Homework Answers
Q.19)
(a) Cr2+(d4 system):- It is a high spin complex due weak field ligand. So it is labile complex that means rate of exchange of water takes place rapid.
(b).Ru2+(d6 system):- It is low spin complex due to strong field ligand. So it is inert complex that means rate of exchange of ligand is very slow.
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19. Classify the following complex ions as inert or labile. Explain your choices. (2 pts each/4pts...
Question 5 7 pts Which of the following complex ions will most likely be colorless? [Zn(en)312+...
Question 5 7 pts Which of the following complex ions will most likely be colorless? [Zn(en)312+ [Ni(H20)6]2+ [Cr(NH3)613+ [Fe(CN)6]4- [Fe(NH3)612+
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+
From the following list of metal ions and ligands, construct metal complexes with properties which match...
From the following list of metal ions and ligands, construct metal complexes with properties which match that described in each part of the question and provide a brief explanation. (Only one example is required for each part of the question, e.g. [Fe(H20)6]21). Metal ions Ligands (in order of increasing ligand field strength) [ < Br< <C1° <NO3 <OH <ox?- <H2O< Ti(IV), V(III), V(IV), Cr(II), Cr(III), Mn(II), NH3 <en <bpy < PPh3< CN=CO Mn(III), Mn(IV), Fe(II), Fe(III), Co(II), Co(III), en =...
Part A (2 marks) In the following pairs of complexes, which do you expect to have...
Part A (2 marks) In the following pairs of complexes, which do you expect to have a larger ligand field splitting parameter Ao? Why? Explain? i) [Fe(NH3)612+ or [Fe(NH3). 13+ ii) (Co(CN)613- or [Rh(CN)613- Part B (3 maks) In the following pairs of complexes, which do you expect to be more labile? Why? Explain? ) [Cr(NH3)613+ or [Mn(NH3)6]3+ ii) (Co(CN)613- or [Rh(CN)613- ii) [Cr(NH3).]3+ or [V(NH3).]2+
Label the following complexes as Inert or Labile: [Al(C2O4)3]3- [V(H2O)6]3+ [V(H2O)6]2+ [Cr(C2O4)3]3- [CoF6]3- (5P Ground State) [Fe(CN)6]4-...
Label the following complexes as Inert or Labile: [Al(C2O4)3]3- [V(H2O)6]3+ [V(H2O)6]2+ [Cr(C2O4)3]3- [CoF6]3- (5P Ground State) [Fe(CN)6]4- [PtCl6]2-
Question 10 5 pts Which of the following pairs of coordination compounds or complex ions are...
Question 10 5 pts Which of the following pairs of coordination compounds or complex ions are examples of linkage isomers? O [Fe(NH3)2(H20)4]Br2 and [Fe(NH3)2(H20)4]12 [Cu(NH3) 5Br]Cl and [Cu(NH3)5Cl]Br O [Mn(CO)5NO2)2+ and (Mn(CO)5ONO]2+ IV(H20)613+ and V(NH3)613 o [Fe(NH3)2(H20)4]Br2 and [Fe(NH3)4(H20)2Br2
Predict which complex in each of the following pairs will have the lower energy d-d transition;...
Predict which complex in each of the following pairs will have the lower energy d-d transition; give brief explanation of your reasoning: a. [Mn(CN)6] or [Mn(H20)6]3* b. Cr(PH3)6 or Cr(PF3)6 c. [Nb(H20)6]3+ or [Ta(NH3).]3+ d. [Ni(H20)4]+ or [Cu(H2O)4]3+
3) Account for the trends in the following series: Complex Act(cm-1) d-electron [TIF 13 17,000 ?...
3) Account for the trends in the following series: Complex Act(cm-1) d-electron [TIF 13 17,000 ? [Ti(H20).13+ 20,300 ? [VH,0) 13+ 17,850 ? [V( HO)]2+ 12,400 ? [Cr(H20)]3+ 17,400 ? [Cr(H20)]2+ 14,100 ? [Cr(NH3)213+ 21,600 ? [Cr(CN).13+ 26,600 ? What is the d-electron count for each complex?
calculuate valence electrons for each complex (a) [Mn(H20)]3+ (d) [Fe(H20).]3+ (b) [Cr(H2O)6]2+ (e) [Co(NH3)4] * (h)...
calculuate valence electrons for each complex
(a) [Mn(H20)]3+ (d) [Fe(H20).]3+ (b) [Cr(H2O)6]2+ (e) [Co(NH3)4] * (h) [Pd(NH3).]4+ (c) [V(H2O).]2+ (1) [Ni(H2O)]2+ (1) [Re(CN).]3- (g) MoF6
For each of the following i. Write the full name of the coordination compound (or complex)...
For each of the following i. Write the full name of the coordination compound (or complex) ii.Draw all of the isomers of the coordination compound (or complex) a. [Cr(NH3)3Br3] b. Fe(C2O4)2(CN)2 3-
Question 5 7 pts Which of the following complex ions will most likely be colorless? [Zn(en)312+ [Ni(H20)6]2+ [Cr(NH3)613+ [Fe(CN)6]4- [Fe(NH3)612+
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+
From the following list of metal ions and ligands, construct metal complexes with properties which match that described in each part of the question and provide a brief explanation. (Only one example is required for each part of the question, e.g. [Fe(H20)6]21). Metal ions Ligands (in order of increasing ligand field strength) [ < Br< <C1° <NO3 <OH <ox?- <H2O< Ti(IV), V(III), V(IV), Cr(II), Cr(III), Mn(II), NH3 <en <bpy < PPh3< CN=CO Mn(III), Mn(IV), Fe(II), Fe(III), Co(II), Co(III), en =...
Part A (2 marks) In the following pairs of complexes, which do you expect to have a larger ligand field splitting parameter Ao? Why? Explain? i) [Fe(NH3)612+ or [Fe(NH3). 13+ ii) (Co(CN)613- or [Rh(CN)613- Part B (3 maks) In the following pairs of complexes, which do you expect to be more labile? Why? Explain? ) [Cr(NH3)613+ or [Mn(NH3)6]3+ ii) (Co(CN)613- or [Rh(CN)613- ii) [Cr(NH3).]3+ or [V(NH3).]2+
Question 10 5 pts Which of the following pairs of coordination compounds or complex ions are examples of linkage isomers? O [Fe(NH3)2(H20)4]Br2 and [Fe(NH3)2(H20)4]12 [Cu(NH3) 5Br]Cl and [Cu(NH3)5Cl]Br O [Mn(CO)5NO2)2+ and (Mn(CO)5ONO]2+ IV(H20)613+ and V(NH3)613 o [Fe(NH3)2(H20)4]Br2 and [Fe(NH3)4(H20)2Br2
Predict which complex in each of the following pairs will have the lower energy d-d transition; give brief explanation of your reasoning: a. [Mn(CN)6] or [Mn(H20)6]3* b. Cr(PH3)6 or Cr(PF3)6 c. [Nb(H20)6]3+ or [Ta(NH3).]3+ d. [Ni(H20)4]+ or [Cu(H2O)4]3+
3) Account for the trends in the following series: Complex Act(cm-1) d-electron [TIF 13 17,000 ? [Ti(H20).13+ 20,300 ? [VH,0) 13+ 17,850 ? [V( HO)]2+ 12,400 ? [Cr(H20)]3+ 17,400 ? [Cr(H20)]2+ 14,100 ? [Cr(NH3)213+ 21,600 ? [Cr(CN).13+ 26,600 ? What is the d-electron count for each complex?
calculuate valence electrons for each complex
(a) [Mn(H20)]3+ (d) [Fe(H20).]3+ (b) [Cr(H2O)6]2+ (e) [Co(NH3)4] * (h) [Pd(NH3).]4+ (c) [V(H2O).]2+ (1) [Ni(H2O)]2+ (1) [Re(CN).]3- (g) MoF6
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