Question 1

Of the following,which possesses the smallest atomic radius?

Accepted Answer

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

Question 2

In the following reaction,what acts as the Lewis acid? MgO(s)+ SO₂(g)F1F1F1S1F1F1F10 MgSO₃(s)

Accepted Answer

SO<sub>2</sub>(g).

Question 3

The ligand field splitting energy is greater for complexes of F1F1F1S1F1F1F10-acid ligands than for complexes of F1F1F1S1F1F1F10-base ligands.True or false?

Accepted Answer

A) True 
 B)False  True

Question 4

Rhodium lies below cobalt in the periodic table.What is the d-electron configuration of [Rh(CN)6]3F1F1F1S1F1F1F10?

Accepted Answer

A)  t2g5eg2 
B)  t2g4eg1 
C)  t2g6 
D)  t2g4eg2 
E)  t2g5

Question 5

What do all rhodium complexes have in common?

Accepted Answer

The answer of What do all rhodium complexes have in...

Question 6

Which of the following is the formula of potassium hexacyanoferrate(II)?

Accepted Answer

A)  [Fe(CN) 6]
B)  K[Fe(CN) 6]
C)  K2[Fe(CN) 6]
D)  K3[Fe(CN) 6]
E)  K4[Fe(CN) 6]

Question 7

For the complex ion [Rh(NCS)2(NH3)4]+ ,how many different isomers of all types are possible?

Accepted Answer

A)  2
B)  3
C)  4
D)  6
E)  8

Question 8

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+

Question 9

A complex that is the subject of a great deal of research because of its high oxidation potential is ferrate,FeO42F1F1F1S1F1F1F10.How many unpaired electrons are in this complex?

Accepted Answer

A)  4
B)  2
C)  1
D)  6
E)  3

Question 10

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...

Question 11

For the complex ion [Co(NCO)2(PH3)4]+,how many different isomers of the complex can exist?

Accepted Answer

A)  8
B)  6
C)  4
D)  3
E)  2

Question 12

One mole of cis-tetraamminedichlororhodium(III)chloride dissolves in water to give

Accepted Answer

A)  3 moles of ions.
B)  2 moles of ions.
C)  1 mole of ions.
D)  6 moles of ions.

Question 13

What is the name of the complex [Cr(en)2(OH2)Cl]Cl2?

Accepted Answer

A)  diethylenediaminebis(aquachloro) chromium(III) chloride
B)  Aquachlorobis(ethylenediamine) chromium(III) chloride
C)  Chloroaquabis(ethylenediamine) chromate(III) chloride
D)  Aquachlorobis(ethylenediamine) chromium(II) dichloride
E)  Aquachloridebis(ethylenediamine) chromium(III) chloride

Question 14

Comparing [Co(CN)6]3F1F1F1S1F1F1F10 with [CoCl6]4F1F1F1S1F1F1F10,which of the following statements is true?

Accepted Answer

A)  [Co(CN) 6]3 has more d-electrons than [CoCl6]4.
B)  [Co(CN) 6]3 is paramagnetic while [CoCl6]4 is diamagnetic.
C)  Both complexes are paramagnetic.
D)  [Co(CN) 6]3 is diamagnetic while [CoCl6]4 is paramagnetic.
E)  [Co(CN) 6]3 has the same number of d-electrons as [CoCl6]4.

Question 15

The complex CoCl₄²F1F1F1S1^F1F1F10 absorbs light at approximately ____________ nm and its color is ____________.

Accepted Answer

The answer of The complex CoCl₄²F1F1F1S1^F1F1F10 absorbs light at approximately...

Question 16

How many unpaired electrons are predicted for a tetrahedral iron (II)complex?

Accepted Answer

A)  5 or 1, depending on the ligands.
B)  0 or 4, depending on the ligands.
C)  1
D)  4
E)  5

Question 17

For a given metal,the oxides become more basic with increasing oxidation state.True or false?

Accepted Answer

A) True 
 B)False

Question 18

The metalloproteins hemoglobin and vitamin B12 contain the metals

Accepted Answer

A)  iron and zinc, respectively.
B)  cobalt and nickel, respectively.
C)  iron and Mo, respectively.
D)  manganese and iron, respectively.
E)  iron and cobalt, respectively.

Question 19

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

Question 20

What is the formula of the compound formed when potassium dichromate is dissolved in aqueous base?

Accepted Answer

A)  K2CrO4
B)  K2Cr2O7
C)  CrO3 
D)  Cr(OH) 3

Exam 17: The Elements: the D Block

Of the following,which possesses the smallest atomic radius?

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

The ligand field splitting energy is greater for complexes of -acid ligands than for complexes of -base ligands.True or false?

Rhodium lies below cobalt in the periodic table.What is the d-electron configuration of [Rh(CN) ₆]³^?

What do all rhodium complexes have in common?

Which of the following is the formula of potassium hexacyanoferrate(II) ?

For the complex ion [Rh(NCS) ₂(NH₃) ₄]⁺ ,how many different isomers of all types are possible?

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

A complex that is the subject of a great deal of research because of its high oxidation potential is ferrate,FeO₄²^.How many unpaired electrons are in this complex?

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

For the complex ion [Co(NCO) ₂(PH₃) ₄]⁺,how many different isomers of the complex can exist?

One mole of cis-tetraamminedichlororhodium(III) chloride dissolves in water to give

What is the name of the complex [Cr(en) ₂(OH₂) Cl]Cl₂?

Comparing [Co(CN) ₆]³^ with [CoCl₆]⁴^,which of the following statements is true?

The complex CoCl₄²^ absorbs light at approximately nm and its color is .

How many unpaired electrons are predicted for a tetrahedral iron (II) complex?

For a given metal,the oxides become more basic with increasing oxidation state.True or false?

The metalloproteins hemoglobin and vitamin B₁₂ contain the metals

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

What is the formula of the compound formed when potassium dichromate is dissolved in aqueous base?

Exam 17: The Elements: the D Block

Of the following,which possesses the smallest atomic radius?

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

The ligand field splitting energy is greater for complexes of -acid ligands than for complexes of -base ligands.True or false?

Rhodium lies below cobalt in the periodic table.What is the d-electron configuration of [Rh(CN) 6]3?

What do all rhodium complexes have in common?

Which of the following is the formula of potassium hexacyanoferrate(II) ?

For the complex ion [Rh(NCS) 2(NH3) 4]+ ,how many different isomers of all types are possible?

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

A complex that is the subject of a great deal of research because of its high oxidation potential is ferrate,FeO42.How many unpaired electrons are in this complex?

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

For the complex ion [Co(NCO) 2(PH3) 4]+,how many different isomers of the complex can exist?

One mole of cis-tetraamminedichlororhodium(III) chloride dissolves in water to give

What is the name of the complex [Cr(en) 2(OH2) Cl]Cl2?

Comparing [Co(CN) 6]3 with [CoCl6]4,which of the following statements is true?

The complex CoCl42 absorbs light at approximately ____________ nm and its color is ____________.

How many unpaired electrons are predicted for a tetrahedral iron (II) complex?

For a given metal,the oxides become more basic with increasing oxidation state.True or false?

The metalloproteins hemoglobin and vitamin B12 contain the metals

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

What is the formula of the compound formed when potassium dichromate is dissolved in aqueous base?

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

Rhodium lies below cobalt in the periodic table.What is the d-electron configuration of [Rh(CN) ₆]³^?

For the complex ion [Rh(NCS) ₂(NH₃) ₄]⁺ ,how many different isomers of all types are possible?

A complex that is the subject of a great deal of research because of its high oxidation potential is ferrate,FeO₄²^.How many unpaired electrons are in this complex?

For the complex ion [Co(NCO) ₂(PH₃) ₄]⁺,how many different isomers of the complex can exist?

What is the name of the complex [Cr(en) ₂(OH₂) Cl]Cl₂?

Comparing [Co(CN) ₆]³^ with [CoCl₆]⁴^,which of the following statements is true?

The complex CoCl₄²^ absorbs light at approximately nm and its color is .

The metalloproteins hemoglobin and vitamin B₁₂ contain the metals

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