Question 1

Which of the following ligands should enable base-accelerated ligand substitution?

Accepted Answer

A)  bipyridyl 
B)  acetylacetonato 
C)  ethylenediamine 
A)  bipyridyl 
B)  acetylacetonato 
C)  ethylenediamine C

Question 2

Which mechanism takes place in one step only?

Accepted Answer

A)  associative 
B)  dissociative 
C)  interchange 
A)  associative 
B)  dissociative 
C)  interchange C

Question 3

Which of the following elementary steps is not part of the outer sphere electron transfer mechanism?

Accepted Answer

A)  association 
B)  bridge formation 
C)  diffusion. 
A)  association 
B)  bridge formation 
C)  diffusion. B

Question 4

Identify the correct statement:

Accepted Answer

A)  If the reaction intermediate has square pyramidal geometry, the reaction proceeds with the retention of the initial geometry. 
B)  If the reaction intermediate has trigonal bipyramidal geometry, the reaction proceeds with the retention of the initial geometry. 
C)  If the reaction intermediate has square planar geometry, the reaction proceeds with the retention of the initial geometry. 
A)  If the reaction intermediate has square pyramidal geometry, the reaction proceeds with the retention of the initial geometry. 
B)  If the reaction intermediate has trigonal bipyramidal geometry, the reaction proceeds with the retention of the initial geometry. 
C)  If the reaction intermediate has square planar geometry, the reaction proceeds with the retention of the initial geometry.

Question 5

In terms of reaction rates, what do complexes of majority of s block metals and complexes of M3+ ions of the f block have in common?

Accepted Answer

A)  They are both non-labile. 
B)  They are both very labile. 
C)  They have nothing in common. 
A)  They are both non-labile. 
B)  They are both very labile. 
C)  They have nothing in common.

Question 6

What is rate-determining step?

Accepted Answer

A)  It is the slowest elementary step that dominates the rate law and speed of the reaction. 
B)  It is the first step in the mechanism that determines the direction of reaction. 
C)  It is any step that leads to an unstable reaction intermediate. 
A)  It is the slowest elementary step that dominates the rate law and speed of the reaction. 
B)  It is the first step in the mechanism that determines the direction of reaction. 
C)  It is any step that leads to an unstable reaction intermediate.

Question 7

Which of the following three Pt complexes is going to have the fastest substitution of Cl ligand?

Accepted Answer

A)  trans-[PtCl(H)(PEt3)2] 
B)  trans-[PtCl(CH3)(PEt3)2] 
C)  trans-[PtCl(OH)(PEt3)2] 
A)  trans-[PtCl(H)(PEt3)2] 
B)  trans-[PtCl(CH3)(PEt3)2] 
C)  trans-[PtCl(OH)(PEt3)2]

Question 8

Steric strain (i.e. the presence of bulky ligands) in octahedral complexes favours __________ rate-determining step.

Accepted Answer

A)  associative 
B)  dissociative 
C)  interchange. 
A)  associative 
B)  dissociative 
C)  interchange.

Question 9

Identify the mechanism that is not applicable to the isomerisation of octahedral complexes.

Accepted Answer

A)  Bailard twist mechanism 
B)  Berry pseudorotation mechanism 
C)  Ray-Dutt twist mechanism. 
A)  Bailard twist mechanism 
B)  Berry pseudorotation mechanism 
C)  Ray-Dutt twist mechanism.

Question 10

Identify the correct statement:

Accepted Answer

A)  Square planar complexes react following the associative mechanism unless steric effects prevent association. 
B)  The trans effect plays no role for ligand substitution in octahedral complexes. 
C)  The rate-determining step in inner sphere electron transfer is very frequently the bridge formation step. 
A)  Square planar complexes react following the associative mechanism unless steric effects prevent association. 
B)  The trans effect plays no role for ligand substitution in octahedral complexes. 
C)  The rate-determining step in inner sphere electron transfer is very frequently the bridge formation step.

Which of the following ligands should enable base-accelerated ligand substitution?

Which mechanism takes place in one step only?

Which of the following elementary steps is not part of the outer sphere electron transfer mechanism?

Identify the correct statement:

In terms of reaction rates, what do complexes of majority of s block metals and complexes of M³⁺ ions of the f block have in common?

What is rate-determining step?

Which of the following three Pt complexes is going to have the fastest substitution of Cl ligand?

Steric strain (i.e. the presence of bulky ligands) in octahedral complexes favours __________ rate-determining step.

Identify the mechanism that is not applicable to the isomerisation of octahedral complexes.

Identify the correct statement:

Atomic Structure

Molecular Structure and Bonding

Molecular Symmetry

The Structures of Simple Solids

Acids and Bases

Oxidation and Reduction

An Introduction to Coordination Compounds

Physical Techniques in Inorganic Chemistry

Periodic Trends

Hydrogen

The Group 1 Elements

The Group 2 Elements

The Group 13 Elements

The Group 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The Group 18 Elements

The D-Block Elements

The D-Metal Complexes: Electronic Structure and Spectra

D-Metal Organometallic Chemistry

The F-Block Metals

Materials Chemistry and Nanomaterials

Green Chemistry

Biological Inorganic Chemistry

Inorganic Chemistry in Medicine

Filters

Exam 21: Coordination Chemistry: Reactions of Complexes

Which of the following ligands should enable base-accelerated ligand substitution?

Which mechanism takes place in one step only?

Which of the following elementary steps is not part of the outer sphere electron transfer mechanism?

Identify the correct statement:

In terms of reaction rates, what do complexes of majority of s block metals and complexes of M3+ ions of the f block have in common?

What is rate-determining step?

Which of the following three Pt complexes is going to have the fastest substitution of Cl ligand?

Steric strain (i.e. the presence of bulky ligands) in octahedral complexes favours __________ rate-determining step.

Identify the mechanism that is not applicable to the isomerisation of octahedral complexes.

Identify the correct statement:

Atomic Structure

Molecular Structure and Bonding

Molecular Symmetry

The Structures of Simple Solids

Acids and Bases

Oxidation and Reduction

An Introduction to Coordination Compounds

Physical Techniques in Inorganic Chemistry

Periodic Trends

Hydrogen

The Group 1 Elements

The Group 2 Elements

The Group 13 Elements

The Group 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The Group 18 Elements

The D-Block Elements

The D-Metal Complexes: Electronic Structure and Spectra

D-Metal Organometallic Chemistry

The F-Block Metals

Materials Chemistry and Nanomaterials

Green Chemistry

Biological Inorganic Chemistry

Inorganic Chemistry in Medicine

Filters

In terms of reaction rates, what do complexes of majority of s block metals and complexes of M³⁺ ions of the f block have in common?