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- 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?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.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 acid
- Give the name/s only (structures not required) of the product for the reaction of (i) A and (ii) B with the reagents listed below. Your answers should be given using A1 -A10 and B1-B10 as indicators.Eg. the product for your first reaction should be stated as A1 = name of product etc. b2h6/h202 n-bromosuccinimide kmno4/oh-In 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.Given: Mass spec for 4-acetylbiphenyl. Knowing that 196 m/z is the major product, how would you assign 181 m/z and 152 m/z? (i've also attached a picture of the reaction scheme)
- please provide the machanisms of 1a, 1e, 1fHi,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?An organic lab student carried out the reaction of methylmagnesium iodide with acetone(CH3COCH3), followed by hydrolysis. During the distillation to isolate the product, she forgot to mark the vials she usedto collect the fractions. She turned in a product of formula C4H10O that boiled at 35 °C. The IR spectrum showed onlya weak O¬H stretch around 3300 cm-1, and the mass spectrum showed a base peak at m>z 59. The NMR spectrumshowed a quartet (J = 7 Hz) of area 2 at d 3.5 and a triplet (J = 7 Hz) of area 3 at d 1.3. Propose a structure for thisproduct, explain how it corresponds to the observed spectra, and suggest how the student isolated this compound.
- Give answer ASAP Thanks What is the role of 10% ammonium hydroxide, sodium hydroxide, and 2 M and 6 M HCl in the synthesis of Pentaamminechlorocobalt(III) chloride derived from Chloropentamine Cobalt (III) Chloride?Organotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(CzHs)3). 3SnCl4 + 4Al(C2H5)3 → 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.160 L of SnCl4 (d= 2.226 g/mL) was treated with 0.346 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? If 0.257L of tetraethylstannane (d= 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?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…