Uber Eats 12 Min Problem 21 of 27 Submit Draw the major product of this reaction. Ignore inorganic byproducts and the phthalic acid side-product. :N: K® (CH3)2CHCH2CH2CI Draw Phthalimide Intermediate NaOH (excess) વ્
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- In light of your answer to Problem 30-40, explain why a mixture of products occurs in the following reaction:Pls solve this question correctly in 5 min i will give u like for sure Balance the chemical equation of a reaction formed by the bromination of trans-cinnamic acid if we started with 0.3088 grams of trans cinnamic acid and 1mL of bromine. The product of this reaction is 2,3 - dibromo - 3- phenylpropanoic acidIn synthesizing primary (1⁰) amines by alkylation of NH3, explain how we can prevent the formation of 2⁰ and 3⁰ amines as by-products? You can give an example to help you in explaining but it is not required.
- What is the literature melting point of product the reaction between benzoyl chloride and excess ammonium hydroxide? 288-290 128-130 -1-2 197-199By watching this video, https://www.youtube.com/watch?v=lgX-7h-mEYw. What is the purpose of NaCl in the experiment? Will the same result be obtained if thereacting solution is not added with NaCl?Provide details about the reaction workup. 4,4'-DIBROMOBIPHENYL [Biphenyl, 4,4'-dibromo-] Submitted by Robert E. Buckles and Norris G. Wheeler1. Checked by R. S. Schreiber, Wm. Bradley Reid, Jr., and Robert W. Jackson. 1. Procedure In a 15-cm. evaporating dish is placed 15.4 g. (0.10 mole) of finely powdered biphenyl (Note 1). The dish is set on a porcelain rack in a 30-cm. desiccator with a 10-cm. evaporating dish under the rack containing 39 g. (12 ml., 0.24 mole) of bromine. The desiccator is closed, but a very small opening is provided for the escape of hydrogen bromide (Note 2). The biphenyl is left in contact with the bromine vapor for 8 hours (or overnight). The orange solid is then removed from the desiccator and allowed to stand in the air under a hood for at least 4 hours (Note 3). At this point, the product weighs about 30 g. and has a melting point in the neighborhood of 152°. The crude 4,4'-dibromobiphenyl is dissolved in 75 ml. of benzene, filtered, and cooled to 15°.…
- Describe how the product is purified. 4,4'-DIBROMOBIPHENYL [Biphenyl, 4,4'-dibromo-] Submitted by Robert E. Buckles and Norris G. Wheeler1. Checked by R. S. Schreiber, Wm. Bradley Reid, Jr., and Robert W. Jackson. 1. Procedure In a 15-cm. evaporating dish is placed 15.4 g. (0.10 mole) of finely powdered biphenyl (Note 1). The dish is set on a porcelain rack in a 30-cm. desiccator with a 10-cm. evaporating dish under the rack containing 39 g. (12 ml., 0.24 mole) of bromine. The desiccator is closed, but a very small opening is provided for the escape of hydrogen bromide (Note 2). The biphenyl is left in contact with the bromine vapor for 8 hours (or overnight). The orange solid is then removed from the desiccator and allowed to stand in the air under a hood for at least 4 hours (Note 3). At this point, the product weighs about 30 g. and has a melting point in the neighborhood of 152°. The crude 4,4'-dibromobiphenyl is dissolved in 75 ml. of benzene, filtered, and cooled to 15°. The…8. Liquid-liquid extraction. A progressive (thought) exercise. a) Benzoic acid, C 6 H 5 CO 2 H, is insoluble in water (< 1 w/w %). A suspension of solid benzoic acid in water is treated with enough 1.0 M NaOH (aq) to react with the acid. What balanced acid-base reaction takes place? b) Judging by the products in this reaction, do you expect the benzoic acid to dissolve in the resulting aqueous phase? yes, or no, and why. c) Now, make a biphasic mixture of diethyl ether and water (see #7, above). Use a separatory funnel, as in the illustration above. Which substance is the upper layer? ______________ d) Add solid benzoic acid to these layered solvents, and mix thoroughly. Does the benzoic acid dissolve, and if so, where should it be found? ____________________ e) Then, make the pH of the aqueous phase alkaline (basic) with NaOH until the pH = 11.00. Again, mix thoroughly. Where should the benzoic acid be found now? ____________________ f) Separate the two phases carefully, placing…6) During the Wittig reaction, you perform the reaction as follows:4-chlorobenzaldehyde (136 mg) and (carbethoxymethylene)triphenylphosphorane(323 mg) were placed in a 25 mL Erlenmeyer flask. The two solids were mixed vigorously for 15 min. The reaction mixture was diluted with hexanes (2.9 mL - density 0.661 g/mL) The by-product, triphenylphosphine oxide, was filtered off.0.085 g total of triphenyl phosphine was isolated. The filtrate was then evaporated to dryness to obtain 0.151 g of the desired product, pure ethyl-4-chlorocinnamate, as a colorless oil.What is the % effective mass yield of the reaction? (Your result should be reported as a % value and rounded to the nearest integer.
- 20- In the lab, you prepared phenylmagnesium bromide reagent using 0.81 g magnesium turnings (MW- 24.31 g/mol) and 3.6 mL bromobenzene (MW- 157.01 g/mol, density- 1.50 g/mL) in 15 mL diethyl ether (MW-74.12 g/mol, density - 0.713 g/mol). You then added 2.04 g benzophenone (182.217 g/mol) which was previously dissolved in 6.0 mL of diethyl ether solution to the phenylmagnesium bromide solution.What is the theoretical yield for triphenylcarbinol (MW- 260.33 g/mol) in grams? with the appropriate number of significant figures.Hi,I need help with this chemistry question, please and thank you From the reaction between pyrrolidine and 2-methylcyclohexanone in an acid medium, enamines I and II can be formed. Describe which of the two is formed preferably and explain why?I’m currently trying to write a lab report for the synthesis of dimolybdenum tetraacetate [Mo2(O2CCH3)4] from the reaction of molybdenum hexacarbonyl, Mo(CO)6 in glacial acetic acid and acetic anhydride under a nitrogen atmosphere, involving the difficult formation of a quadruple bond and requires high heat and long reaction time (approximately 20 hours). But these are the question I’m stumped on: 1. Why need the reaction be done under nitrogen? We also added dichlorobenzene and hexanes during the reaction. 2. Explain the purpose of dichlorobenzene and hexanes. 3. Why does the reaction take 20 hrs?