Question 1

Oxides of metals in higher oxidation states tend to be basic.

Accepted Answer

A) True 
 B)False

Question 2

Soft acids are relatively less polarizable than Hard acids.

Accepted Answer

A) True 
 B)False

Question 3

The most important oxidation state for group 12 is _____.

Accepted Answer

The answer of The most important oxidation state for group...

Question 4

An octahedral complex with a high-spin configuration is called a(n) _____.

Accepted Answer

The answer of An octahedral complex with a high-spin configuration...

Question 5

The transition metals are generally characterized by partially filled _____ subshells in the free elements or their cations.

Accepted Answer

The answer of The transition metals are generally characterized by...

Question 6

The elements of group _____ are almost always found in combination with sulphur.

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  12 
E)  8 
A)  3 
B)  4 
C)  5 
D)  12 
E)  8

Question 7

The electronic configuration of chromium is _____.

Accepted Answer

The answer of The electronic configuration of chromium is _____....

Question 8

Which of the following is a low-spin complex?

Accepted Answer

A)  [Ni(CN)4]2− 
B)  [Mn(H2O)6]2+ 
C)  [CoF6]3− 
D)  [NiCl4]2− 
E)  [CoI4]2 
A)  [Ni(CN)4]2− 
B)  [Mn(H2O)6]2+ 
C)  [CoF6]3− 
D)  [NiCl4]2− 
E)  [CoI4]2

Question 9

The difference in energy between the two sets of d orbitals is called the _____ energy.

Accepted Answer

A)  crystal field stabilization 
B)  hydration 
C)  crystal field splitting 
D)  spin pairing 
E)  lattice 
A)  crystal field stabilization 
B)  hydration 
C)  crystal field splitting 
D)  spin pairing 
E)  lattice

Question 10

What are the factors that affect the magnitude of crystal field splitting energy (∆o) of metal complexes?

Accepted Answer

The magnitude of Δ_o

Question 11

Which of the following complexes will have a square planar structure?

Accepted Answer

A)  [Mn(H2O)6]2+ 
B)  [PtCl4]2− 
C)  [Fe(CN)6]3− 
D)  [RhCl6]3− 
E)  [CoF6]3− 
A)  [Mn(H2O)6]2+ 
B)  [PtCl4]2− 
C)  [Fe(CN)6]3− 
D)  [RhCl6]3− 
E)  [CoF6]3−

Question 12

A protein that contains one or more metal ions tightly bound to amino acid side chains is called a _____.

Accepted Answer

A)  ferritin 
B)  prostaglandin 
C)  metalloprotein 
D)  transferrin 
E)  siderophore 
A)  ferritin 
B)  prostaglandin 
C)  metalloprotein 
D)  transferrin 
E)  siderophore

Question 13

The ions Sc3+, Mn3+, and Cr3+ when arranged in the increasing order of their ionic radius, follow the order _____.

Accepted Answer

A)  Sc3+ 3+ 3+ 
B)  Cr3+ 3+ 3+ 
C)  Mn3+ 3+ 3+ 
D)  Cr3+ 3+ 3+ 
E)  Sc3+ 3+ 3+ 
A)  Sc3+ 3+ 3+ 
B)  Cr3+ 3+ 3+ 
C)  Mn3+ 3+ 3+ 
D)  Cr3+ 3+ 3+ 
E)  Sc3+ 3+ 3+

Question 14

The ground state electron configuration for Au3+ is _____.

Accepted Answer

A)  4f145d10 
B)  4f145d106s1 
C)  4f145d96s1 
D)  4f85d10 
E)  4f145d8 
A)  4f145d10 
B)  4f145d106s1 
C)  4f145d96s1 
D)  4f85d10 
E)  4f145d8

Question 15

Hemocyanin contains a metal-porphyrin complex.

Accepted Answer

A) True 
 B)False

Question 16

The reactions that involve the transfer of a group, catalyzed by metal ions that do not change their oxidation states during the reaction are called _____.

Accepted Answer

group tran

Question 17

Higher oxidation states become more stable across the $d$-block.

Accepted Answer

A) True 
 B)False

Question 18

An organic ligand that has a high affinity for Fe(III) and is secreted into the surrounding medium to increase the total concentration of dissolved iron is called a(n) _____.

Accepted Answer

The answer of An organic ligand that has a high...

Question 19

The interaction between soft metals and soft bases is electrostatic in nature.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following complexes will have an octahedral structure?

Accepted Answer

A)  [CoCl4]2− 
B)  [CoF6]3− 
C)  [PtCl4]2− 
D)  [CoBr4]2− 
E)  VCl4 
A)  [CoCl4]2− 
B)  [CoF6]3− 
C)  [PtCl4]2− 
D)  [CoBr4]2− 
E)  VCl4

Exam 23: The D-Block Elements

Oxides of metals in higher oxidation states tend to be basic.

Soft acids are relatively less polarizable than Hard acids.

The most important oxidation state for group 12 is _____.

An octahedral complex with a high-spin configuration is called a(n) _____.

The transition metals are generally characterized by partially filled _____ subshells in the free elements or their cations.

The elements of group _____ are almost always found in combination with sulphur.

The electronic configuration of chromium is _____.

Which of the following is a low-spin complex?

The difference in energy between the two sets of d orbitals is called the _____ energy.

What are the factors that affect the magnitude of crystal field splitting energy (∆o) of metal complexes?

Which of the following complexes will have a square planar structure?

A protein that contains one or more metal ions tightly bound to amino acid side chains is called a _____.

The ions Sc3+, Mn3+, and Cr3+ when arranged in the increasing order of their ionic radius, follow the order _____.

The ground state electron configuration for Au3+ is _____.

Hemocyanin contains a metal-porphyrin complex.

The reactions that involve the transfer of a group, catalyzed by metal ions that do not change their oxidation states during the reaction are called _____.

Higher oxidation states become more stable across the ddd -block.

An organic ligand that has a high affinity for Fe(III) and is secreted into the surrounding medium to increase the total concentration of dissolved iron is called a(n) _____.

The interaction between soft metals and soft bases is electrostatic in nature.

Which of the following complexes will have an octahedral structure?

Introduction to Chemistry

Molecules, Ions, and Chemical Formulas

Chemical Reactions

Reactions in Aqueous Solution

Energy Changes in Chemical Reactions

The Structure of Atoms

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Molecular Geometry and Covalent Bonding Models

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Periodic Trends and the S-Block Elements

The P-Block Elements

Organic Compounds

Filters

What are the factors that affect the magnitude of crystal field splitting energy (∆_o) of metal complexes?

The ions Sc³⁺, Mn³⁺, and Cr³⁺ when arranged in the increasing order of their ionic radius, follow the order _____.

The ground state electron configuration for Au³⁺ is _____.

Higher oxidation states become more stable across the $d$ -block.