Question 1

Which of the following atoms has the biggest radius?

Accepted Answer

A)   Ti
B)   Cr
C)   Fe
D)   Ni
E)   ZnF) A) and C)
G) A) and E)

Question 2

Which of the following should be the strongest reducing agent?

Accepted Answer

A)   Fe
B)   Ru
C)   Os
D)   Re
E)   CuF) B) and D)
G) B) and E)

Question 3

Which of the following ions could exist in either the high-spin or low-spin state in an octahedral complex?

Accepted Answer

A)   Sc3+
B)   Ni2+
C)   Mn2+
D)   Ti4+
E)   Zn2+F) A) and B)
G) C) and D)

Question 4

The conversion of the chromate ion (CrO42-) to the dichromate ion (Cr2O72-) is a redox process.

Accepted Answer

A) True 
 B)False

Question 5

The permanganate ion (MnO4-) is a powerful reducing agent.

Accepted Answer

A) True 
 B)False

Question 6

The compound Rh(CO)(H)(PH3)2 forms cis and trans isomers. Use this information to predict the geometry of this complex, and draw the geometric isomers.

Accepted Answer

The complex has four ligands a...

Question 7

If a solution absorbs green light, what is its likely color?

Accepted Answer

A)   red
B)   violet
C)   orange
D)   yellow
E)   blueF) C) and E)
G) A) and D)

Question 8

The Cu2+ ion has 1 unpaired electron.

Accepted Answer

A) True 
 B)False

Question 9

Of the 3d transition series of elements, zinc has the greatest atomic radius.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following octahedral complexes should have the largest crystal field splitting energy, ?

Accepted Answer

A)   [Cr(H2O) 6]3+
B)   [Cr(SCN) 6]3-
C)   [Cr(NH3) 6]3+
D)   [Cr(CN) 6]3-
E)   [Cr(en) 3]3+ (en = ethylenediamine) F) A) and D)
G) B) and D)

Question 11

The inner transition series of elements arise from the filling of f orbitals.

Accepted Answer

A) True 
 B)False

Question 12

Of the 3d transition series of elements, scandium has the greatest atomic radius.

Accepted Answer

A) True 
 B)False

Question 13

In the formation of a transition metal complex, the central metal atom or ion acts as

Accepted Answer

A)   an Arrhenius acid.
B)   a Bronsted-Lowry acid.
C)   a Bronsted-Lowry base.
D)   a Lewis acid.
E)   a Lewis base.F) A) and B)
G) None of the above

Question 14

Which of the following is not a property of silver that is important in black and white photography?

Accepted Answer

A)   Silver halides are not soluble in water.
B)   Silver metal is easily oxidized.
C)   Silver halides undergo a redox reaction when exposed to light.
D)   Silver ions will form stable, water-soluble complex ions.
E)   Silver atoms catalyze the reduction of silver ions.F) B) and E)
G) All of the above

Question 15

The oxidation and coordination numbers of cobalt in the compound [Co(NH3) 5Cl]Cl2 are, respectively:

Accepted Answer

A)   2 and 6.
B)   2 and 8.
C)   3 and 6.
D)   3 and 8.
E)   none of the aboveF) C) and D)
G) A) and C)

Question 16

The M2+ ions of the first transition series of elements all have the general electronic configuration [Ar]4s23dx, where x is an integer from 1 to 8.

Accepted Answer

A) True 
 B)False

Question 17

Give the systematic name for Cr(CO) 3(NH3) 3.

Accepted Answer

A)   chromiumtriaminotricarbonyl
B)   triamminechromium carbonate
C)   triamminetricarbonylchromate(0) 
D)   triamminetricarbonylchromium(0) 
E)   none of the aboveF) B) and C)
G) D) and E)

Question 18

Apply the valence bond theory to predict the electronic structure and hybridization pattern of chromium in the complex ion Cr(NH3)63+.

Accepted Answer

The three d electrons of the Cr(III) wil...

Question 19

Which of the following will be the strongest oxidizing agent?

Accepted Answer

A)   Cr
B)   Cr(II) 
C)   Cr(III) 
D)   Cr(IV) 
E)   Cr(VI) F) B) and D)
G) B) and E)

Question 20

Octahedral complexes can exhibit geometric, optical, and linkage isomerism.

Accepted Answer

A) True 
 B)False

Exam 23: The Transition Elements and Their Coordination Compounds

The M2+ ions of the first transition series of elements all have the general electronic configuration [Ar]4s23dx, where x is an integer from 1 to 8.

Correct AnswerverifiedShow Answer

Of the 3d transition series of elements, scandium has the greatest atomic radius.

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The compound Rh(CO)(H)(PH3)2 forms cis and trans isomers. Use this information to predict the geometry of this complex, and draw the geometric isomers.

Correct AnswerverifiedThe complex has four ligands a...View AnswerShow Answer

Octahedral complexes can exhibit geometric, optical, and linkage isomerism.

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Give the systematic name for Cr(CO) 3(NH3) 3.

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Which of the following atoms has the biggest radius?

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The conversion of the chromate ion (CrO42-) to the dichromate ion (Cr2O72-) is a redox process.

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Which of the following should be the strongest reducing agent?

Correct AnswerverifiedShow Answer

The oxidation and coordination numbers of cobalt in the compound [Co(NH3) 5Cl]Cl2 are, respectively:

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Which of the following will be the strongest oxidizing agent?

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The Cu2+ ion has 1 unpaired electron.

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Which of the following octahedral complexes should have the largest crystal field splitting energy, ?

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If a solution absorbs green light, what is its likely color?

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Which of the following is not a property of silver that is important in black and white photography?

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The permanganate ion (MnO4-) is a powerful reducing agent.

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Which of the following ions could exist in either the high-spin or low-spin state in an octahedral complex?

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Apply the valence bond theory to predict the electronic structure and hybridization pattern of chromium in the complex ion Cr(NH3)63+.

Correct AnswerverifiedThe three d electrons of the Cr(III) wil...View AnswerShow Answer

The inner transition series of elements arise from the filling of f orbitals.

Correct AnswerverifiedShow Answer

Of the 3d transition series of elements, zinc has the greatest atomic radius.

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In the formation of a transition metal complex, the central metal atom or ion acts as

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The M²⁺ions of the first transition series of elements all have the general electronic configuration [Ar]4s²3d^x, where x is an integer from 1 to 8.

Correct Answer
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The compound Rh(CO)(H)(PH₃)₂ forms cis and trans isomers. Use this information to predict the geometry of this complex, and draw the geometric isomers.

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The complex has four ligands a...
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Give the systematic name for Cr(CO) ₃(NH₃) ₃.

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The conversion of the chromate ion (CrO₄^2-) to the dichromate ion (Cr₂O₇^2-) is a redox process.

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The oxidation and coordination numbers of cobalt in the compound [Co(NH₃) ₅Cl]Cl₂ are, respectively:

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The Cu²⁺ ion has 1 unpaired electron.

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The permanganate ion (MnO₄^-) is a powerful reducing agent.

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Apply the valence bond theory to predict the electronic structure and hybridization pattern of chromium in the complex ion Cr(NH₃)₆³⁺.

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The three d electrons of the Cr(III) wil...
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