- why does Ni + 4CO(g) = Ni(CO)4(g) reaction require T=350 K to occur and T=400...
- why does Ni + 4CO(g) = Ni(CO)4(g) reaction require T=350 K to occur and T=400 K for Ni(CO)4(g) to decompose?
- is this related to the splitting crystal field splitting ?
-what is the 18 rule of Ni(CO)4(g) ?
Homework Answers
The reaction between Ni and CO results in the production of Ni(CO)4. This is an inorganic complex involving a strong field ligand such as CO which is unsaturated thus allowing not only the ligand to σ−donate but also to accept electrons in its π* orbital from dπ metal orbitals and thereby making the CO ligand π−accepting. This makes the Nickel complex more stable and therefore requires more temperature to decompose.
The 18 rule is a rule in which if a molecule has an 18 electron count, it means that all of its orbitals are filled and it has achieved the noble gas type configuration.
In the complex, Ni(CO)4, Ni contributes 10 electrons (3d8 4s2) and ligand CO contributes 2 electrons. The total electrons become:-
Ni(CO)4 = 10 + 4(2) = 10 + 8 = 18 electrons
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- why does Ni + 4CO(g) = Ni(CO)4(g) reaction require
T=350 K to occur and T=400...
(37) Consider the reaction: Ni(CO)4 (g) Ni (s) + 4CO (g) What is the expression for...
(37) Consider the reaction: Ni(CO)4 (g) Ni (s) + 4CO (g) What is the expression for K for this reaction? [1] Kc= [Ni][CO]4[Ni(CO)4] [2] Kp= [Ni][CO][Ni(CO)4] [3] Kp= (PCO)4(PNi(CO)4) [4] K?= [Ni][CO]4 [5] None of the above.
Consider the following reaction where Kp = 10.5 at 350 K. 2CH2Cl2(g) CH4(g) + CCl4(g) If...
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a). Consider the following reaction where Kc = 10.5 at 350 K: 2 CH2Cl2(g) -->CH4(g) +...
a). Consider the following reaction where Kc = 10.5 at 350 K: 2 CH2Cl2(g) -->CH4(g) + CCl4(g) A reaction mixture was found to contain 1.26×10-2moles of CH2Cl2(g), 2.60×10-2moles of CH4(g), and 4.42×10-2moles of CCl4(g), in a 1.00 liter container. Indicate True (T) or False (F) for each of the following: ___TF 1. In order to reach equilibrium CH2Cl2(g) must be produced . ___TF 2. In order to reach equilibrium Kc must decrease . ___TF 3. In order to reach equilibrium...
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Q(18) NI(CO)49) - Ni(s) + 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to A) Shift toward the products B) Shift toward the reactants C) remain unchanged D) increase the temperature E) it depends on the amount added Q(19) CO2 + H2 -CO + H2O Adding a catalyst to this reaction will cause the COD at equilibrium to A) Shift toward the products B) Shift toward the reactants C) remain unchanged D) increase the temperature E) it...
Consider this equilibrium reaction at 400 K. Br2(g)+Cl2(g)↽−−⇀2BrCl(g)?c=7.0 If the composition of the reaction mixture at...
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Consider this equilibrium reaction at 400 K. Br2(g)+Cl2(g)↽−−⇀2BrCl(g) ?c=7.0 If the composition of the reaction...
Consider this equilibrium reaction at 400 K. Br2(g)+Cl2(g)↽−−⇀2BrCl(g) ?c=7.0 If the composition of the reaction mixture at 400 K is [BrCl]=0.00628 M, [ Br 2 ] = 0.00304 M, and [ Cl 2 ] = 0.000557 M, A)what is the reaction quotient, ? Q ? B)How is the reaction quotient related to the equilibrium constant, Kc, for this reaction? a)?=?c b)?<?c c) Q > K c
Consider the reaction: NiO(s)+CO(g)⇌Ni(s)+CO2(g) Kc=4.0×103 at 1500 K If a mixture of solid nickel(II) oxide and...
Consider the reaction: NiO(s)+CO(g)⇌Ni(s)+CO2(g) Kc=4.0×103 at 1500 K If a mixture of solid nickel(II) oxide and 0.20 M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilibrium concentration of CO2? Express your answer using two significant figures.
Consider the reaction: NiO(s)+CO(g)⇌Ni(s)+CO2(g) Kc=4000.0 at 1500 K When calculating the answer, do not round to...
Consider the reaction: NiO(s)+CO(g)⇌Ni(s)+CO2(g) Kc=4000.0 at 1500 K When calculating the answer, do not round to the appropriate number of significant figures until the last calculation step. Part A If a mixture of solid nickel(II) oxide and 0.11000 M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilibrium concentration of CO2?
Consider the reaction: NiO(s)CO(g) = Ni(s)CO2 (g) Ke=4000.0 at 1500 K When calculating the answer, do...
Consider the reaction: NiO(s)CO(g) = Ni(s)CO2 (g) Ke=4000.0 at 1500 K When calculating the answer, do not round to the appropriate number of significant figures until the last calculation step Part A If a mixture of solid nickel(II) oxide and 0.17000 M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilbrum concentration of CO2? Express your answer using two significant figures. CO)= 680 Request Answer Submit Previous Answers Incorrect; Try Again Next
please explain why the answer is what it is! thank you! 6. (4 pts) What is...
please explain why the answer is what it is! thank you!
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Consider the reaction: NiO(s)CO(g) = Ni(s)CO2 (g) Ke=4000.0 at 1500 K When calculating the answer, do not round to the appropriate number of significant figures until the last calculation step Part A If a mixture of solid nickel(II) oxide and 0.17000 M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilbrum concentration of CO2? Express your answer using two significant figures. CO)= 680 Request Answer Submit Previous Answers Incorrect; Try Again Next
please explain why the answer is what it is! thank you!
6. (4 pts) What is the value of K for the b for the hypothetical reaction: athetical reaction: 2D = A + 2B If the following information is known about the following elementary rxns: A + 2B Sc K = 3.3 CS2D K = 0.041 A) 81 B) 24 [041] C) 7.4 D) 0.45 E) 0.012 [3.3] 7. 14 pts) For the above Q6 hypothetical reaction, calculate the AG...
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