Question 1

Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

Accepted Answer

A)   [Fe(NH3) 5NO2]2+ and [Fe(NH3) 5ONO]2+
B)   [Fe(NH3) 2(H2O) 4]Cl2 and [Fe(NH3) 2(H2O) 4]Br2
C)   [Fe(NH3) 2(H2O) 4]Br2 and [Fe(NH3) 4(H2O) 2]Br2
D)   [Cu(CO) 5I]F and [Cu(CO) 5CF]I
E)   [MnCl3Br]2- and [MnClBr3]2-

Question 2

Which of the following compounds can exhibit cis-trans isomerism?

Accepted Answer

A)   [Cr(H2O) 4Cl2]+
B)   [Cu(CO) 5Cl]+
C)   [Co(CO) 3(NH3) 3]3+
D)   [Co(CO) 5ONO]2+
E)   [Fe(NH3) 6]2+

Question 3

Name the following: Fe[AlF6]

Accepted Answer

A)   ironaluminumhexafluoride
B)   iron(II)  hexafluoroaluminum
C)   iron(III)  hexafluoroaluminate
D)   iron(I)  aluminumhexafluoride
E)   aluminumhexafluoroferrate

Question 4

Choose the electron configuration for V3+.

Accepted Answer

A)   [Ar]3d2
B)   [Ar]4s23d2
C)   [Ar]4s23d4
D)   [Ar]4s2
E)   [Ne]3s23p6

Question 5

Which of the following compounds can exhibit fac-mer isomerism?

Accepted Answer

A)   [Cu(CO) 5I]+
B)   [Fe(H2O) 3(CO) 3]3+
C)   [Ni(CO) 5NO2]2+
D)   [V(NH3) 2(H2O) 4]2+
E)   [Cr(H2O) 4Br2]+

Question 6

What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion,[Fe(H2O) 4(Br) 2]+?

Accepted Answer

A)   dsp3
B)   sp3
C)   d2sp2
D)   d2sp3
E)   d2sp

Question 7

Identify the geometry of [PtCl4]2-.

Accepted Answer

A)   tetrahedral
B)   square planar
C)   linear
D)   octahedral
E)   trigonal bipyramidal

Question 8

How many unpaired electrons would you expect for the complex ion: [Co(NH3 ) 6]4+?

Accepted Answer

A)   1
B)   0
C)   5
D)   2
E)   3

Question 9

Identify the compound that an effective anticancer agent.

Accepted Answer

A)   KCN
B)   CO
C)   EDTA
D)   carbonic anhydrase
E)   cisplatin

Question 10

Identify the geometry of the complex ion if the hybridization is dsp2.

Accepted Answer

A)   square planar
B)   octahedral
C)   tetrahedral
D)   linear
E)   trigonal planar

Question 11

What is the difference between a weak-field complex and a strong-field complex?

Accepted Answer

The type of ligand attached to the centr...

Question 12

Why is +2 a common oxidation state for transition elements?

Accepted Answer

The transition metals lose their outer s...

Question 13

How many d electrons are in W O42-?

Accepted Answer

A)   0
B)   1
C)   2
D)   3

Question 14

Identify the ion that is responsible for the red color of rubies.

Accepted Answer

A)   Cr3+
B)   Cr4+
C)   Cr5+
D)   Cr6+
E)   Cr7+

Question 15

What is the ground-state electron configuration for Cr3+ (Z = 24) ?

Accepted Answer

A)   [Ar] 4s2 3d7
B)   [Ar] 4s2 3d1
C)   [Ar] 3d3
D)   [Ar] 4s1 3d2

Question 16

How many unpaired electrons would you expect for the complex ion: [Co(OH) 6]3-?

Accepted Answer

A)   1
B)   2
C)   4
D)   0
E)   3

Question 17

Choose the electron configuration for Nb3+.

Accepted Answer

A)   [Kr]5s24d2
B)   [Kr]5s2
C)   [Kr]4d2
D)   [Ar]4s23d104p6
E)   [Kr]5s24d4

Question 18

What type of hybridization (according to valence bond theory) does Pt exhibit in the complex ion,[Pt(NH3) 4]2+?

Accepted Answer

A)   dsp3
B)   sp 
C)   d2sp3
D)   d2sp
E)   dsp2

Question 19

How many moles of aqueous ions will be produced from the dissolution of 1.0 mole of Na3[FeCl6] in water?

Accepted Answer

A)   4
B)   10
C)   2
D)   9
E)   1

Question 20

Which of the following species has the electron configuration [Ar]3d6?

Accepted Answer

A)   Cr
B)   Fe3+
C)   Co3+
D)   Ni3+

Exam 25: Transition Metals and Coordination Compounds

Choose the electron configuration for Nb3+.

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Identify the geometry of [PtCl4]2-.

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How many unpaired electrons would you expect for the complex ion: [Co(NH3 ) 6]4+?

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Identify the ion that is responsible for the red color of rubies.

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Identify the geometry of the complex ion if the hybridization is dsp2.

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Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

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Which of the following compounds can exhibit cis-trans isomerism?

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What is the ground-state electron configuration for Cr3+ (Z = 24) ?

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Identify the compound that an effective anticancer agent.

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How many d electrons are in W O42-?

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Choose the electron configuration for V3+.

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How many moles of aqueous ions will be produced from the dissolution of 1.0 mole of Na3[FeCl6] in water?

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Name the following: Fe[AlF6]

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Why is +2 a common oxidation state for transition elements?

Correct AnswerverifiedThe transition metals lose their outer s...View AnswerShow Answer

What type of hybridization (according to valence bond theory) does Pt exhibit in the complex ion,[Pt(NH3) 4]2+?

Correct AnswerverifiedShow Answer

What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion,[Fe(H2O) 4(Br) 2]+?

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Which of the following species has the electron configuration [Ar]3d6?

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Which of the following compounds can exhibit fac-mer isomerism?

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How many unpaired electrons would you expect for the complex ion: [Co(OH) 6]3-?

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What is the difference between a weak-field complex and a strong-field complex?

Correct AnswerverifiedThe type of ligand attached to the centr...View AnswerShow Answer

Choose the electron configuration for Nb³⁺.

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Identify the geometry of [PtCl₄]^2-.

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How many unpaired electrons would you expect for the complex ion: [Co(NH₃ ) ₆]⁴⁺?

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Identify the geometry of the complex ion if the hybridization is dsp².

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What is the ground-state electron configuration for Cr³⁺ (Z = 24) ?

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How many d electrons are in WO₄^2-?

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Choose the electron configuration for V³⁺.

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How many moles of aqueous ions will be produced from the dissolution of 1.0 mole of Na₃[FeCl₆] in water?

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Name the following: Fe[AlF₆]

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The transition metals lose their outer s...
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What type of hybridization (according to valence bond theory) does Pt exhibit in the complex ion,[Pt(NH₃) ₄]²⁺?

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What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion,[Fe(H₂O) ₄(Br) ₂]⁺?

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Which of the following species has the electron configuration [Ar]3d⁶?

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How many unpaired electrons would you expect for the complex ion: [Co(OH) ₆]^3-?

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The type of ligand attached to the centr...
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