Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

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 4

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

Question 5

Which of the following will be paramagnetic?

Accepted Answer

A)   V5+
B)   Ni2+
C)   Mn7+
D)   Ti4+
E)   ZnF) A) and D)
G) None of the above

Question 6

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) All of the above
G) D) and E)

Question 7

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) None of the above
G) All of the above

Question 8

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

Question 9

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) D) and E)
G) B) and D)

Question 10

Square planar complexes can exhibit both geometric and optical isomerism.

Accepted Answer

A) True 
 B)False

Question 11

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 C)
G) A) and E)

Question 12

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

Question 13

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 14

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

Question 15

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 B)
G) A) and E)

Question 16

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) A) and E)
G) A) and B)

Question 17

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

Question 18

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) B) and D)
G) B) and E)

Question 19

Tetrahedral complexes can exhibit both optical and linkage isomerism.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

Exam 23: The Transition Elements and Their Coordination Compounds

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

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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

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

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A characteristic of ligands is that

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

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Which of the following is considered a bidentate ligand?

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Square planar complexes can exhibit both geometric and optical isomerism.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Write the formula for sodium tetracyanonickelate(II) .

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

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

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

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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

Which of the following will be paramagnetic?

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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

Tetrahedral complexes can exhibit both optical and linkage isomerism.

Correct AnswerverifiedShow Answer

Write the formula for diamminedichloroethylenediaminecobalt(III) bromide.

Correct AnswerverifiedShow Answer

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a. protective/decorative chromium platin...
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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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Valence Bond theory rationalizes octahedral geometry by assuming a d²sp³ hybridization pattern.

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

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

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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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