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 .
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A: Role of acid in Cyclohexene synthesis is not only limited to form carbocation, i.e., as acid. But…
Q: why is 12 M HCl added to the reaction mixture after the Williamson Ether Synthesis r
A: Williamson ether synthesis is used to prepare both symmetrical and unsymmetrical ether. When sodium…
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.
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A: Those species which are weak base are good leaving group because they are poor electron donors. If…
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A: To remove the sulfuric acid, which acts as a catalyst in the reaction, and excess acetic acid, water…
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A: Grignard reaction is an organometallic chemical reaction alkyl, aryl, vinyl or aryl magnesium…
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 quick formation of a white precipitate upon treating a compound with saturated sodium…
A: Reactant primary alkyl chloride or primary alkyl bromide Reagent saturated sodium iodide in acetone…
Q: 2. (a) (E)- or trans-9-(2-phenylethenyl)anthracene and (Z)- or cis- 9-(2-phenylethenyl)anthracene…
A:
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: Why is anhydrous ether the preferred solvent during the synthesis of the Grignard reagent reaction…
A: We have to discuss the reason of use the anhydrous ether is the preferred solvent during the…
Q: Why is anhydrous diethyl ether an important solvent to use in a grignard chemical reaction?
A:
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 product would you obtain if you evaporated the water from the NaOH layer prior to acidifying…
A: Ether layer contains acetanilide (C6H5NHCOCH3) and p-tert-butylphenol (p-C4H9-C6H4OH). On the…
Q: 3. After addition of benzophenone, 6 M HCI is added to the Grignard reaction mixture. Why? Show the…
A: Answer:
Q: Why is it necessary to exclude moisture in the Grignard reaction? Be specific. What happens to the…
A: Alkyl halides in presence of Mg metal and dry ether form alkyl magnesium halides (RMgX) which are…
Q: Name a typical organic solvent that would not be appropriate to use in the preparation of a Grignard…
A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction.
Q: Explain Reaction of Grignard Reagents with Carbon Dioxide ?
A: Grignard reagent It is also known as grignard compound. It has generic formula R-Mg-X. X is halogen.…
Q: MgBr |. 2.
A:
Q: What was the electrophile in the Friedel-Craft alkylation of 1,4-dimethoxylbenzene with tert-butanol…
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Q: Write a balanced equation for the reaction of benzoic acid with hydroxide ion. Why is it necessary…
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A: Recrystallization is the process in which small grains of the compound is formed in a new crystal…
Q: 4. Why is it unwise to begin addition of the solution of carbonyl compound to the Grignard reagent…
A: Organic reactions are the chemical reactions in which certain organic compounds involve in chemical…
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Q: Why is CH2Cl2 added to the collected distillate? Isolation of eugenol experiment
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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: Separating t-butyl chloride from the reaction mixture. What is the purpose of washing with the…
A: Given information: Separating t-butyl chloride from the reaction mixture.
Q: Why did the demonstrator add sodium sulfate (Na2SO4) to the dichloromethane layer after he had…
A: it is explained as:
Q: Why does phenol or aniline react with benzene diatonic chloride during a coupling reaction, but…
A:
Q: Why is eugenol steam-distilled rather than purified by simple distillation?
A: Eugenol, also called clove oil, is an aromatic oil extracted from cloves that is used widely as a…
Q: Why is benzene diazonium chloride not stored and is used immediately after its preparation?
A:
Q: How does washing with 10% sodium bicarbonate help to isolate ethyl cinnamate in each synthesis…
A: To answer how does washing with 10% sodium bicarbonate help to isolate ethyl cinnamate in each…
Q: What is the ratio of benzaldehyde to thiamine hydrochloride used in this reaction? Why are we not…
A: Given: mass of Thiamine hydrochloride = 750 mg moles of benzaldehyde = 44 mmol Concentration of NaOH…
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Q: Discuss the use of anhydrous diethyl ether as the solvent of choice for carrying out a Grignard…
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Q: Predict the product of the reaction of methanal with Grignard reagent.
A: The grignard reaction is an organometallic reaction in which alkyl magnesium halides (grignard…
Q: 3. Why is it unwise to allow the solution of the Grignard reagent to remain exposed to air for an…
A: The reactive nature of Grignard’s reagent does not allow the Grignard reagent to stay in nature and…
Q: Explain how these Grignard reagents would react with molecules of their own kind to “self-destruct.”
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Q: n a hurry to complete the synthesis, Bill used 6M HCl, also on the reagent shelf, instead of the 6M…
A: Introduction : Since you have asked multiple questions questions, we will solve the first question…
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Q: What is the purpose of the grignard reaction, preparation of triphenylcarbinol experiment.
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Q: How should a reaction involving the reduction of a ketone with sodium borohydride be worked up if it…
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Q: Why is the methyl benzoate extracted with a Na2CO3 solution and why is MgSO4 added before the final…
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- Why is it possible to use solvent-grade diethyl ether in the work-up procedure, whereas the more expensive anhydrous form must be used to prepare the Grignard reagent?Why was it important to keep the dioxolane derivative (an acetal) cold and dry after it was formed?why is potassium hydroxide added to the reaction mixture for Williamson Ether Synthesis?
- How does washing with 10% sodium bicarbonate help to isolate ethyl cinnamate in each synthesis reaction? As part of your answer show the reaction of aqueous sodium bicarbonate with cinnamic acid and with cinnamoyl chloride (remembering that cinnamoyl chloride hydrolyzes to cinnamic acid in water).Why are the starting materials (Triphenyl Phosphine and Benzyl Chloride) soluble in xylene but the product (phosphonium salt) is not soluble in xylene?why it is important to keep water out of the acid-catalysed esterification of octanoic acid with 1-propanol reaction? What would happen if water got into the reaction mixture?
- Explain why quick formation of a white precipitate upon treating a compound with saturated sodium iodide in acetone serves as evidence that the compound is a primary alkyl chloride or primary alkyl bromide.Why is eugenol steam-distilled rather than purified by simple distillation?Write the reaction involved in Ferrox Test. a. What is the species responsible? b. Why is phenol negative in Ferrox Test? Based on the theoretical result, what is the order of reactivity of primary, secondary, and tertiary alcohols in the Lucas Test? a. Lucas Reagent contains ZnCl2 in HCl. What is the role of ZnCl2?
- What is the ratio of benzaldehyde to thiamine hydrochloride used in this reaction? Why are we not using a full equivalent of this reagent?Briefly explain why diethyl ether is the solvent of choice for Grignard reactions.The preparation of Wittig reagents requires a strong base like butyllithium. Sodium methoxide, used in this reaction to prepare the Horner-Emmons-Wittig reagent, is a weaker base than butyllithium. Suggest a reason why this weaker base is sufficient to prepare the Horner-Emmons-Wittig reagent.