Write a balanced equation for the reaction of benzoic acid with hydroxide ion. Why is it necessary to extract the ether layer with sodium hydroxide?

Q: In the synthesis of dibenzalacetone, what is the purpose of swirling the flask for 20 mins? It makes…

A: Dibenzalacetone is prepared By cross Aldol condensation  Reaction .

Q: 4. Why do we have to wash the ether layer using 1 N HCl during the workup?

A: Answer is given below

Q: Why is it necessary to store the prepared lysates in a very low temperature?

A: necessasity to store the prepared lysates in a very low temperature.

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: Aqueous sodium bicarbonate was used to wash the crude n-butyl bromide.a. What was the purpose of…

A: Crude n-butyl bromide is washed by sodium bicarbonate in the final step of synthesis.

Q: In the preparation of sulfanilamide, why was aqueous sodium bicarbonate, rather than aqueous sodium…

A: Sulfanilamide is commonly prepared through the acetanilide route treated with chlorosulfonic acid,…

Q: Why phenolphthalein cannot show any colour in pure water media?

A: Given: Phenolphthalein does not show any color change in pure water.

Q: How can we check that there is no more vanillin left in the organic layer after it has been…

A: Vanilin is an organic compound.   It can extracted from the lignin waste and then can be separated…

Q: How can the Eugenol content be separated from the alkaline solution?

A: Eugenol also known as clove oil. This oil is extracted from cloves and is used to treat toothache,…

Q: Explain why it is possible to separate a mixture of p-nitrobenzoic acid and ethyl phenyl ether…

A: We are given a mixture of p-nitrobenzoic acid and ethyl phenyl ether, and we have to separate this…

Q: Why reflux is used in this hydrolysis of the sodium benzoate to form benzoic acid?

A: Introduction: First we will synthesize benzoic acid by protonating sodium benzoate with hydrochloric…

Q: In the Iodination of Acetone, Why were the reagents equilibrated in water bath before mixing?

A: In iodination reactions iodine are introduced into a molecule. The iodination reaction of acetone…

Q: is the purpose of adding HCI in propanol to the ether solution containing bupropion? Select all that…

A:

Q: Why are the starting materials (Triphenyl Phosphine and Benzyl Chloride) soluble in xylene but the…

A: According to the solubility rule, like dissolve like , polar/ionic solvents dissolve polar/ionic…

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: what is the purpose of saturated sodium bicarbonate solution does during the purification of…

A: We have to tell the purpose of saturated sodium bicarbonate solution does during the purification of…

Q: What is the purpose of grinding the cloves before the steam distillation? The isolation of eugenol…

A: the purpose of grinding the cloves before the steam distillation is to get more extract from…

Q: A student dissolved a mixture of benzoic acid (C6H5CO₂H), phenol (C6H5OH) and 1,4 dimethoxybenzene…

A:

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: Give two reasons why a water bath can and must be used during the recrystallisation during the…

A:

Q: For extraction with ethyl-4-aminobenzoate and naphthalene using dichloromethane as the solvent, how…

A: The explanation is given below-

Q: What is the theoretical yield and limiting reagent for the reaction of benzophenone with sodium…

A:

Q: Compare the solubilities of Bis(pyridine)iodine nitrate in chloroform and in ether.

A: Since we know that polar like to dissolve with polar and we know that ether is a polar solvent and…

Q: What is phenolphthalein and why is it required in this experiment?

A:

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

A:

Q: extraction

A: Dear student,this question is related to the organic chemistry.

Q: 1) Calculate the volume of the concentrated sulfuric acid required. 2) What precautions are required…

A: Above equation is necessary for calculate the volume of concentrat H2SO4

Q: Acid-base extraction :benzoic acid, p-nitroaniline and azobenzene in dichloromethane.  1.why is…

A: 1) Usually anhydrous sodium sulfate is used in the acid-base extraction as an inert drying agent.…

Q: Why is the mixture extracted with sodium bicarbonate? Give an equation and explain its relevance.

A: Extraction is a chemical technique used for the separation of a substance from a matrix. The three…

Q: Show the reaction mechanisms in converting benzophenone to benzopinacol to benzopinacolone. Why must…

A: Benzophenone when reacted with isopropyl alcohol in presence of light forms benzopinacol.…

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

A: Lycopene from watermelon can be extracted as follows:

Q: What is the purpose of the filter paper moistened with ammoniacal silver nitrate solution in the…

A: The purpose of the filter paper soaked with ammoniacal silver nitrate solution in the Acrolein test…

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: Why is benzene diazonium chloride not stored and is used immediately after its preparation?

A:

Q: Purification of benzoic acid 1. What is the purpose of washing the crystal in the filter paper with…

A: 1) Answer: Benzoic acid is prepared from toluene industrially.  Toluene is react with cl2 gas under…

Q: What is the literature value of the melting range of:   Crystallized acetanilide vs Crude…

A: Comparing the melting point of recrystallized acetanilide and pure acetanilide revealed little to no…

Q: In addition to the normal dangers in using concentrated hydrochloric acid, what additional dangers…

A: Mixing of ice with HCl can be explosive and release dangerous fumes.

Q: Write the reaction of p-nitroaniline with 2-naphthole.

A: The reaction of p-nitroaniline with 2-naphthol has to be written.

Q: Why is it important to use a clean and dry round bottom flask in the synthesis of acetanilide from…

A: The chemical reaction that is a synthesis of acetanilide from acetic anhydride and aniline occurs in…

Q: What is the principle involved on how a simple distillation can isolate the eugenol from cloves?

A: Principle: The principle of steam distillation is based on the fact that two immiscible liquids will…

Q: Aqueous sodium bicarbonate was used to wash the crude t-pentyl chloride.a. What was the purpose of…

A: (a)

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: Define Separation of benzoic acid and cyclohexanol by an extractionprocedure ?

A: Solvent used : Ethyl acetate Wash used to dissolve benzoic acid : NaOH Add water to this mixture of…

Q: Why is the reaction mixture extracted with sodium bicarbonate? Give an equation and explain its…

A:

Q: Use the space provided below to draw a flow chart showing how you could separate a mixture…

A: The flow chart for the extraction of given compounds has been shown below:

Q: Propose a method to separate a mixture containing phenol, benzoic acid, naphthalene, and…

A: The given 4 compound can be separated using acid base extraction  Acid base extraction is used to…

Q: Why is it easier to remove excess acetic acid from the products than excess isopentyl alcohol?

A: The given statement is, It is easier to remove excess acetic acid from the products than excess…