• 1. The HCo(CO)4 complex can catalyze the isomerization of pure cis-2-butene to a mixture of cis-2-butene, trans-2-butene, and 1-butene. Propose a mechanism. Carefully show the process using wedges and dashes to indicate stereochemistry of each intermediate.
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- Why cis-Ru(II)Cl2(DMSO)4 reacts with pyridine, et cetera, to give substitution of the DMSO but not the chloride ligands, but trans-Ru(II)Cl2(py)4 react with suitable Na+ and K+ salts in aqueous pyridine to afford chloride-substituted derivatives. write the reactions equations.Write all the isomers of [PtCl(CO)(PMe3)(C2H4)]+ and use the trans directing effect of ligands to suggest the reaction pathways to synthesize the above isomers from [PtCl4] 2-Chemistry Assuming that the reaction of E,E-2,4-hexadien-1-ol with maleic anhydride falls in the“normal electron demand” classification, illustrate the molecular orbitals involved in this reaction and how they will react.
- For each of the following mixtures of reactants, give (i) a plausible chemical equation and (ii) structurefor the organometallic product, and (iii) general reason for the course of the reaction: (a)methyllithium and W(CO)6, (b) Co2(CO)8 and AlBr3.In an experiment, triphenylmethanol is prepared using the Grignard reaction. Reaction of bromobenzene with magnesium in ether produces phenylmagnesium bromide. This Grignard reagent then reacts with methyl benzoate to produce the corresponding alkoxide. Reaction of the alkoxide with aqueous acid then produces the alcohol. Give a plausible, three dimensional structure for the complex RMgBr-2(C2H5)2O. How do you think the ether molecules are bonded to the Grignard reagent?outer-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)6]3+ + [IrCl6]3- inner-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)5Cl]2+ + [IrCl5(OH2)]2- a) Please draw the sequence of reactions that leads to the products on the inner-sphere redox mechanism. Be sure to note the lability or interness of each complex based upon their dn configuration. b) The outer-sphere mechanism has a fairly large rate constant (ca. 109 M-1 s-1) which means that there must be a very small activation barrier for this reaction. If that is true, what conclusions can we draw about the bond lengths in the reduced and oxidized forms of the Cr and Ir complexes?
- show the reaction mechanism formation of Co(III) acetylacetonate from CoCO3 dissolved in acetylacetone, ammonia and 2ml of acetylacetonate with 10% aqueous hydrogen peroxide. show the arrangement of the ligand around the complex. Discuss the truth of the following statement. Explain why it is true or false Every SN1 reaction produces racemic mixtures in the productsWhich of the following reaction coordinate diagrams represents SN1 and E1 reactions? A B C D
- 1.) Provide the correct answers in the given statement with the given compounds in the image. A. In separate test tubes, tert-butyl chloride in AlCl3 was added. Which compound/s will yield a change in the color of the AlCl3 crystal? B. Which compound/s will react with Br2 in water under light conditions? C. Which compound/s will react with I2 in KI under dark conditions?Chemistry Give the products of the reaction of 1 mole of 2-methy1-1,3-pentadiene with 1 mole of HBr. Whichproduct(s) will predominate if the reaction is under kinetic control? Which products) will predominateif the reaction is under thermodynamic control?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?