Question 1

The total number of electrons in the 3d orbitals of Ti3+ is

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  4F) A) and E)
G) A) and D)

Question 2

The best name for K4[FeCl2(CN) 4] is

Accepted Answer

A)  tetrapotassium dichlorodicyanoiron(II) .
B)  potassium dichlorodicyanoiron(II) .
C)  potassium dichlorodicyanoferrate(III) .
D)  tetrapotassium dichlorobis(cyano) iron(III) .
E)  potassium dichlorotetracyanoferrate(II) .F) B) and D)
G) C) and D)

Question 3

In the complex ion [ML6]n+, Mn+ has seven d electrons and L is a weak field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  5F) A) and E)
G) B) and D)

Question 4

In the following pair of complex ions, choose the one that absorbs light at a longer wavelength.

Accepted Answer

A)  [Co(H2O) 6]2+ 2O) 6]2+    
B)  [Co(NH3) 6]2+" class="answers-bank-image d-inline" rel="preload" > 
B)  [Co(NH3) 6]2+C) A) and B)
D) undefined A

Question 5

Predict the number of unpaired electrons in the [Fe(CN)6]3- ion.

Accepted Answer

Question 6

Labile complexes are coordination complexes that

Accepted Answer

A)  are labeled with a radioactive isotope.
B)  are thermodynamically stable.
C)  are thermodynamically unstable.
D)  undergo rapid ligand exchange reactions.
E)  undergo very slow ligand exchange reactions.F) A) and D)
G) A) and C)

Question 7

In the coordination compound [Co(en) 2Cl2]Cl, the coordination number and oxidation number of the central atom are, respectively,

Accepted Answer

A)  4, +3.
B)  6, +2.
C)  4, +2.
D)  6, +3.
E)  4, +1.F) A) and C)
G) C) and D)

Question 8

The correct formula for the dibromobis(oxalato)cobaltate(III)ion is [Co(C2O4)Br2]3+.

Accepted Answer

A) True 
 B)False

Question 9

Predict the number of unpaired electrons in the [CrCl6]4- ion.

Accepted Answer

4

Question 10

The numbers of geometrical isomers and optical isomers of the complex ion [Co(en) 3]3+ are, respectively,

Accepted Answer

A)  2 and 2.
B)  1 and 1.
C)  3 and 2.
D)  1 and 2.
E)  2 and 4.F) A) and E)
G) A) and B)

Question 11

Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion.

Accepted Answer

The answer of Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion....

Question 12

Name the complex ion [CuCl3Br(NH3)2]2-.

Accepted Answer

diamminebr...

Question 13

In the coordination compound [Cr(NH3) (en) 2Cl]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,

Accepted Answer

A)  C.N.= 6; O.N.= +4.
B)  C.N.= 6; O.N.= +3.
C)  C.N.= 5; O.N.= +2.
D)  C.N.= 4; O.N.= +2.
E)  C.N.= 4; O.N.= +3.F) C) and E)
G) B) and D)

Question 14

The ion [Co(NH3) 6]2+ is octahedral and high spin. This complex is

Accepted Answer

A)  paramagnetic, with 1 unpaired electron.
B)  paramagnetic, with 3 unpaired electrons.
C)  paramagnetic, with 4 unpaired electrons.
D)  paramagnetic, with 5 unpaired electrons.
E)  diamagnetic.F) C) and D)
G) A) and B)

Question 15

Write the chemical formula of diamminedichloroplatinum(II).

Accepted Answer

The answer of Write the chemical formula of diamminedichloroplatinum(II)....

Question 16

In the complex ion [ML6]n+, Mn+ has six d electrons and L is a weak field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  4F) A) and B)
G) A) and E)

Question 17

The electron configuration of a Co3+ ion is

Accepted Answer

A)  [Ar]3d6.
B)  [Ar]4s13d5.
C)  [Ar] 4s23d4.
D)  [Ar]3d5.
E)  [Ar]3d4.F) A) and C)
G) B) and D)

Question 18

Bidentate and polydentate ligands are also called chelating agents.

Accepted Answer

A) True 
 B)False

Question 19

Draw and label the geometric isomers of [CrF2Cl4]3-?

Accepted Answer

Question 20

Predict the number of unpaired electrons in the [Cr(en)3]2+ ion.

Accepted Answer

Exam 22: Transition Metal Chemistry and Coordination Compounds

The total number of electrons in the 3d orbitals of Ti3+ is

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The best name for K4[FeCl2(CN) 4] is

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In the complex ion [ML6]n+, Mn+ has seven d electrons and L is a weak field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

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In the following pair of complex ions, choose the one that absorbs light at a longer wavelength.

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Predict the number of unpaired electrons in the [Fe(CN)6]3- ion.

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Labile complexes are coordination complexes that

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In the coordination compound [Co(en) 2Cl2]Cl, the coordination number and oxidation number of the central atom are, respectively,

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The correct formula for the dibromobis(oxalato)cobaltate(III)ion is [Co(C2O4)Br2]3+.

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Predict the number of unpaired electrons in the [CrCl6]4- ion.

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The numbers of geometrical isomers and optical isomers of the complex ion [Co(en) 3]3+ are, respectively,

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Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion.

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Name the complex ion [CuCl3Br(NH3)2]2-.

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In the coordination compound [Cr(NH3) (en) 2Cl]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,

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The ion [Co(NH3) 6]2+ is octahedral and high spin. This complex is

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Write the chemical formula of diamminedichloroplatinum(II).

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In the complex ion [ML6]n+, Mn+ has six d electrons and L is a weak field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

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The electron configuration of a Co3+ ion is

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Bidentate and polydentate ligands are also called chelating agents.

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Draw and label the geometric isomers of [CrF2Cl4]3-?

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Predict the number of unpaired electrons in the [Cr(en)3]2+ ion.

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The total number of electrons in the 3d orbitals of Ti³⁺ is

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The best name for K₄[FeCl₂(CN) ₄] is

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In the complex ion [ML₆]ⁿ⁺, Mⁿ⁺ has seven d electrons and L is a weak field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

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Predict the number of unpaired electrons in the [Fe(CN)₆]^3- ion.

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In the coordination compound [Co(en) ₂Cl₂]Cl, the coordination number and oxidation number of the central atom are, respectively,

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The correct formula for the dibromobis(oxalato)cobaltate(III)ion is [Co(C₂O₄)Br₂]³⁺.

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Predict the number of unpaired electrons in the [CrCl₆]^4- ion.

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The numbers of geometrical isomers and optical isomers of the complex ion [Co(en) ₃]³⁺ are, respectively,

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Name the complex ion [CuCl₃Br(NH₃)₂]^2-.

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diamminebr...
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In the coordination compound [Cr(NH₃) (en) ₂Cl]Br₂, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,

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The ion [Co(NH₃) ₆]²⁺ is octahedral and high spin. This complex is

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In the complex ion [ML₆]ⁿ⁺, Mⁿ⁺ has six d electrons and L is a weak field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

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The electron configuration of a Co³⁺ion is

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Draw and label the geometric isomers of [CrF₂Cl₄]^3-?

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Predict the number of unpaired electrons in the [Cr(en)₃]²⁺ ion.

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