What is the Metal to Ligand Ratio based on the results below? 0.001 M 0.001 M Metal Volume (mL) Ligand Volume (ml) 10 9 O M2L5 OML O ML2 O ML3 O ML4 O ML6 0 1 2 3 4 5 6 7 8 9 10 87 6 54 4 3 2 1 O Absorbance at 600 nm 0.000 0.253 0.502 0.722 0.897 0.955 0.901 0.744 0.508 0.261 0.010
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- 1.0- stoichiometric mixture 0.8- & 0.6- 0.4- metal in excess 0.2- 0.0- 0.0 0.2 0.4 XL 0.6 0.8 1.0 AAAAAAÄ. From the Job's plot shown, what is ratio of the metal-to-ligand (M:L) ? absorbance ligand in excessWhat is the Metal to Ligand Ratio based on the results below? 0.001 M 0.001 M Metal Volume (mL) Ligand Volume (ml) 0 10 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1 10 0 M2L5 O ML ML2 O ML3 O ML4 O ML6 Absorbance at 600 nm 0.000 0.253 0.502 0.722 0.897 0.955 0.901 0.744 0.508 0.261 0.010Predict how altering the ligand donor/acceptor characteristics will affect Δo and how this is can be seen in the spectrochemical series.
- According to the graph below, The ratio for One Metal is to how many LIGAND? (Write a whole number) 1.00 0.90 0.80 Spectrophotometric titration • ● 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 Mole Fraction of LIGAND 2.500 2.000 1.500 1.000 0.500 0.000 Absorbance *Matching Type a monodentate ligand a bidentate ligand a hexadentate a chelating indicator a polydentate a metal ligand complex ion A. ammonia B. silver diammine C. EBT D. ethylenediaminetetraacetic acid E. oxalateH CI PMe3 Ph2(Et)P-Pt-P(Et)Ph2 EtP-Pt-PEtz Me,P-Pt-CI CI 242 pm CI 237 pm 229 pm Q.3 For the first complex, explain the electronic effect that gives rise to the influence of the hydride ligand on the Pt-Cl bond length.
- Consider the data for the determination of phosphorus in urine as the phosphomolybdate complex, which has a maximum absorbance at 650 nm. 43 1.2 1 0.8 0.6 0.4 0.2 1 2 3 4 6 conc. of P. Dom Below is the generated titration curve from an external standard calibration method in the analysis of phosphorus in soil. Identify the concentration of phosphorus in a gram of sample that has an absorbance of 0.500 at a wavelength of 650 nm. absorbance2 Mg(NO3)2 + HO HO OH OH + 4 NaOH THF/H₂O 110°C 24 h Mg2 (dhtp)(H₂O)2 8H₂O + 4 NaNO3 H4dhtp 2. What reaction occurs between the Mg(NO3)2 and ligand solution?What are the equilibrium concentrations of all copper containing species in solution containing 0.02mM copper and 0.4mM free ethylene diamine? Assume that there is an excess of ethylene diamine in the system. Also do not consider mixed ligand complexes.
- Calculate the equilibrium concentration of Ni²* in a solution with an analytical NİY2- concentration of 0.0100 M at pH 2.0 and pH 9.0. Kr of NIY2= 4.2 x 1018 HẠY Dissociation Constants: Ka1 =1.02 x 10² Ka2 =2.14 x 103 Ka3 =6.92 x 10-7 Ka4 =5.50 x 10-11Three absorption bands were observed at 11200, 18350, 29000 cm-1 in the electronic spectrum of the [Ni(en)3]2+ complex. What is the ligand field transition corresponding to the absorption band at 18350 cm-1? (28Ni) A. 4A2g→ 4T2gB. 4T1g→ 4T2gC. 2T1g→ 2A2gD. 3A2g→ 3T1gAs your undergraduate thesis, you developed a colorimetric method for determining a certain metal (M) found in your local water supply. You achieved this by reacting the metal with an organic ligand that produced a colored complex that strongly absorbs the wavelength at 478 nm. The following results were obtained for standard solutions of nitrite and for a sample containing an unknown amount: mg/L metal Absorbance 0.000 0.000 0.100 0.052 0.200 0.110 0.400 0.214 0.500 0.281 1.000 0.556 1.500 0.816 2.000 1.078 Sample 0.114 d. Assuming the path length of your beam is 1.00 cm, which is the common size for a cuvette, what is the absorptivity of your solution? e. What is the concentration (mg/L) of the metal in your sample? Show your calculation, follow format.