a stiffer urethane…

Q: Why is water used for liquid-liquid extractions? Select all that apply. Pourquoi l'eau est utilisée…

A: Liquid-liquid extraction is a method to separate compounds or metal complexes based on their…

Q: Explain the experimental procedure of the laboratory preparation of the synthesis of alizarin from…

A: Interpretation-  To explain the experimental procedure of the laboratory preparation of the…

Q: The primary reason for the addition of anhydrous magnesium sulfate to the organic solvent layer…

A: The primary reason for the addition of anhydrous magnesium sulfate to the organic solvent layer…

Q: Why is Acetic Anhydride soluble in sulfuric acid?

A: In this question, we will discuss about why Acetic anhydride soluble in sulfuric acid.  You can see…

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: Is iodoform test specific for methyl ketones? What should be present in the structure of an organic…

A:

Q: Which of the following compounds was tested positively with lodine solution? * Salicylic acid…

A: For, Synthesised aspirin, salicylic acid, and benzylic acid, the iodine test is negative. The iodine…

Q: if 54.9% of ethenol is in the distillate what would be the sloute and the solvent in the mixture?…

A: Given that, % of ethanol = 54.9% then,

Q: for a qualitative analysis of alydehydes and ketones, we used the iodoform test, tollens test,…

A:

Q: Explain the experimental procedure of the laboratory preparation of the synthesis of fluorobenzene…

A:

Q: Phenol vs acetylene in a Esterification Test where they react with acetic anhydride, which among the…

A: Here we have to say that amongst phenol and acetylene which react faster with acetic anhydride-

Q: Which of the following is suitable to use when forming grignard reagent

A: Grignard reagent has general formula of R/Ar-MgX , where R is an alkyl group and Ar is an aromatic…

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: Why do apple and banana shoe discoloration when acid was applied?

A: Answer - Apples and banana contain an enzyme called polyphenol oxidase or tyrosinase. we  will…

Q: What is procedures in extraction of lycopene from watermelon.

A: Lycopene from watermelon can be extracted as follows:

Q: For the electrophilic aromatic iodination of vanillin 0.00348 moles of vanillin were used along with…

A: The main reaction takes place between vanillin and KI while ozone is used to accelerate the reaction…

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: Write out the reaction that takes place  between  the acetylsalicylic acid and sodium  bicarbonate…

A: Acetyl salicyclic acid is also known as aspirin. Aspirin is used to treat pain, fever and it also…

Q: What is the purpose of using bleach in the iodoform test? Please Explain.

A: In the Iodoform test is Sodium hypoiodite, NaOI is used that is similar to NaOCl.

Q: Write the reaction between Phthalic Anhydride and Resorcinol to produce Fluorescein

A: Fluorescein is produced by the reaction of Phthalic Anhydride and Resorcinol. The reaction proceeds…

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 are the intermolecular forces present in acetone?

A: Note: As per company policy we are supposed to attempt first question only , please repost other…

Q: For the oxidation of side chain benzene derivatives, the oxidizing agent frequently used is  KMnO4.…

A: Percentage yield of a product is more if only one product is formed. If a mixture of products are…

Q: Why is the ether layer containing naphthalene washed with saturated sodium chloride after completely…

A: Given scenario is,,  ether layer containing naphthalene washed with saturated sodium chloride after…

Q: Why condensed tannins are not hydrolysed by HCl?

A: Tannins are phenolic compounds of high molecular weight  capable of precipitation of animal proteins…

Q: Think about what kind of compound can be obtained when D2O is mixed in ethyl benzoate.

A:

Q: Explain the principles or what happens in the oxidation of alkyl side chain derivatives of benzene…

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Q: Explain why the preparation of Nylon-6,10 occurs under milder conditions when decanediocdiacid…

A: Nylon 6,10 is a semicrystalline polyamide. It contains 16 carbon atoms in their structure. It is…

Q: Why does the nylon form at the interface of sebacoyl chloride and hexamethylene diamine?

A: We have to discuss the reason as to why nylon is formed at the interface of sebacoyl chloride and…