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- Predict the multiplicity/splitting pattern and indicate the integration value for each Hydrgen present in the boxes. Provide the simplest ratio. Use the structure provided to define Ha, Hb, Hc, etc.Briefly give a general explanation about fluxionality and how it differs from isomerization or tautomerization. Also give reason how NMR spectroscopy is helpful in studying the fluxional behaviour of molecule.Explain what each peak of the IR spectrum of the recrystallised ferrocene sample below corresponds to in great detail. Is the sample pure? Give reasons why.
- The UV–visible spectrum of GLB-1 is given in Figure 2. i.What colour(s) will the deoxy and oxy forms of GLB-1 be? Note, an electromagnetic spectrum is reproduced in the Assessment area on the S315 website. ii.By comparing the bands on the right-hand side (around 550 nm) with those of oxy- and deoxymyoglobin, suggest what type of transition gives rise to these bands.Discuss with the aid of diagrams how the isolobal analogy can be used to describe parallels between main groups and organometallic chemistry. please make it very detailed and clear.Why wouldn't this ruthenium catelyst, with two trans IMes ligands, be good at catalysing alkene metathesis?
- Describe main features of the evidence of M-CºC characterization and corresponding techniques of this complex (COCL(PPh3)2-III(CF3)2)...?What is the peroxide effect? What does it mean when there is a reversal of orientation? Detailed answers are appreciated. Thanks in advance!Draw a complete molecular orbital diagram for 1,3,5,7-octatetraene including: Labeled y-axis. MO energy levels with occupied electrons. Image of p-orbitals and their phases (you can either color code the phases or use +/- signs).
- Elimination of an L ligand (as the first step of a D substitution mechanism) from a charge - neutral NiL4 complex has very little tendency to occur for L = P(OMe3), but for L = PMe3, it occurs almost completely. Since the two ligand species have approximately the same cone angle, what factors are responsible for this difference?By using the given 1) electronic absorption spectrum, 2) the Tanabo-Sugano diagram for d3 complex in octahedral ligand field and 3) the absorption/emission spectra, explain the following: a) Ligand field states (to support your explanation show the filling of the orbitals) b) Radiative transitions (to support your explanation refer to fluorescence, phosphorescence and Stokes’ shift)What is the Madelung constant for MgO (rock salt) structure? Include only the first 3 terms. Give your answer to 3 significant figures.