Question 1

The formulas of mercury(I) and mercury(II)Chloride are

Accepted Answer

A)  Hg2Cl3 and HgCl2, respectively. 
B)  Hg2Cl2 and HgCl2, respectively. 
C)  HgCl and HgCl2, respectively. 
D)  Hg2Cl and HgCl2, respectively. 
E)  Hg2Cl2 and HgCl, respectively. 
A)  Hg2Cl3 and HgCl2, respectively. 
B)  Hg2Cl2 and HgCl2, respectively. 
C)  HgCl and HgCl2, respectively. 
D)  Hg2Cl and HgCl2, respectively. 
E)  Hg2Cl2 and HgCl, respectively.

Question 2

For which one of the following would it not be possible to distinguish between high-spin and low-spin complexes in octahedral geometry?

Accepted Answer

A)  Cr(II) 
B)  Co(III) 
C)  Co(II) 
D)  Fe(II) 
E)  Ni(II) 
A)  Cr(II) 
B)  Co(III) 
C)  Co(II) 
D)  Fe(II) 
E)  Ni(II)

Question 3

The complex ion [Cr(OH2)6]2+ has four unpaired electrons .This means that

Accepted Answer

A)  the complex is high-spin. 
B)  the complex is diamagnetic. 
C)  the water ligands are difficult to remove. 
D)  the complex is low-spin. 
E)  $\Delta \circ $ is very large. 
A)  the complex is high-spin. 
B)  the complex is diamagnetic. 
C)  the water ligands are difficult to remove. 
D)  the complex is low-spin. 
E)  $\Delta \circ $ is very large.

Question 4

Which of the following complexes is likely to have an absorbance maximum at 305 nm?

Accepted Answer

A)  Fe(CN)64- 
B)  Ti(OH2)63+ 
C)  Fe(OH2)63+ 
D)  Co(NH3)63+ 
A)  Fe(CN)64- 
B)  Ti(OH2)63+ 
C)  Fe(OH2)63+ 
D)  Co(NH3)63+

Question 5

Which of the following complex ions has the largest d-orbital splitting energy?

Accepted Answer

A)  [Co(NH3)6]3+  
B)  [Co(CN)6]3-  
C)  [Co(ox)3]3-  
D)  [CoCl6]3-  
E)  [Co(OH2)6]3+  
A)  [Co(NH3)6]3+  
B)  [Co(CN)6]3-  
C)  [Co(ox)3]3-  
D)  [CoCl6]3-  
E)  [Co(OH2)6]3+

Question 6

The properties of the transition metals vary greatly but they all have

Accepted Answer

A)  high densities and high melting points. 
B)  the same physical properties. 
C)  oxides that are used to produce alloys. 
D)  low boiling points. 
E)  the same strength as their alloys. 
A)  high densities and high melting points. 
B)  the same physical properties. 
C)  oxides that are used to produce alloys. 
D)  low boiling points. 
E)  the same strength as their alloys.

Question 7

How many geometric isomers are possible for the complex[Co(en)(OH2)Cl3]?

Accepted Answer

A)  3 
B)  2 
C)  4 
D)  5 
E)  0 
A)  3 
B)  2 
C)  4 
D)  5 
E)  0

Question 8

The molecule Pt(NH3)2Br2 is square planar and has a dipole .What does this indicate about the orientation of the ligands about the central metal atom?

Accepted Answer

A)  It is a trans isomer 
B)  It is a cis isomer 
C)  It is a tetrahedral isomer 
D)  Any lone electron pairs it contains must be cis to each other 
E)  It does not give any indication of the orientation of the ligands. 
A)  It is a trans isomer 
B)  It is a cis isomer 
C)  It is a tetrahedral isomer 
D)  Any lone electron pairs it contains must be cis to each other 
E)  It does not give any indication of the orientation of the ligands.

Question 9

All of the following complexes are low-spin except

Accepted Answer

A)  Co(CN)63-. 
B)  Co(NH3)63+. 
C)  Rh(NH3)63+. 
D)  Co(en)33+. 
E)  CoCl42-. 
A)  Co(CN)63-. 
B)  Co(NH3)63+. 
C)  Rh(NH3)63+. 
D)  Co(en)33+. 
E)  CoCl42-.

Question 10

Which of the following complexes is chiral?

Accepted Answer

A)  [Co(en)3]3+ 
B)  [RuCl3(CN)3]3- 
C)  [Co(NH3)6]3+ 
D)  trans-[Cr(en)3]3+ 
A)  [Co(en)3]3+ 
B)  [RuCl3(CN)3]3- 
C)  [Co(NH3)6]3+ 
D)  trans-[Cr(en)3]3+

Question 11

A $ \pi $-bonding ligand always gives a larger ligand field splitting energy than a $\sigma $-bonding ligand.

Accepted Answer

A) True 
 B)False

Question 12

A ligand is

Accepted Answer

A)  a Lewis base. 
B)  necessary in a complex to balance the charge on the metal ion. 
C)  used to force octahedral geometry on a metal ion. 
D)  a Lewis acid. 
E)  used to precipitate metal ions from aqueous solution. 
A)  a Lewis base. 
B)  necessary in a complex to balance the charge on the metal ion. 
C)  used to force octahedral geometry on a metal ion. 
D)  a Lewis acid. 
E)  used to precipitate metal ions from aqueous solution.

Question 13

What do all rhodium complexes have in common?

Accepted Answer

They are a

Question 14

In the following reaction,
what acts as the Lewis acid?
MgO(s)+ SO2(g) $ \rightarrow $   MgSO3(s)

Accepted Answer

Question 15

Which of the following complex ions is colorless?

Accepted Answer

A)  [Cr(OH2)6]3+  
B)  [Ti(OH2)6]3+  
C)  [Ni(OH2)6]2+  
D)  [V(OH2)6]2+  
E)  [Zn(OH2)6]2+  
A)  [Cr(OH2)6]3+  
B)  [Ti(OH2)6]3+  
C)  [Ni(OH2)6]2+  
D)  [V(OH2)6]2+  
E)  [Zn(OH2)6]2+

Question 16

How many geometric isomers are possible for tris(glycinato)cobalt(III)?

Accepted Answer

A)  5 
B)  2 
C)  0 
D)  3 
E)  4 
A)  5 
B)  2 
C)  0 
D)  3 
E)  4

Question 17

Which of the following is expected to be the best oxidizing agent?

Accepted Answer

A)  Cu+(aq) 
B)  Ti3+(aq) 
C)  CrO42-(aq) 
D)  VO2+  
E)  Cr2+(aq) 
A)  Cu+(aq) 
B)  Ti3+(aq) 
C)  CrO42-(aq) 
D)  VO2+  
E)  Cr2+(aq)

Question 18

Of the following, which possesses the smallest atomic radius?

Accepted Answer

A)  Cd 
B)  Zn 
C)  Mo 
D)  Pd 
E)  Ru 
A)  Cd 
B)  Zn 
C)  Mo 
D)  Pd 
E)  Ru

Question 19

Which of the following complexes is high-spin?

Accepted Answer

A)  Cu(en)32+ 
B)  Cr(OH2)63+ 
C)  Ni(en)32+ 
D)  Cr(OH2)62+ 
A)  Cu(en)32+ 
B)  Cr(OH2)63+ 
C)  Ni(en)32+ 
D)  Cr(OH2)62+

Question 20

The ligand 4-cyanopyridine can form _____ complex(es)with penataamminecobalt(III).

Accepted Answer

The answer of The ligand 4-cyanopyridine can form _____ complex(es)with...

The formulas of mercury(I) and mercury(II)Chloride are

For which one of the following would it not be possible to distinguish between high-spin and low-spin complexes in octahedral geometry?

The complex ion [Cr(OH₂)₆]²⁺ has four unpaired electrons .This means that

Which of the following complexes is likely to have an absorbance maximum at 305 nm?

Which of the following complex ions has the largest d-orbital splitting energy?

The properties of the transition metals vary greatly but they all have

How many geometric isomers are possible for the complex[Co(en)(OH₂)Cl₃]?

The molecule Pt(NH₃)₂Br₂ is square planar and has a dipole .What does this indicate about the orientation of the ligands about the central metal atom?

All of the following complexes are low-spin except

Which of the following complexes is chiral?

A $\pi$ -bonding ligand always gives a larger ligand field splitting energy than a $\sigma$ -bonding ligand.

A ligand is

What do all rhodium complexes have in common?

In the following reaction, what acts as the Lewis acid? MgO(s)+ SO₂(g) $\rightarrow$ MgSO₃(s)

Which of the following complex ions is colorless?

How many geometric isomers are possible for tris(glycinato)cobalt(III)?

Which of the following is expected to be the best oxidizing agent?

Of the following, which possesses the smallest atomic radius?

Which of the following complexes is high-spin?

The ligand 4-cyanopyridine can form _____ complex(es)with penataamminecobalt(III).

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

Nuclear Chemistry

Organic Chemistry

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Exam 9: The D-Block Elements

The formulas of mercury(I) and mercury(II)Chloride are

For which one of the following would it not be possible to distinguish between high-spin and low-spin complexes in octahedral geometry?

The complex ion [Cr(OH2)6]2+ has four unpaired electrons .This means that

Which of the following complexes is likely to have an absorbance maximum at 305 nm?

Which of the following complex ions has the largest d-orbital splitting energy?

The properties of the transition metals vary greatly but they all have

How many geometric isomers are possible for the complex[Co(en)(OH2)Cl3]?

The molecule Pt(NH3)2Br2 is square planar and has a dipole .What does this indicate about the orientation of the ligands about the central metal atom?

All of the following complexes are low-spin except

Which of the following complexes is chiral?

A π \pi π -bonding ligand always gives a larger ligand field splitting energy than a σ\sigma σ -bonding ligand.

A ligand is

What do all rhodium complexes have in common?

In the following reaction, what acts as the Lewis acid? MgO(s)+ SO2(g) → \rightarrow → MgSO3(s)

Which of the following complex ions is colorless?

How many geometric isomers are possible for tris(glycinato)cobalt(III)?

Which of the following is expected to be the best oxidizing agent?

Of the following, which possesses the smallest atomic radius?

Which of the following complexes is high-spin?

The ligand 4-cyanopyridine can form _____ complex(es)with penataamminecobalt(III).

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

Nuclear Chemistry

Organic Chemistry

Filters

The complex ion [Cr(OH₂)₆]²⁺ has four unpaired electrons .This means that

How many geometric isomers are possible for the complex[Co(en)(OH₂)Cl₃]?

The molecule Pt(NH₃)₂Br₂ is square planar and has a dipole .What does this indicate about the orientation of the ligands about the central metal atom?

A $\pi$ -bonding ligand always gives a larger ligand field splitting energy than a $\sigma$ -bonding ligand.

In the following reaction, what acts as the Lewis acid? MgO(s)+ SO₂(g) $\rightarrow$ MgSO₃(s)