Question 1

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

Question 2

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

Question 3

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) All of the above
G) A) and C)

Question 4

Which statement is correct about transition metals?

Accepted Answer

A)  They have incompletely filled d subshells.
B)  They form ions with incompletely filled d subshells.
C)  They form paramagnetic compounds.
D)  They have catalytic activity.
E)  All of the answers are correct.F) B) and E)
G) C) and D)

Question 5

Which of the following will be paramagnetic?

Accepted Answer

A)  V5+
B)  Ni2+
C)  Mn7+
D)  Ti4+
E)  Zn2+F) A) and B)
G) A) and C)

Question 6

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

Accepted Answer

Question 7

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

Accepted Answer

A)  Cr2+
B)  Mn4+
C)  Fe3+
D)  Co3+
E)  Ni2+F) C) and D)
G) A) and B)

Question 8

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

Question 9

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

Question 10

What is the systematic name for [Ru(NH3) 2(en) ](NO3) 2?

Accepted Answer

A)  (ethylenediamine) diammineruthenium(II) nitrate
B)  diamminebis(ethylenediamine) ruthenium(III) nitrate
C)  diammine(ethylenediamine) ruthenium(II) nitrate
D)  diammine(ethylenediamine) nitratoruthenium(III) 
E)  bis(ethylene) diamminenitratoruthenate(II) F) A) and D)
G) B) and D)

Question 11

The atom in a ligand that is bound directly to the metal atom is known as the ______ _______.

Accepted Answer

The answer of The atom in a ligand that is...

Question 12

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

Accepted Answer

A)  Red
B)  Violet
C)  Orange
D)  Yellow
E)  BlueF) A) and E)
G) All of the above

Question 13

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 C)
G) C) and D)

Question 14

How many donor atoms enable EDTA to form a stable complex ion with lead?

Accepted Answer

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

Question 15

What is the label used for an isomer which is levorotatory?

Accepted Answer

The answer of What is the label used for an...

Question 16

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

Question 17

In the complex ion [Cr(C2O4) 2(H2O) 2]-,what is the oxidation number of Cr?

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  -2
E)  -1F) A) and E)
G) A) and D)

Question 18

What is the electron configuration of a ground-state Fe2+ ion?

Accepted Answer

A)  [Ar]3d5
B)  [Ar]4s13d5
C)  [Ar]3d6
D)  [Ar]4s14d5
E)  [Ar]4d6F) B) and C)
G) All of the above

Question 19

In the complex ion [Co(en) 2Br2]+,what is the oxidation number of Co?

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  -2
E)  -1F) C) and D)
G) A) and D)

Question 20

What is the electron configuration of a ground-state Zn2+ ion?

Accepted Answer

A)  1s22s22p63s23p64s13d9
B)  1s22s22p63s23p64s14d9
C)  1s22s22p63s23p64s23d8
D)  1s22s22p63s23p64s24d8
E)  1s22s22p63s23p63d10F) C) and D)
G) B) and E)

Exam 22: Coordination Chemistry

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

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Write the formula for sodium tetracyanonickelate(II) .

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How many donor atoms enable EDTA to form a stable complex ion with lead?

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

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What is the label used for an isomer which is levorotatory?

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

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In the complex ion [Co(en) 2Br2]+,what is the oxidation number of Co?

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

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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 Fe2+ ion?

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

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What is the electron configuration of a ground-state Zn2+ ion?

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Which of the following will be paramagnetic?

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In the complex ion [Cr(C2O4) 2(H2O) 2]-,what is the oxidation number of Cr?

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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 numbers of geometrical isomers and optical isomers of the complex ion [Co(en) 3]3+ are,respectively,

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Which statement is correct about transition metals?

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The atom in a ligand that is bound directly to the metal atom is known as the ______ _______.

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What is the systematic name for [Ru(NH3) 2(en) ](NO3) 2?

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

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

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In the complex ion [Co(en) ₂Br₂]⁺,what is the oxidation number of Co?

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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 Fe²⁺ ion?

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What is the electron configuration of a ground-state Zn²⁺ ion?

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In the complex ion [Cr(C₂O₄) ₂(H₂O) ₂]^-,what is the oxidation number of Cr?

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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 numbers of geometrical isomers and optical isomers of the complex ion [Co(en) ₃]³⁺ are,respectively,

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The atom in a ligand that is bound directly to the metal atom is known as the _.

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What is the systematic name for [Ru(NH₃) ₂(en) ](NO₃) ₂?

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