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- The accompanying data (1.00-cm cells) were obtained for the spectrophotometric titration 10.00 mL of Pd(II) with 2.44 10-4 M Nitroso R(O. W Rollins and M. M. Oldham, Anal. chem .,1971, 43, 262, DOI: 10.1021/ac60297a026). Calculate the concentration of the Pd(II) solution, given that the ligand-to-cation ratio in the colored product is 2:1Ammonium iron(II) sulfate crystals have the following formula: (NH4)2SO4.FeSO4.nH2O . In an experiment to determine n 8.492g of the salt were dissolved and made up to 250cm^-3 of solution with distilled water and sulphuric acid. A 25.0cm^-3 portion of the solution was titrated against 0.0150 mol dm^-3 KMnO4. A volume of 22.5cm^-3 was required. Find the value of nThere has been three bands (264 nm, 408 nm and 575 nm) observed in the UV-Vis spectrum of the complex K[Cr(H2O)6](SO4)2.6H2O. Calculate CFSE and LFSE as kjmol-1 and kcalmol-1. (Cr:24) (1kJ/mol=83,6cm-1)
- explain anharmonicity.A protein binds a ligand with a ka value of 7.4 x 104 M-1s-1 and a kd value of 6.4 x 10-4 s-1. What is the KD value of this binding event in units of nM? Please report your answer to two significant figures and include units.A protein has a binding affinity for its lignd of Ka =2 x 10^5M at pH 7.0 and 25 degrees celcius. At what concentration of the ligand is half of the protein bound?
- In optical analysis, what are the methods used to calculate the concentration ofa solution from the absorbance measurements of colorimeters?Describe the state of hybridization, the shape and the magnetic’behaviour of the following complexes: (i) [Cr(H20)2(C204)2]- (ii) [Co(NH3)2(en)2]3+, (en = ethane-1, 2-diamine) (At. Nos : Cr = 24, Co = 27)19. The association constant of protein X for ligand Y is: 100 micromolar. At what concentration of ligand is half fo the protein bound?
- Polonium(atomicmass209.0g/mol)crystallizesinaprimitivecubicunitcell.Ifthedensityofpoloniumis9.15g/cm3,whatistheradiusofapoloniumatom(inpm)?Explain Jhane Teller distortions for Co(II) octahedral LS and HS complexes?Predict whether the following complexes would show Jahn-Teller distortion: Ammonium pentachlorooxidochromate(V), meff = 1.8 mB Potassium hexaiodidomanganate(IV), meff = 3.8 mB Potassium hexachoridocuprate(II), meff = 1.8 mB Hexaaquamanganese(II) chloride, meff = 6.0 mB
