Question 1

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 2

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

Accepted Answer

4

Question 3

Bidentate and polydentate ligands are also called chelating agents.

Accepted Answer

A) True 
 B)False

Question 4

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) C) and D)
G) B) and D)

Question 5

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 6

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) A) and C)
G) C) and D)

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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) C) and D)
G) B) and D)

Question 9

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) B) and D)
G) A) and B)

Question 10

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

Accepted Answer

Question 11

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) C) and D)
G) A) and C)

Question 12

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) B) and D)
G) B) and C)

Question 13

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) C) and D)
G) A) and C)

Question 14

Write the chemical formula of diamminedichloroplatinum(II).

Accepted Answer

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

Question 15

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

Accepted Answer

diamminebr...

Question 16

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

Accepted Answer

Question 17

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) A) and B)
G) A) and C)

Question 18

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) A) and E)
G) C) and D)

Question 19

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 C)
G) B) and C)

Question 20

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

Accepted Answer

Exam 22: Transition Metal Chemistry and Coordination Compounds

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

Correct AnswerverifiedShow Answer

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

Correct Answerverified4

Bidentate and polydentate ligands are also called chelating agents.

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

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

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Labile complexes are coordination complexes that

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

Correct Answerverified11ea7cc5_01cc_ed11_a2ab_f749cc0de8c5_TB3245_00

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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The electron configuration of a Co3+ ion is

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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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Write the chemical formula of diamminedichloroplatinum(II).

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

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

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

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

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

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

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

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4

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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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A

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

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

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11ea7cc5_01cc_ed11_a2ab_f749cc0de8c5_TB3245_00

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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The electron configuration of a Co³⁺ion is

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

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

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

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The best name for K₄[FeCl₂(CN) ₄] is

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

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

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