Question 1

Valence Bond theory rationalizes octahedral geometry by assuming a d2sp3 hybridization pattern.

Accepted Answer

A) True 
 B)False

Question 2

Tetrahedral complexes can exhibit both optical and linkage isomerism.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following ligands is most likely to form a low-spin octahedral complex with iron(III) ?

Accepted Answer

A)   Cl-
B)   H2O
C)   NH3
D)   OH-
E)   COF) A) and D)
G) A) and C)

Question 4

Give one important use of the following metals or their compounds.
a. chromium
b. manganese
c. mercury
d. silver

Accepted Answer

a. protective/decorative chromium platin...

Question 5

Write the formula for sodium tetracyanonickelate(II) .

Accepted Answer

A)   Na[Ni(CN) 4]
B)   Na[Ni(CN) 4]2
C)   Na2[Ni(CN) 4]
D)   Na4[Ni(CN) 4]
E)   none of the aboveF) All of the above
G) B) and C)

Question 6

The most common oxidation state for ions of the inner transition elements is

Accepted Answer

A)   +2.
B)   +3.
C)   +4.
D)   +5.
E)   +7.F) A) and D)
G) A) and C)

Question 7

A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form an ionic bond with chlorine?

Accepted Answer

A)   +2
B)   +3
C)   +4
D)   +5
E)   +6F) B) and D)
G) None of the above

Question 8

Which of the following is considered a bidentate ligand?

Accepted Answer

A)   cyanide, CN-
B)   thiocyanate, SCN-
C)   oxalate, C2O42-
D)   nitrite, NO2-
E)   hydroxide, OH-F) C) and E)
G) A) and B)

Question 9

A characteristic of ligands is that

Accepted Answer

A)   they are Lewis acids.
B)   they are Lewis bases.
C)   they are ions.
D)   they are electron pair acceptors.
E)   they are Brønsted-Lowry acids.F) A) and C)
G) A) and B)

Question 10

a. State the requirement for two molecules to be optical isomers.
b. A complex ion MABCD2+ (where A, B, C, and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Accepted Answer

a. The molecules must be non-s...

Question 11

Square planar complexes can exhibit both geometric and optical isomerism.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following will be paramagnetic?

Accepted Answer

A)   V5+
B)   Ni2+
C)   Mn7+
D)   Ti4+
E)   ZnF) B) and E)
G) A) and E)

Question 13

Which of the following elements has the ground state electron configuration, [Xe]4f145d106s1?

Accepted Answer

A)   Hg
B)   Ag
C)   Hf
D)   Au
E)   ThF) B) and C)
G) B) and E)

Question 14

Write the formula for diamminedichloroethylenediaminecobalt(III)  bromide.

Accepted Answer

A)   [CoCl2(en) (NH3) 2]Br
B)   [CoCl2(en) (NH3)  2]Br2
C)   [CoCl2(en) 2(NH3) 2]Br
D)   [CoCl2(en) 2(NH3)  2]Br2
E)   none of the aboveF) B) and E)
G) B) and D)

Question 15

Which one of the following has the ground state electron configuration [Ar]3d104s1?

Accepted Answer

A)   In+
B)   Cd2+
C)   Ag+
D)   Ag
E)   CuF) C) and E)
G) All of the above

Question 16

What geometry is particularly common for complexes of d10 metal ions?

Accepted Answer

Question 17

A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?

Accepted Answer

A)   +2
B)   +3
C)   +4
D)   +5
E)   +6F) B) and E)
G) A) and B)

Question 18

Give the systematic name for [Cu(NH3) 4]Cl2.

Accepted Answer

A)   dichlorotetraamminecuprate(II) 
B)   tetraamminecopper(II)  chloride
C)   copper(II)  ammonium chloride
D)   tetraaminocopper(II)  chloride
E)   none of the aboveF) A) and B)
G) A) and C)

Question 19

Which of the following ligands is most likely to form a high spin octahedral complex with cobalt(II) ?

Accepted Answer

A)   CN-
B)   en (ethylenediamine) 
C)   NO2-
D)   CO
E)   I-F) B) and C)
G) B) and E)

Question 20

In a coordination compound involving a complex ion of square planar geometry, which of the following types of isomerism is/are never possible?

Accepted Answer

A)   geometric
B)   optical
C)   linkage
D)   coordination
E)   more than one of the aboveF) A) and B)
G) B) and E)

Exam 23: The Transition Elements and Their Coordination Compounds

Which one of the following has the ground state electron configuration [Ar]3d104s1?

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Tetrahedral complexes can exhibit both optical and linkage isomerism.

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Valence Bond theory rationalizes octahedral geometry by assuming a d2sp3 hybridization pattern.

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Which of the following is considered a bidentate ligand?

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Give one important use of the following metals or their compounds. a. chromium b. manganese c. mercury d. silver

Correct Answerverifieda. protective/decorative chromium platin...View AnswerShow Answer

Which of the following elements has the ground state electron configuration, [Xe]4f145d106s1?

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Which of the following will be paramagnetic?

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Which of the following ligands is most likely to form a high spin octahedral complex with cobalt(II) ?

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Give the systematic name for [Cu(NH3) 4]Cl2.

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Write the formula for sodium tetracyanonickelate(II) .

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A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?

Correct AnswerverifiedShow Answer

A characteristic of ligands is that

Correct AnswerverifiedShow Answer

What geometry is particularly common for complexes of d10 metal ions?

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a. State the requirement for two molecules to be optical isomers. b. A complex ion MABCD2+ (where A, B, C, and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Correct Answerverifieda. The molecules must be non-s...View AnswerShow Answer

The most common oxidation state for ions of the inner transition elements is

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Square planar complexes can exhibit both geometric and optical isomerism.

Correct AnswerverifiedShow Answer

In a coordination compound involving a complex ion of square planar geometry, which of the following types of isomerism is/are never possible?

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A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form an ionic bond with chlorine?

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Write the formula for diamminedichloroethylenediaminecobalt(III) bromide.

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Which of the following ligands is most likely to form a low-spin octahedral complex with iron(III) ?

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Which one of the following has the ground state electron configuration [Ar]3d¹⁰4s¹?

Correct Answer
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Valence Bond theory rationalizes octahedral geometry by assuming a d²sp³ hybridization pattern.

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a. protective/decorative chromium platin...
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Which of the following elements has the ground state electron configuration, [Xe]4f¹⁴5d¹⁰6s¹?

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Give the systematic name for [Cu(NH₃) ₄]Cl₂.

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What geometry is particularly common for complexes of d¹⁰ metal ions?

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a. State the requirement for two molecules to be optical isomers. b. A complex ion MABCD²⁺ (where A, B, C, and D are different unidentate ligands) rotates the plane of polarized light. Deduce the geometry of the complex and draw the optical isomers of this ionic formula.

Correct Answer
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a. The molecules must be non-s...
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