Question 1

What terms describe the geometrical isomers that are possible for the complex [Pt(NH3)2Cl4]?

Accepted Answer

cis and trans

Question 2

One of the uses of EDTA is in the treatment of ________ ___________.

Accepted Answer

metal poisoning

Question 3

In a reaction between a metal ion and a group of anions or a polar molecule,the metal ion acts as a ______ ________.

Accepted Answer

Lewis acid

Question 4

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

Accepted Answer

A) 1s22s22p63s23p64s23d4 
B) 1s22s22p63s23p63d6 
C) 1s22s22p63s23p64s14d5 
D) 1s22s22p63s23p64s24d4 
E) 1s22s22p63s23p64s13d5 
A) 1s22s22p63s23p64s23d4 
B) 1s22s22p63s23p63d6 
C) 1s22s22p63s23p64s14d5 
D) 1s22s22p63s23p64s24d4 
E) 1s22s22p63s23p64s13d5

Question 5

A complex ion that undergoes a very slow exchange reaction is called an inert complex.

Accepted Answer

A) True 
 B)False

Question 6

Why are phosphates being eliminated from detergents?

Accepted Answer

A) Detergents with phosphates are less efficient cleansers. 
B) By chelating Ca2+ ions,the phosphates allow more efficient cleansing. 
C) Phosphates are important plant nutrients which increase algae growth and deplete oxygen. 
D) None of the. 
A) Detergents with phosphates are less efficient cleansers. 
B) By chelating Ca2+ ions,the phosphates allow more efficient cleansing. 
C) Phosphates are important plant nutrients which increase algae growth and deplete oxygen. 
D) None of the.

Question 7

Which name could correspond to the following coordination compound,where M represents a transition metal cation and L represents a ligand?

Accepted Answer

A) Hexachloroferrate(III) 
B) Hexaammineiron(III) 
C) Hexaaquochromium(II) 
D) Hexacyanomanganate(II) 
E) All of the are possible. 
A) Hexachloroferrate(III) 
B) Hexaammineiron(III) 
C) Hexaaquochromium(II) 
D) Hexacyanomanganate(II) 
E) All of the are possible.

Question 8

What is used to measure the rotation of polarized light as it passes through an atom?

Accepted Answer

The answer of What is used to measure the rotation...

Question 9

In a coordination compound involving a complex ion of square planar geometry,which of the following types of isomerism is/are never possible?

Accepted Answer

A) Geometric 
B) Optical 
C) Linkage 
D) Coordination 
E) More than one of the choices is correct. 
A) Geometric 
B) Optical 
C) Linkage 
D) Coordination 
E) More than one of the choices is correct.

Question 10

In complexes of transition metals,the maximum coordination number of the metal is equal to its number of d electrons.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following metals is capable of forming complexes spanning the smallest range of oxidation numbers?

Accepted Answer

A) Cu 
B) Sc 
C) Fe 
D) Mn 
E) Ni 
A) Cu 
B) Sc 
C) Fe 
D) Mn 
E) Ni

Question 12

The net rotation of plane-polarized light by a racemic mixture is _______.

Accepted Answer

A) to the right 
B) to the left 
C) zero 
A) to the right 
B) to the left 
C) zero

Question 13

What are the two types of stereoisomers that coordination compounds may exhibit?

Accepted Answer

geometrica

Question 14

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

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) 
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)

Question 15

How many 3d electrons does a ground-state Sc3+ ion have?

Accepted Answer

A) 1 
B) 3 
C) 2 
D) 10 
E) 0 
A) 1 
B) 3 
C) 2 
D) 10 
E) 0

Question 16

Which of the following ligands is most likely to form a low-spin octahedral complex with iron(III)?

Accepted Answer

A) Cl- 
B) H2O 
C) NH3 
D) OH- 
E) CO 
A) Cl- 
B) H2O 
C) NH3 
D) OH- 
E) CO

Question 17

In the spectrochemical series,which one of the following ligands has the strongest field?

Accepted Answer

A) H2O 
B) CN- 
C) NH3 
D) OH- 
E) Cl- 
A) H2O 
B) CN- 
C) NH3 
D) OH- 
E) Cl-

Question 18

The ion [Co(NH3)6]2+ is octahedral and high spin.This complex is

Accepted Answer

A) paramagnetic,with 1 unpaired electron. 
B) paramagnetic,with 3 unpaired electrons. 
C) paramagnetic,with 4 unpaired electrons. 
D) paramagnetic,with 5 unpaired electrons. 
E) diamagnetic. 
A) paramagnetic,with 1 unpaired electron. 
B) paramagnetic,with 3 unpaired electrons. 
C) paramagnetic,with 4 unpaired electrons. 
D) paramagnetic,with 5 unpaired electrons. 
E) diamagnetic.

Question 19

Bidentate and polydentate ligands are called ___________ __________.

Accepted Answer

The answer of Bidentate and polydentate ligands are called ___________...

Question 20

In the complex ion [Fe(CN)6]4-,what is the oxidation number of Fe?

Accepted Answer

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

Exam 22: Coordination Chemistry

What terms describe the geometrical isomers that are possible for the complex [Pt(NH3)2Cl4]?

One of the uses of EDTA is in the treatment of ________ ___________.

In a reaction between a metal ion and a group of anions or a polar molecule,the metal ion acts as a ______ ________.

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

A complex ion that undergoes a very slow exchange reaction is called an inert complex.

Why are phosphates being eliminated from detergents?

Which name could correspond to the following coordination compound,where M represents a transition metal cation and L represents a ligand?

What is used to measure the rotation of polarized light as it passes through an atom?

In a coordination compound involving a complex ion of square planar geometry,which of the following types of isomerism is/are never possible?

In complexes of transition metals,the maximum coordination number of the metal is equal to its number of d electrons.

Which of the following metals is capable of forming complexes spanning the smallest range of oxidation numbers?

The net rotation of plane-polarized light by a racemic mixture is _______.

What are the two types of stereoisomers that coordination compounds may exhibit?

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

How many 3d electrons does a ground-state Sc3+ ion have?

Which of the following ligands is most likely to form a low-spin octahedral complex with iron(III)?

In the spectrochemical series,which one of the following ligands has the strongest field?

The ion [Co(NH3)6]2+ is octahedral and high spin.This complex is

Bidentate and polydentate ligands are called ___________ __________.

In the complex ion [Fe(CN)6]4-,what is the oxidation number of Fe?

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What terms describe the geometrical isomers that are possible for the complex [Pt(NH₃)₂Cl₄]?

One of the uses of EDTA is in the treatment of ___.

In a reaction between a metal ion and a group of anions or a polar molecule,the metal ion acts as a __.

How many 3d electrons does a ground-state Sc³⁺ ion have?

The ion [Co(NH₃)₆]²⁺ is octahedral and high spin.This complex is

Bidentate and polydentate ligands are called _ .

In the complex ion [Fe(CN)₆]^4-,what is the oxidation number of Fe?