What are the advantages of using a reflux set-up in synthesis reactions that involve heating?

Q: Write down the products that will occur when you extract HBr from 2-bromo-3-methyl butane in basic…

A: Alkyl halide in presence of base undergoes E2 - elimination. The product formed from…

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: Why should we Study Elimination Reactions?

A: There are many types type of organic reactions: Addition reactions. Elimination reactions.…

Q: what would be the implications if the volume reduction is skipped in the recrystallization

A: Recrystallization is a purification technique often employed in the labs. it is based on the…

Q: Given data from the scale up synthesis of diethyl acetamidobenzylmalonate (Week 14 Content Area),…

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Q: After extracting NaOH two times from ether, does the amount of precipitate after adding HCl in both…

A: The acid impurity is removed from the ether (organic layer) using NaOH which converts the insoluble…

Q: What is the purpose of the following? b) Adding H2SO4 to the methyl benzoate in the nitration…

A: Introduction: Nitration reaction is a chemical process to introduce nitro group into an organic…

Q: What is the major difference between catalytic reduction and non-catalylic reduction techniques?

A: A catalyst is a substance which helps in reaching the desired product quicker.It increases the rate…

Q: Can you list the possible sources of error that can affect the yield of a Grignard reaction followed…

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Q: Chemistry why cant 99% ethanol be obtained from aqueous ethanol by simple distilation? Can it be…

A: The mixture of ethanol and water forms an azeotropic mixture, which is also known as a constant…

Q: Why is it necessary to keep all materials dry in Grignard reactions?

A: The Grignard reactions are used for the alcohol synthesis, which involves the addition of…

Q: The melting point for purified 9-fluroenone product is 62-75. What does that say about the purity of…

A: The melting point is a characteristic physical property of a solid. The temperature at which a solid…

Q: What is the role of Sodium metal in Lassaigne's extraction?

A: For preparing Lassaigne's extraction, Chemical compound is fused in presence of sodium metal in…

Q: The von pechmann reaction is a condensation reaction. What is the byproduct of any condensation…

A: Von Pechmann reaction is used to synthesize coumarin derivatives by the reaction of phenols with…

Q: 25. Extraction: benzoic acid- sodium sulfate mixture. Fill in the flow chart with the necessary…

A: This method of separation is based upon difference in solubilities of the components of the mixture.…

Q: After the recrystallization of triphenylmethanol, the product of the Grignard reaction, considering…

A: Grignard reagent- it is organomagnesium halide. General  formula is  RMgX Where-X is halogen and R-…

Q: For the successful synthesis of triphenylmethanol , 0.05 moles of methyl benzoate would require…

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Q: 3. When butanoic acid (7.0 mL) is dissolved in methanol (20 mL) and heated with a catalytic amount…

A: Volume of Butanoic acid = 7.0 mL Volume of methanol = 20.0 mL Volume of methyl butanoate = 6.5 mL

Q: Describe the steps involved in the synthesis and the role of each step. Each step should clearly…

A: Friedel craft alkylation is an alkylation process in presence of a Lewis base ALCl3. PCC is an…

Q: 1. From 17M glacial acetic acid, how would you perform serial dilution to prepare 1.0 M, 0.50 M, and…

A: From 17M Glacial acetic acid solution we want to create 1000 mL of 1.0 M solution. M1V1 = M2V2…

Q: 1. Which is a false statement regarding solid-phase synthesis? (a) It simplifies removal of solvents…

A: We know that it is difficult to separate soluble reagents as they remain as impurities and give…

Q: Calculate the theoretical yield for diphenylmethanol. Show your calculations.  2. Calculate the %…

A: From the literature,melting point of diphenylmethanol is 64-67oC % error = |experimental value -…

Q: For a strong acid with a strong base neutralization reaction, does the reactant 1 : reactant 2 :…

A: Some of strong acid + strong base reaction are: (i). HCl + NaOH →NaCl + H2O (ii). H2SO4 + NaOH…

Q: Mg metal + 6M HCl No reaction Readily dissolved with H2 gases evolved Partially dissolved with the…

A: Magnesium metal reacts with hydrochloric acid to give magnesium chloride and release of hydrogen…

Q: please answer the question based on the information below  Why is toluene used as the solvent for…

A: The toluene is used as solvent for recrystalization for o- chlorobenzoic acid, detail is given…

Q: 5. It is not a good idea to wash the product (II) with water, since dichloromethane was the solvent…

A: We know according to solubility rules i.e like dissolve in like. Hence polar compound are soluble in…

Q: 1. Name three needed characteristics for an indicator reaction. 2. Name one advantage and one…

A: An indicator depends on its acid strength i.e. pH range where the color of the indicator changes…

Q: Draw the right structures of the compounds in each step of an extraction experiment. NH2 он H,C…

A: All the three compounds are soluble in ether. Extraction of ether solution of these three compounds…

Q: The question is:    Consider a mixture containing 0.5 benzil and 0.05 biphenyl. Your task is to…

A: Extraction:It is a process used for the separation of a substance of interest mixed with others.…

Q: Which of the following would be an optimal choice for a solvent extraction diluent and why?  For the…

A: Reason for correction option:

Q: 1. Why is it important to maintain equivalent proportions of reagents in this reaction?

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Q: Concentrated sulphuric acid is used in this experiment to O help the crystal growth of…

A: Here we have to choose correct option about why concentrated H2SO4 used in above experiment and in…

Q: Briefly explain why it is necessary to recrystallize during a synthesis.

A: Recrystallization is the method during which the matter is separated from its impurities by…

Q: c-CH3 -CH3 C-OH C-CH3 CH3-C-OH C-H Salicylic acid (C7H603) Acetic anhydride Acetylsalicylic acid (C…

A: From the reaction it is clear that one mole of salicylic acid reacts with one mole of acetic…

Q: Usually the aqueous layer is extracted multiple times with organic. This is more common during a…

A: Extraction is the first stage of purification after a reaction ends. It involves the removal of…

Q: Draw the organic product of the following reaction. CH3 CH212, Zn/Cu CH3C=CH2

A: Simmon-smith reaction involves the cyclopropanation of olefins (alkenes) in the presence of…

Q: In shake and bake reactions, why might it be beneficial if one of the precursors is volatile?

A: Introduction: Shake and bake is a method to produce methamphetamine drug. As the name suggest, it is…

Q: What impurities could affect our melting point determination? product mixture is not completely dry…

A: When we will determine the melting point of the Product then Product should be completely dry so…

Q: Calculate the molecular weight from the titration data. What does that suggest about how many nitro…

A: Nitration reaction in a aromatic compound is a electrophilic substitution reaction. Nitro group is a…

Q: Choose all that apply. In Experiment 4, we use a mixture of 50% water and 50% isopropyl alcohol as…

A: As we know "Like dissolve like". The polar solute can be dissolved in polar solvent and non-polar…

Q: General procedure A mixture of 4-hydroxycoumarin (1 mmol), aromatic aldehyde (1 mmol), methyl…

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Q: Why is the refluxing time required for the synthesis of methyl salicylate is quite long?

A: Methyl salicylate is prepared using the following reaction:

Q: Acid-base extraction :benzoic acid, p-nitroaniline and azobenzene dissolved in dichloromethane…

A: Each of a broad class of chemical compounds in which one or more carbon atoms are covalently bound…

Q: why is the temperature cooled to 100degree celcius in the reaction of benzil and 1,3dipenhyl acetone…

A: The mechanism involved in the reaction between benzil and 1,3-diphenylacetone is given by

Q: steps of the mechanism of extraction and drying of ethyl acetate with caffeine and water.

A: Please note that there is a mistake in the question and the correct statement should be  'caffeine…

Q: Which layer (aqueous or organic) will naphthalene partition into during the extraction process?…

A: Organic chemistry follow the rule of like dissolve like . Hence,  polar compound dissolved in polar…

Q: describes the structure formed from the FTIR results above and relates it to the lignin and…

A: A question based on IR spectroscopy that is to be accomplished.

Q: 1-Bromobutane was hydrolysed by an aqueous sodium hydroxide (NaOH) solution.…

A: At first, we need to plot the concentration versus time.

Q: Outline a separation scheme for isolating pure isopentyl acetate from the reaction mixture.

A: Preparation of Isopentyl acetate is done by the reaction of isopentyl alcohol and acetic acid in…

Q: 4. In a hydrolysis reaction, 1-chlorobutane (9 mL) gives 1-butanol (7 mL); what is the per cent…

A: • We know that    22.4 L of volume = 1 moleGiven,1-chlorobutane →  1-butanol. Volume of 1-…