Calculate the overall formation constant for Fe(CN) given that the overall formation constant for Fe(CN)6)-is ~1032,...
The formation constant, Kf, of Fe(CN)63-(aq), Fe3+(aq) + 6 CN-(aq) ⇌ Fe(CN)63-(aq), is 1.0 x 1042. What are the equilibrium concentrations of Fe3+(aq), CN-(aq), and Fe(CN)63-(aq) if we add 0.113 mol of Fe(NO3)3 to 1.000 L of a 0.965 M aqueous solution of NaCN? Assume the volume remains fixed at 1.000 L.
A solution is prepared by adding 0.075 mole of K3 [Fe(CN)6] to 0.72 L of 2.2 M NaCN. Assuming no volume change, calculate the concentrations of Fe(CN)63- and Fe3+ in this solution. The K (overall) for the formation of Fe(CN)63- is 1.0 x 1042. [Fe(CN)6*] = [Fe3+] = Submit Answer Try Another Version 2 item attempts remaining
3. When Cl2(g) is added to aqueous K [Fe(CN)6], [Fe(CN).]*- is oxidized to [Fe(CN).]}-and K [Fe(CN)6] precipitates, as shown below. 2K [Fe(CN).] (aq) + Cl2(g) = 2K3[Fe(CN).J(8) + 2Cl(aq) a. Write the net ionic equation for the reaction and calculate its equilibrium constant (10 pts) At 25°C: [Fe(CN).]" (aq) + e[Fe(CN).]" (aq) E° = 0.356 V Cl2(9) + 2e → 2Cl(aq) E° = 1.360 V Ksp of K3 [Fe(CN)6] = 106.5 b. When 80.0 mL of 1.00 M KCN is...
3. When Clz(9) is added to aqueous Ke[Fe(CN).), [Fe(CN).]*- is oxidized to [Fe(CN).jº-and Kz[Fe(CN).] precipitates, as shown below. 2K [Fe(CN)6] (aq) +C12(g) = 2K [Fe(CN).](s) + 2Cl(aq) a. Write the net ionic equation for the reaction and calculate its equilibrium constant. (10 pts) At 25°C: [Fe(CN)6]3-(aq) + [Fe(CN)6]+-(aq) E° = 0.356 V Cl2(g) + 2e + 2Cl(aq) E° = 1.360 V Ksp of K3[Fe(CN)6] = 106.5
A solution is prepared by adding 0.063 mole of K3 [Fe(CN)6] to 0.59 L of 2.1 M NaCN. Assuming no volume change, calculate the concentrations of Fe(CN)63- and Fe3+ in this solution. The K (overall) for the formation of Fe(CN)63- is 1.0 x 1042. M [Fe(CN)6*] = C [Fe3+]= C M Submit Anchor Another Voreion 2 itom attomnte romaining
Give the oxidation state of each element in the following compounds and ions; Pauling electronegativity values in the appendix shown down may be useful: 1. (a) Ca0: (b) H,O: () HF; (d FeCh (e) Xef s; (g) Na2S04: (h) [PO4]3"; (i) (t) OsO 3+ Values are dependent on oxida tion state. Groupi Greup 2 Li 1.0 34 2.0 AiaII) Me 1.3 Ca 21 27 2.1 Sa(TV) 2.0 2.0 2.3 (Appendix) Calculate the overall formation constant for Fe(CN), given that the...
3. When C12(g) is added to aqueous K4[Fe(CN).), [Fe(CN)]*- is oxidized to [Fe(CN).]>- and K:[Fe(CN)] precipitates, as shown below. 2K.[Fe(CN),](aq) +Cl2(g) = 2Ks[Fe(CN)2](3) + 2Cl(aq) a. Write the net ionic equation for the reaction and calculate its equilibrium constant. (10 pts) At 25°C [Fe(CN).J” (aq) + € → [Fe(CN).]" (aq) E = 0.356 V Cl2(g) + 2e → 2Cl(aq) E* = 1.360 V Kup of Kj[Fe(CN).] = 106.5 Answer: b. When 80.0 mL of 1.00 M KCN is added to...
3. Iron(II) nitrate and hydrocyanic acid react to form the hexacyanoferrate(II) ion, [Fe(CN).]*(aq), with a formation constant of 1.438x10's. This complex ion has an intense blue color in solution. a. If you add 182.734g of iron(II) nitrate solid to 750.0mL of 0.8324M CN'(aq) solution, what is the concentration of CN'(aq) still in solution when the reaction reaches equilibrium? b. Copper(II) also forms a complex ion with cyanide ions, tetracyanocuprate(II)ion, [Cu(CN).] (aq), with a formation constant of 1.028x10”. This complex ion...
For the following half-reaction, E° = 1.103 V. Calculate the formation constant (Kf) for Cu(CN)2–. Cu2+(aq) + 2CN–(aq) + e– → Cu(CN)2–(aq)
Given the following reduction half-reactions: Fe3+(aq)+e−→Fe2+(aq) E∘red=+0.77V S2O2−6(aq)+4H+(aq)+2e−→2H2SO3(aq) E∘red=+0.60V N2O(g)+2H+(aq)+2e−→N2(g)+H2O(l) E∘red=−1.77V VO+2(aq)+2H+(aq)+e−→VO2+(aq)+H2O(l) E∘red=+1.00V Write balanced chemical equation for the oxidation of Fe2+(aq) by S2O2−6(aq). Calculate ΔG∘ for this reaction at 298 K. Calculate the equilibrium constant Kfor this reaction at 298 K. Write balanced chemical equation for the oxidation of Fe2+(aq) by N2O(g). Calculate ΔG∘ for this reaction at 298 K. Calculate the equilibrium constant Kfor this reaction at 298 K. Write balanced chemical equation for the oxidation of Fe2+(aq)...