Question 1

The complex ion [Cr(CN) 6]4- has magnetic properties that correspond to how many unpaired electrons?

Accepted Answer

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

Question 2

What is 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)   tetramminecopper(II)  dichlorideF) A) and D)
G) C) and D)

Question 3

________ ________ are nonsuperimposable mirror images of each other.

Accepted Answer

The answer of ________ ________ are nonsuperimposable mirror images of...

Question 4

The compound K3[Fe(CN) 6] is used in calico printing and wool dyeing. What is its systematic name?

Accepted Answer

A)   potassium iron(III)  hexacyanate
B)   tripotassium iron(III)  hexacyanate
C)   potassium hexacyanoferrate(III) 
D)   potassium hexacyanideferrate
E)   tripotassium hexacyanoiron(III) F) A) and B)
G) B) and E)

Question 5

The method of distinguishing between the stability of a complex ion and its tendency to react in an exchange reaction is known as which of the following?

Accepted Answer

A)   Exchange number
B)   Coordination kinetics
C)   Reaction rate
D)   Kinetic lability
E)   ComplexationF) All of the above
G) C) and E)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

What is used to measure the rotation of polarized light as it passes through an atom?

Accepted Answer

The answer of What is used to measure the rotation...

Question 8

How many geometrical isomers are possible for the complex ion [Pt(NH3)2Cl4]?

Accepted Answer

Question 9

A complex ion and one or more counter ions are often the components of what type of compounds?

Accepted Answer

Coordinati...

Question 10

What is the electron configuration of a ground-state Cu atom?

Accepted Answer

A)   1s22s22p63s23p64s13d10
B)   1s22s22p63s23p63d10
C)   1s22s22p63s23p64s14d10
D)   1s22s22p63s23p64s24d9
E)   1s22s22p63s23p64s23d9F) C) and E)
G) B) and C)

Question 11

What is the electron configuration of a ground-state Ag atom?

Accepted Answer

A)   [Kr]5s14d10
B)   [Kr]5s15d10
C)   [Kr]5s24d9
D)   [Kr]5s25d9
E)   [Kr]5d10F) B) and C)
G) B) and D)

Question 12

Molecules or ions that surround the metal in a complex ion are called ________.

Accepted Answer

The answer of Molecules or ions that surround the metal...

Question 13

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)   Na[(NiCN) 4]F) D) and E)
G) A) and C)

Question 14

Cis-trans isomerism is exhibited by which one of these ions?

Accepted Answer

A)   [Pd(NH3) 3Cl]+
B)   [Co(NH3) 5Cl]2+
C)   [Fe(CN) 6]3-
D)   All of the choices are correct.
E)   None of these choices.F) A) and D)
G) B) and E)

Question 15

The best name for K[Cr(NH3) 2Cl2(CN) 2] is:

Accepted Answer

A)   potassium diamminedichlorodicyanochromate(III) 
B)   potassium diamminedichlorodicyanochromium(III) 
C)   potassium diamminedichlorochromatium(III)  cyanide
D)   potassium diamminedichlorochromate(II)  cyanide
E)   potassium diamminedichlorodicyanochromate(II) F) D) and E)
G) All of the above

Question 16

Two well-known complex ions containing Ni are [Ni(H2O) 6]2+, which is green, and [Ni(en) 3]2+, which is purple. Which one of these statements is true?

Accepted Answer

A)   The crystal field splitting energy (Δ)  is greater for [Ni(en) 3]2+ than for [Ni(H2O) 6]2+.
B)   [Ni(en) 3]2+ absorbs energy in the red region of the spectrum.
C)   Both complex ions are diamagnetic.
D)   [Ni(H2O) 6]2+ transmits light with wavelengths of approximately 650-700 nm.
E)   The green complex absorbs green light.F) None of the above
G) A) and C)

Question 17

How many unpaired electrons will there be in a high-spin octahedral complex of Fe(II) ?

Accepted Answer

A)   0
B)   2
C)   4
D)   6
E)   8F) C) and D)
G) B) and E)

Question 18

In the compound K[Co(C2O4) 2(H2O) 2] (where C2O42- = oxalate)  the oxidation number and coordination number of cobalt are ________ and ________, respectively.

Accepted Answer

A)   -1; 4
B)   -1; 6
C)   +3; 4
D)   +3; 6
E)   +1; 6F) A) and D)
G) B) and C)

Question 19

What is the systematic name for Cr(CO) 3(NH3) 3?

Accepted Answer

A)   chromiumtriaminotricarbonyl
B)   triamminechromium carbonate
C)   triamminetricarbonylchromate(0) 
D)   triamminetricarbonylchromium(0) 
E)   tris(amino) tris(carbonyl) chromiumF) A) and E)
G) D) and E)

Question 20

How many 4d electrons does a ground-state Cd2+ ion have?

Accepted Answer

A)   8
B)   2
C)   9
D)   7
E)   10F) C) and D)
G) A) and D)

Exam 22: Coordination Chemistry

In the compound K[Co(C2O4) 2(H2O) 2] (where C2O42- = oxalate) the oxidation number and coordination number of cobalt are ________ and ________, respectively.

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What is the systematic name for Cr(CO) 3(NH3) 3?

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What is the electron configuration of a ground-state Cu atom?

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What is used to measure the rotation of polarized light as it passes through an atom?

Correct AnswerverifiedShow Answer

The complex ion [Cr(CN) 6]4- has magnetic properties that correspond to how many unpaired electrons?

Correct AnswerverifiedShow Answer

Molecules or ions that surround the metal in a complex ion are called ________.

Correct AnswerverifiedShow Answer

Cis-trans isomerism is exhibited by which one of these ions?

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How many unpaired electrons will there be in a high-spin octahedral complex of Fe(II) ?

Correct AnswerverifiedShow Answer

What is the electron configuration of a ground-state Ag atom?

Correct AnswerverifiedShow Answer

The compound K3[Fe(CN) 6] is used in calico printing and wool dyeing. What is its systematic name?

Correct AnswerverifiedShow Answer

Write the formula for sodium tetracyanonickelate(II) .

Correct AnswerverifiedShow Answer

The method of distinguishing between the stability of a complex ion and its tendency to react in an exchange reaction is known as which of the following?

Correct AnswerverifiedShow Answer

Two well-known complex ions containing Ni are [Ni(H2O) 6]2+, which is green, and [Ni(en) 3]2+, which is purple. Which one of these statements is true?

Correct AnswerverifiedShow Answer

What is the systematic name for [Cu(NH3) 4]Cl2?

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The best name for K[Cr(NH3) 2Cl2(CN) 2] is:

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

Correct AnswerverifiedShow Answer

A complex ion and one or more counter ions are often the components of what type of compounds?

Correct AnswerverifiedCoordinati...View AnswerShow Answer

How many geometrical isomers are possible for the complex ion [Pt(NH3)2Cl4]?

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How many 4d electrons does a ground-state Cd2+ ion have?

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________ ________ are nonsuperimposable mirror images of each other.

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In the compound K[Co(C₂O₄) ₂(H₂O) ₂] (where C₂O₄^2- = oxalate) the oxidation number and coordination number of cobalt are and , respectively.

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What is the systematic name for Cr(CO) ₃(NH₃) ₃?

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The complex ion [Cr(CN) ₆]^4- has magnetic properties that correspond to how many unpaired electrons?

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The compound K₃[Fe(CN) ₆] is used in calico printing and wool dyeing. What is its systematic name?

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Two well-known complex ions containing Ni are [Ni(H₂O) ₆]²⁺, which is green, and [Ni(en) ₃]²⁺, which is purple. Which one of these statements is true?

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What is the systematic name for [Cu(NH₃) ₄]Cl₂?

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The best name for K[Cr(NH₃) ₂Cl₂(CN) ₂] is:

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

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Coordinati...
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How many geometrical isomers are possible for the complex ion [Pt(NH₃)₂Cl₄]?

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How many 4d electrons does a ground-state Cd²⁺ ion have?

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are nonsuperimposable mirror images of each other.

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