Question 1

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

Accepted Answer

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

Question 2

Which of the following will be paramagnetic?

Accepted Answer

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

Question 3

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

Accepted Answer

A)  1s22s22p63s23p64s13d9
B)  1s22s22p63s23p64s14d9
C)  1s22s22p63s23p64s23d8
D)  1s22s22p63s23p64s24d8
E)  1s22s22p63s23p63d10F) All of the above
G) A) and B)

Question 4

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

Question 5

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 B)
G) C) and D)

Question 6

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

Question 7

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 B)

Question 8

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 E)
G) A) and E)

Question 9

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

Accepted Answer

Question 10

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 D)
G) C) and D)

Question 11

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) None of the above
G) B) and D)

Question 12

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 13

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

Accepted Answer

A)  Red
B)  Violet
C)  Orange
D)  Yellow
E)  BlueF) B) and E)
G) None of the above

Question 14

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 D)
G) A) and C)

Question 15

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

Question 16

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) A) and E)
G) None of the above

Question 17

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 B)
G) None of the above

Question 18

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 E)

Question 19

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 D)
G) All of the above

Question 20

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

Exam 22: Coordination Chemistry

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

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

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

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

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Which statement is correct about transition metals?

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

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

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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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Write the formula for sodium tetracyanonickelate(II) .

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

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

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

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

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

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

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

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

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

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