To which of Cu(II) and Zn(II) is Ni(II) most similar regarding formation of hydroxo– and ammine–complexes?...
To which of Cu(II) and Zn(II) is Ni(II) most similar regarding formation of hydroxo– and ammine–complexes? Explain.
Homework Answers
Ni(II) is very similar to Cu(II) , regarding formation of hydroxo and Ammine Complexes. Because, both Cu(II) and Ni(II) form Octahedral Hydroxo and Ammine complexes, whereas Zn(II) always form Tetrahedral Complexes, due to 0 CFSE. Both Cu(II) and Ni(II) Ammine and Hydroxo Complexes are highly Coloured, whereas Zn(II) Complexes are Colourless.
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To which of Cu(II) and Zn(II) is Ni(II) most similar regarding
formation of hydroxo– and ammine–complexes?...
Electronic absorption spectrum of copper ammine complexes (i) Draw the electron distribution in the d orbitals of an octahedral Cu(II) complex and show the electronic transition responsible for the...
Electronic absorption spectrum of copper ammine complexes
(i) Draw the electron distribution in the d orbitals of an
octahedral Cu(II) complex and show the electronic transition
responsible for the absorptions observed.
(ii) Assign the transition you observe for each complex and give
the value of Δ (in cm-1).
Visible absorption spectra of Cu(ll) complexes 1.2 Cu (H20)2(NH3)4 Cu (H2O)6 Cu (H20)3(NH3)3 0.8 0.6 Cu (H20)s(NH3) Cu (H20)4(NH3)2 0.4 0.2 850 500 550 600 650 700 750 800 900 450 nm...
5. List the Period 4 metals Ti, Cr, Ni, Cu, Zn, in order of increasing melting...
5. List the Period 4 metals Ti, Cr, Ni, Cu, Zn, in order of increasing melting point. a. Zn<Cu<Ni<Cr<Ti b. Ti<Cr<Ni<Cu<Zn c. Cr<Cu<Ni<Ti<Zn d. Zn<Cu<Ni<Ti<Cr e. Cu<Cr<Ti<Ni<Zn
2. In this lab, you will use a Zn-Cu electrochemical cell similar to the one shown...
2. In this lab, you will use a Zn-Cu electrochemical cell similar to the one shown in Figure 12.1. The overall chemical reaction occurring in this cell is: Zn(s) + Cu2+(ag) → Zn2+(aq) + Cu(s) a. In this reaction, how many electrons are being transferred from one substance to the other? Explain how you can determine this from the reaction shown above. b. Which metal is gaining electrons and which metal is losing electrons? c. Explain the function of a...
Which of the following complexes exhibit geometrical but not optical isomerism? I. Ni(NH3)2Cl2 (square planar) II....
Which of the following complexes exhibit geometrical but not optical isomerism? I. Ni(NH3)2Cl2 (square planar) II. [Rh(en)3]2+ III. [CoCl2Br I and III II III II and III I, II and III I I and II
Circle the stronger oxidizing agent in each pair? Zn^2+ or Pb^2+ Cu^2+ or Ag^+ Ni^2+ or...
Circle the stronger oxidizing agent in each pair? Zn^2+ or Pb^2+ Cu^2+ or Ag^+ Ni^2+ or Cd^2+ Ni^2+ or Cu^2+ Circle the species that is easier to oxidize in each pair. Cu or Ag Pb or Zn Ni or Pb Cd or Ni a. Circle the reaction that will occur spontaneously. NiSO_4(aq) + Al_(s) Ni_(s) + Al_2((SO_4)_3(aq)
thanks in advance In which of the following complexes does the transition metal have a de...
thanks in advance
In which of the following complexes does the transition metal have a de configuration? Select one: O a. Cu(H20)62- O b. PtCl42- O c. Ni(CO) O d. Fe(CN) O e. Zn(NH3)42- Which of the following complexes has inkade somers Select one: O a. [Ni(H20);(SCN)]SO, O b. [Ni(NH3),Clą]A! c. [Ni(NH3),CINO, d. [Ni(H20)ŚCI)(SCN); e. [Ni(H20).CICI O What is a general formula for octahedral complexes that exhibit mer - fac isomerism? (M = metal; A, B and C = ligands)...
List the metals Ni, Cu, Zn, Fe, Al, Mg, and hydrogen in order of deceeasing activity.
List the metals Ni, Cu, Zn, Fe, Al, Mg, and hydrogen in order of deceeasing activity.
Inorganic 7. (20 pts) Ni, Zn, and Cu are sulfides, Al is an Oxide and Ca...
Inorganic
7. (20 pts) Ni, Zn, and Cu are sulfides, Al is an Oxide and Ca is a carbonate. Account for this using Hard Soft Acid Base Theory.
Arrange these complexes from most stable to least stable. [Ni(en)3]2+ [Ni(EDTA)12 [Ni(en)3]2+ [Ni(EDTA)12
Arrange these complexes from most stable to least stable.
[Ni(en)3]2+ [Ni(EDTA)12
[Ni(en)3]2+ [Ni(EDTA)12
5) (20 Pts) a) Ni(II) tends to form a variety of complexes w square-planar geometries, while Pd(I...
show cft diagram
5) (20 Pts) a) Ni(II) tends to form a variety of complexes w square-planar geometries, while Pd(IID) and PtII) form predominately square-planar complexes, explain using crystal field theory. b) Another striking difference between these three metals is that the NiIV) oxidation state is very rare, while Pd(IV) is more common and Pt(IV) is very common, explain. Show the CFT diagrams for full credit. ith octahedral, tetrahedral and
5) (20 Pts) a) Ni(II) tends to form a variety...
Electronic absorption spectrum of copper ammine complexes
(i) Draw the electron distribution in the d orbitals of an
octahedral Cu(II) complex and show the electronic transition
responsible for the absorptions observed.
(ii) Assign the transition you observe for each complex and give
the value of Δ (in cm-1).
Visible absorption spectra of Cu(ll) complexes 1.2 Cu (H20)2(NH3)4 Cu (H2O)6 Cu (H20)3(NH3)3 0.8 0.6 Cu (H20)s(NH3) Cu (H20)4(NH3)2 0.4 0.2 850 500 550 600 650 700 750 800 900 450 nm...
5. List the Period 4 metals Ti, Cr, Ni, Cu, Zn, in order of increasing melting point. a. Zn<Cu<Ni<Cr<Ti b. Ti<Cr<Ni<Cu<Zn c. Cr<Cu<Ni<Ti<Zn d. Zn<Cu<Ni<Ti<Cr e. Cu<Cr<Ti<Ni<Zn
2. In this lab, you will use a Zn-Cu electrochemical cell similar to the one shown in Figure 12.1. The overall chemical reaction occurring in this cell is: Zn(s) + Cu2+(ag) → Zn2+(aq) + Cu(s) a. In this reaction, how many electrons are being transferred from one substance to the other? Explain how you can determine this from the reaction shown above. b. Which metal is gaining electrons and which metal is losing electrons? c. Explain the function of a...
Circle the stronger oxidizing agent in each pair? Zn^2+ or Pb^2+ Cu^2+ or Ag^+ Ni^2+ or Cd^2+ Ni^2+ or Cu^2+ Circle the species that is easier to oxidize in each pair. Cu or Ag Pb or Zn Ni or Pb Cd or Ni a. Circle the reaction that will occur spontaneously. NiSO_4(aq) + Al_(s) Ni_(s) + Al_2((SO_4)_3(aq)
thanks in advance
In which of the following complexes does the transition metal have a de configuration? Select one: O a. Cu(H20)62- O b. PtCl42- O c. Ni(CO) O d. Fe(CN) O e. Zn(NH3)42- Which of the following complexes has inkade somers Select one: O a. [Ni(H20);(SCN)]SO, O b. [Ni(NH3),Clą]A! c. [Ni(NH3),CINO, d. [Ni(H20)ŚCI)(SCN); e. [Ni(H20).CICI O What is a general formula for octahedral complexes that exhibit mer - fac isomerism? (M = metal; A, B and C = ligands)...
Inorganic
7. (20 pts) Ni, Zn, and Cu are sulfides, Al is an Oxide and Ca is a carbonate. Account for this using Hard Soft Acid Base Theory.
Arrange these complexes from most stable to least stable.
[Ni(en)3]2+ [Ni(EDTA)12
[Ni(en)3]2+ [Ni(EDTA)12
show cft diagram
5) (20 Pts) a) Ni(II) tends to form a variety of complexes w square-planar geometries, while Pd(IID) and PtII) form predominately square-planar complexes, explain using crystal field theory. b) Another striking difference between these three metals is that the NiIV) oxidation state is very rare, while Pd(IV) is more common and Pt(IV) is very common, explain. Show the CFT diagrams for full credit. ith octahedral, tetrahedral and
5) (20 Pts) a) Ni(II) tends to form a variety...
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