![6. [Ni(en)]2+ + 6NH3 = [Ni(NH3).]2+ + 3en Show calculation for this and all following Ks! K = 7. [Ni(dien) P* + 6NH = [Ni(NH](http://img.homeworklib.com/questions/48604480-6f83-11ea-bce3-17eea95765ef.png?x-oss-process=image/resize,w_560)
Homework Answers
Question 6.
'en' is a bidentate ligand, which increases the strength of the metal complex, but NH3 comparatively less stabilizes the metal complex.
i.e. [Ni(en)3]2+ + 2NH3 <----> [Ni(en)2(NH3)2]2+ + en, K1
[Ni(en)2(NH3)2]2+ + 2NH3 <----> [Ni(en)(NH3)4]2+ + en, K2
[Ni(en)2(NH3)4]2+ + 2NH3 <----> [Ni(NH3)6]2+ + en, K3
Now, the overall equilibrium constant for the formation of [Ni(NH3)6]2+ from [Ni(en)3]2+ can be calculated as follows.
K = K1 * K2 * K3
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6. [Ni(en)]2+ + 6NH3 = [Ni(NH3).]2+ + 3en Show calculation for this and all following K's!...
1. [Ni(H20)] + 6NH3 = [Ni(NH3);]+ 6H20 K= 2. [Ni(H2O).] + 3en = [Ni(en)]2+ + 6H20...
1. [Ni(H20)] + 6NH3 = [Ni(NH3);]+ 6H20 K= 2. [Ni(H2O).] + 3en = [Ni(en)]2+ + 6H20 K= 3. [Ni(H2O).)** + 2dien = [Ni(dien)]2+ + 6H20 ке
9. Which is more stable: Ni(NH3)2+ or Ni(en)37+? Explain your reasoning.
9. Which is more stable: Ni(NH3)2+ or Ni(en)37+? Explain your reasoning.
Give the coordination number of the central metal ion in the following complex ions. a. [Ni(en)2(NH3)2]2+...
Give the coordination number of the central metal ion in the following complex ions. a. [Ni(en)2(NH3)2]2+ b. [Fe(en)(ox)Cl2]- Please explain how you got them too? thanks
The formation constant for [Ni(NH3)6]2+ is 1.2 × 108. What is the value of Keq for the following reaction? [Ni(NH3)6]2+...
The formation constant for [Ni(NH3)6]2+ is 1.2 × 108. What is the value of Keq for the following reaction? [Ni(NH3)6]2+ ⇄ Ni2+ + 6 NH3 3.5 × 106 1.2 × 10−14 1.8 × 10−5 1.2 × 108 9.80 × 10−9
consider this six metal ligand , answer the following question. [Ni(NH3)6]Cl2,[Ni(en)3]Cl2.2H2O,[Ni(pn)3]Cl2.2H2O,[Ni(bipy)3]Cl2 and [Ni(phen)3]Cl2 1. Draw the...
consider this six metal ligand , answer the following question. [Ni(NH3)6]Cl2,[Ni(en)3]Cl2.2H2O,[Ni(pn)3]Cl2.2H2O,[Ni(bipy)3]Cl2 and [Ni(phen)3]Cl2 1. Draw the structures of all of the ligands used in this experiment and place them in order of their increasing ligand field strengths. How does this compare with the spectrochemical series for ligands detailed in the literature? 2. Draw structures by hand (using 3D depictions for the metal-ligand bonds) for all of the metal complexes indicating which ones are chiral and which ones are not. 3....
NiSO4· 6H2O + en --> A. Using the moles of each species in your Ni-en complex,...
NiSO4· 6H2O + en --> A. Using the moles of each species in your Ni-en complex, show the calculations to determine the empirical formula for your Ni-en complex. Each complex’s moles / Ni 2+ moles: Ni2+ = 0.000824 mol / 0.000824 mol = 1 SO42-= 0.000824 mol / 0.000824 mol = 1 H2O = 0.006061 mol / 0.000824 mol = 7 en = 0.001001 mol / 0.000824 mol = 1 Empirical Formula: ??? B. Knowing your Ni-en complex’s empirical formula,...
The spectrochemical series is < Br<< Cl<F-<OH" <H2O <NH3 <en <NO2- < CN- The complex [Ni(Cl)c]...
The spectrochemical series is < Br<< Cl<F-<OH" <H2O <NH3 <en <NO2- < CN- The complex [Ni(Cl)c] is green and the complex [Ni(en)]2+ is violet, where en corresponds to the ethylenediamine ligand. The reason for the difference in the color of these complexes is: Select one: A. The chloride ligand is green, and the ethylenediamine ligand is violet. B. The difference in the coordination numbers of the chloride complex and the en complex. C. The difference in the oxidation states of...
Compare and rationalize the rate constants for the aquation reactions of the following trans-cobalt(III) complexes: [Co(NH3)Br(en)2]2+...
Compare and rationalize the rate constants for the aquation reactions of the following trans-cobalt(III) complexes: [Co(NH3)Br(en)2]2+ + H2O ? [Co(NH3)(H2O)(en)2]3+ + Br- k = 1.2 x 10-6 s-1 [CoBr2(en)2]+ + H2O ? [Co(H2O)Br(en)2]2+ + Br- k= 1.4 x 10-4 s-1
Which of the following complex ions will most likely be colorless? O [Zn(en)3]2+ O [Ni(H20)612+ O...
Which of the following complex ions will most likely be colorless? O [Zn(en)3]2+ O [Ni(H20)612+ O [Cr(NH3)6]3+ O [Fe(CN)614- O [Fe(NH3)6]2+
For each of the following, determine the point group of the species. 5. [Ni(en)3]2– (Λ) 6....
For each of the following, determine the point group of the species. 5. [Ni(en)3]2– (Λ) 6. Cr(OH2)3(OH)3 (mer) 7. Fe(CO)5 8. Zr(C6H6)2 (eclipsed)
1. [Ni(H20)] + 6NH3 = [Ni(NH3);]+ 6H20 K= 2. [Ni(H2O).] + 3en = [Ni(en)]2+ + 6H20 K= 3. [Ni(H2O).)** + 2dien = [Ni(dien)]2+ + 6H20 ке
9. Which is more stable: Ni(NH3)2+ or Ni(en)37+? Explain your reasoning.
The spectrochemical series is < Br<< Cl<F-<OH" <H2O <NH3 <en <NO2- < CN- The complex [Ni(Cl)c] is green and the complex [Ni(en)]2+ is violet, where en corresponds to the ethylenediamine ligand. The reason for the difference in the color of these complexes is: Select one: A. The chloride ligand is green, and the ethylenediamine ligand is violet. B. The difference in the coordination numbers of the chloride complex and the en complex. C. The difference in the oxidation states of...
Which of the following complex ions will most likely be colorless? O [Zn(en)3]2+ O [Ni(H20)612+ O [Cr(NH3)6]3+ O [Fe(CN)614- O [Fe(NH3)6]2+
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