Provide a catalytic cycle for the hydrogenation of ethylene using Vaska's Complex. H2 + H2C=CH2 H3CCH3 • Name all the steps. • Provide 3D structures of all species. PPha Ph3P
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- 1)Use the mechanism for the cobalt carbonyl hydride ( (HCo(CO)4 ) catalyzed hydroformylation of 1-hexene to illustrate how hexane can occur as a side product . 2)Outline how Fe(CO)5 can function as a catalyst for the water gas shift reaction ( CO + H2O ⇄ CO2 + H2 ) .Which of the following compound/s are correct in the given statements? 1.What compound/s will be able to get the change in the color of AlCl3 Crystal? If tert-butyl chloride is added in AlCl3. 2. Which compound will react in water under under light conditions with Br2? 3. Which compound will react in Kl under under dark conditions with I2?In which solvent, (CH3)2C=O or [(CH3)3C]2C=O, is NaCl more soluble? Explain.
- The cobalt(I) complex HCo(CO)4 can act as a catalyst for alkene isomerization. Show the detailed mechanism for the isomerization of trans-2-pentene into a mixture of 1-pentene, cis-2-pentene and trans-2-pentene.a sample was dissolved in water resulting in a clear colorless solution. Addition of HNO3 and AgNO3resulted in a wispy white ppt. Upon treatment with ammonia the white solid dissolved and when HNO3 was added the white solid reappeared. A new sample was prepared. To this sample HCl and cyclohexane were added. NaOCl was added and the sample was mixed. After waiting a few minutes, the sample was clear and colorless. A) HCl and BaCl2 were added resulting in a clear colorless solution. B) HNO3 and (NH4)2MoO4 were added resulting in a clear colorless solution. C) Acetic acid and Fe(NO3)3 were added resulting in a clear colorless solution. d) once a larger sample was prepared and sulfuric acid was added a noticeable vinegar odor was detected. what is the name of the unknown solution?What is the best reagent for obtaining cis alkene * Pn (Platinum) Ni(nickel) metallic sodium to liquid ammonia Quinoline impregnated Pt catalysts, barium su lfate in methanol nah
- (a) What is the product of the following reaction? What is the catalytically active Pd species, and how is it formed? Draw a catalytic cycle, explaining what type of reaction is occurring at each stage. Indicate the formal oxidation state of Pd for each intermediate in the catalytic cycle, state how many valence electrons each intermediate has, and indicate the geometry of each Pd complex. Why is LiCl necessary? OTf OMe + Me. SnBu3 cat. PdCl₂(PPh3)2 NEt3, LICI, THEprovide the major products, starting materials with the correct chemoselectivity, regioselectivity, and stereoselectivity. 1) H₂SO, HNO₂ 2) Zn HCI 3) NANO, HCI 4) NaCN 1) Mg /Ether 2) CulThe standard enthalpies of formation of ClO and ClO2 are101 and 102 kJ/mol, respectively., Calculate the overallenthalpy change for each step in the following catalyticcycle: What is the enthalpy change for the overall reaction thatresults from these two steps? ClO(g) + O3(g) ---->ClO2(g) + O2(g) ClO2(g) + O(g) ---->ClO(g) + O2(g)
- 5. Compound 7 can undergo isomerization upon photo or thermo stimulation. NH2 NH2 'N `R N. N. `R trans-7 cis-7 Draw the structure of the dimers formed between the different geometrical isomers of 7 in CHCI3. Also rank the stability of the different dimers with explanation.trans-Pt(py)2(Cl)2 reacts with PPh3 to form trans-Pt(py)2(Cl)(PPh3). This reaction proceeds through an intermediate with trigonal bipyramidal geometry around the Pt. What kind of mechanism is used?• 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.