
2) Identify the products of the following reactions, and give the electron count and oxidation state...
2) Identify the products of the following reactions, and give the electron count and oxidation state of the metal in the reactant and product: a) PH2 Oxidative Addition CIPRhcCÓ + CH, P b) HzÇ PPhz *= Ph3P- 1,1-insertion - Re- PPh, PhP CO PPh3 fa os B-elimination CH2 Reductive elimination CH3 Ph3P
2) Identify the products of the following reactions, and give the electron count and oxidation state of the metal in the reactant and product: PHE C R - co + CHE Oxidative Addition PHY HEÇ PPhg Php-Reco 1,1-insertion PP, PhyP Co PPhg CIOs CH2 B-elimination Reductive elimination CH3 PnP
Please give a detailed explanation.
18.15 The Wilkinson catalyst chlorotris(triphenylphosphine)rhodium(I), CIRh(PPha), brings about the catalytic hydrogenation of an alkene in homogeneous solution: R R CIRh(PPh3)3 C=C + H - RCH CHR (18.41) HH (a) Using the following mechanistic steps as your guide, draw structures of the transition-metal complexes involved in each step. Give the electron count and the metal oxidation state at each step. 1. oxidative addition of H, to the catalyst 2. ligand substitution of one PPhz by the...
UESTION 1 Consider the following five transition metal complexes A - E: PPhz CO CO Cl В PPh3 CO Cl/ CH CH CH 2 Ph2P 2 143 CO CO CH a) Assign electron count and formal oxidation states to each of the five complexes b) Which of the complexes (if any) are likely to undergo the following types of reaction? In each case, give the main product expected (i)Oxidative addition (ii)1,2 insertion ("alkene" insertion) (iii) Reductive elimination
4. Determine the metal oxidation state, d electron count, and total electron count for the following compounds: a. Cp2TiCl2 b. [Cp2Co]+ c. [Mo(N2)2(dmpe)2] d. [ReO2(CO)4]+ ZEZ Ph2 Ph2 L PINTIMO Mome * Re nel ZEZ- Ph = phenyl
7. Write balance chemical
equations that illustrate the following types of reactions. For
reactants choose only from the following lists of reactants. Please
limit yourselves to only reactants in the following lists. Use each
reactant in only one of the reactions you write. You must identify
the appropriate products. List of reactants: Ir(CO)Cl(PPh3)2, C2H6,
CN-, [NiBr4]2-, CH3I, [Cr(H2O)6]2+, CH3CH2Re(CO)5, [Fe(CN)6]3-,
PPh3, [PtBr6]2-, [(C2H4)PtCl3]-,[Co(NH3)5N3]2+, a) Migratory
Insertion.b) Ligand Substitution. c) Oxidative Addition. d)
Inner-Sphere Electron Transfer.
7. Write balance chemical equations...
For each of the following complexes draw the structure, determine the electron count at the metal centre (use the neutral ligand method) and give the oxidation state of the metal (0) [Tan-CsHs)-(CH3)3] (11) [Ni(n-C3Hs)(PPh3>(CO)2] (111) [Mn(n-CHS)(CO)3]* [Ru(PMe3)2(CHPh)C12] (v) [Co(H2-COXCO);}2 Assume a direct Co-Co bond in (v) Explain, using suitable diagrams, the Berry pseudorotation mechanism
please answer both.
1. The following represents the structure of the various transition metal complexes accurately drawn with necessary geometry. In the spaces provided a. Show the electron counting b. Oxidation state of the metal center and ligand charges if present (You don't have to draw out phenyl rings on ligands (e.g., for PPh3)) c) [ReCI(H2C=CH2) (dppe)21+ (dppe = Ph PCH CH PPhy) Pha Pha Pl . Re Ph2 cl Ph2 d. [trans-Aul Ph2] - (Ph=C6H5) Ph-Au-Ph.
4. Classify each of the following reactions as: Acid/ Base, Addition, Elimination, Reduction, Oxidation, Condensation, or Hydrolysis. (7 points each) a. CH3CH2OH [O] + CH3-CH (H2) [O] P → CH-E-OH (+0) (conc. Acid and heat) b. CH3-CH2-CH2-OH CH3-CH=CH2 + H2O (Pt cat) c. CH3-CH=CH2 + H2 → CH3CH2CH3
Question 3 [2 Marks] A. Name the following reactions as reduction, oxidation, substitution, elimination reactions. (1 Mark) CH Na/NH, i) Học = | CH - NaNH » H=": Н3С. H3C H2SO4 H3COH - 70°C C H3C CH2 + H2O H3C CH3 heat CH3 CH3 -C-CH3 + HCI- OH CH3-C-CH3 + H2O CH3 CH2 CH3 + 502 — >3CO2 + 4H20