Question 1

What effect would bubbling SO3 gas through a solution of distilled water have on the pH of a solution?

Accepted Answer

It would cause the p

Question 2

Which species would be expected to be the most acidic?

Accepted Answer

A) HClO 
B) HClO2 
C) HClO3 
D) HClO4 
E) Cl- 
A) HClO 
B) HClO2 
C) HClO3 
D) HClO4 
E) Cl-

Question 3

The conjugate base of HPO42- is

Accepted Answer

A) H2PO4. 
B) H3PO4. 
C) PO43-. 
D) PO42-. 
E) H2PO4-. 
A) H2PO4. 
B) H3PO4. 
C) PO43-. 
D) PO42-. 
E) H2PO4-.

Question 4

The sulfide ion can react with the sulfur trioxide molecule to produce a thiosulfate ion, as shown below.   Which reactant is functioning as the Lewis base?

Accepted Answer

The answer of The sulfide ion can react with the...

Question 5

For the system HC6H5O + C4H7O2-   C6H5O- + HC4H7O2 the position of the equilibrium lies to the left. Which is the strongest acid in the system?

Accepted Answer

A) HC6H5O 
B) C4H7O2- 
C) C6H5O- 
D) HC4H7O2 
E) HC4H7O2 and C4H7O2- are equal in acid strength, and are the strongest acids in the system 
A) HC6H5O 
B) C4H7O2- 
C) C6H5O- 
D) HC4H7O2 
E) HC4H7O2 and C4H7O2- are equal in acid strength, and are the strongest acids in the system

Question 6

Which species does not have a conjugate base?

Accepted Answer

A) H2O 
B) H3O+ 
C) NH4+ 
D) HCO3- 
E) F- 
A) H2O 
B) H3O+ 
C) NH4+ 
D) HCO3- 
E) F-

Question 7

Which solution should be the least acidic?

Accepted Answer

A) Al(NO3)3 (aq) 
B) Ga(NO3)3 (aq) 
C) AgNO3 (aq) 
D) Cu(NO3)2 (aq) 
E) Zn(NO3)2 (aq) 
A) Al(NO3)3 (aq) 
B) Ga(NO3)3 (aq) 
C) AgNO3 (aq) 
D) Cu(NO3)2 (aq) 
E) Zn(NO3)2 (aq)

Question 8

For the system H3PO4(aq)+ COOH-(aq)   HCOOH(aq)+ H2PO4-(aq)the position of equilibrium lies to the right. What is the strongest acid in this reaction?

Accepted Answer

Question 9

Which species is amphoteric?

Accepted Answer

A) HNO3(aq) 
B) Cl-(g) 
C) CO32-(aq) 
D) HSO3-(aq) 
E) PO43-(aq) 
A) HNO3(aq) 
B) Cl-(g) 
C) CO32-(aq) 
D) HSO3-(aq) 
E) PO43-(aq)

Question 10

The strongest acid that can exist in aqueous solution is ________.

Accepted Answer

The answer of The strongest acid that can exist in...

Question 11

What is the formula for the conjugate acid of the OH-(aq)ion?

Accepted Answer

Question 12

In the reaction, HSO4- + HS-   H2S + SO42-, which two species are acids?

Accepted Answer

A) HSO4-, HS- 
B) HSO4-, H2S 
C) HS-, H2S 
D) HS-, SO42- 
E) H2S, SO42- 
A) HSO4-, HS- 
B) HSO4-, H2S 
C) HS-, H2S 
D) HS-, SO42- 
E) H2S, SO42-

Question 13

Which solution should be the most acidic?

Accepted Answer

A) Zn(NO3)2 (aq) 
B) Cd(NO3)2 (aq) 
C) Ga(NO3)3 (aq) 
D) Hg(NO3)2 (aq) 
E) Al(NO3)3 (aq) 
A) Zn(NO3)2 (aq) 
B) Cd(NO3)2 (aq) 
C) Ga(NO3)3 (aq) 
D) Hg(NO3)2 (aq) 
E) Al(NO3)3 (aq)

Question 14

The conjugate base of H2AsO4- is

Accepted Answer

A) H2AsO4 
B) H3AsO4 
C) HAsO4- 
D) HAsO42-. 
E) AsO43-. 
A) H2AsO4 
B) H3AsO4 
C) HAsO4- 
D) HAsO42-. 
E) AsO43-.

Question 15

In the reaction, HSO4- + HS-    H2S + SO42-, which two species are bases?

Accepted Answer

A) HSO4-, HS-- 
B) HSO4-, H2S 
C) HS-, H2S 
D) HS-, SO42- 
E) H2S, SO42- 
A) HSO4-, HS-- 
B) HSO4-, H2S 
C) HS-, H2S 
D) HS-, SO42- 
E) H2S, SO42-

Question 16

The conjugate base of H2SO4 is

Accepted Answer

A) SO42-. 
B) H3O+. 
C) OH-. 
D) HSO4-. 
E) H2SO3. 
A) SO42-. 
B) H3O+. 
C) OH-. 
D) HSO4-. 
E) H2SO3.

Question 17

CO2 can react with OH-, forming HCO3-. In this reaction,

Accepted Answer

A) the CO2 is a Brønsted-Lowry acid, accepting a proton from the OH- ion. 
B) the CO2 is a Lewis acid, accepting a proton from the OH- ion. 
C) the OH- ion is a Brønsted-Lowry base, donating a proton to the CO2 molecule. 
D) the OH- ion is a Lewis acid, accepting an electron pair from the CO2 molecule to form a coordinate covalent bond. 
E) the OH- ion is a Lewis base, donating an electron pair to the CO2 molecule to form a coordinate covalent bond. 
A) the CO2 is a Brønsted-Lowry acid, accepting a proton from the OH- ion. 
B) the CO2 is a Lewis acid, accepting a proton from the OH- ion. 
C) the OH- ion is a Brønsted-Lowry base, donating a proton to the CO2 molecule. 
D) the OH- ion is a Lewis acid, accepting an electron pair from the CO2 molecule to form a coordinate covalent bond. 
E) the OH- ion is a Lewis base, donating an electron pair to the CO2 molecule to form a coordinate covalent bond.

Question 18

NH3 can react with BF3, forming NH3-BF3. In this reaction,

Accepted Answer

A) the NH3 is a Brønsted-Lowry base, accepting a proton from the BF3 molecule. 
B) the NH3 is a Lewis base, donating a proton to the BF3 molecule. 
C) the NH3 is a Brønsted-Lowry acid, donating a proton to the BF3 molecule. 
D) the BF3 molecule is a Lewis acid, accepting an electron pair from the NH3 molecule to form a coordinate covalent bond. 
E) the BF3 molecule is a Lewis base, donating an electron pair to the NH3 molecule to form a coordinate covalent bond. 
A) the NH3 is a Brønsted-Lowry base, accepting a proton from the BF3 molecule. 
B) the NH3 is a Lewis base, donating a proton to the BF3 molecule. 
C) the NH3 is a Brønsted-Lowry acid, donating a proton to the BF3 molecule. 
D) the BF3 molecule is a Lewis acid, accepting an electron pair from the NH3 molecule to form a coordinate covalent bond. 
E) the BF3 molecule is a Lewis base, donating an electron pair to the NH3 molecule to form a coordinate covalent bond.

Question 19

Given the following substances, listed in order of increasing acid strength,HOCl(aq)2H3O2(aq)2O4-(aq)2(aq)< HCl(aq)Which species listed below is the strongest base?

Accepted Answer

A) Cl-(aq) 
B) HOCl(aq) 
C) C2O42-(aq) 
D) NO2-(aq) 
E) OCN-(aq) 
A) Cl-(aq) 
B) HOCl(aq) 
C) C2O42-(aq) 
D) NO2-(aq) 
E) OCN-(aq)

Question 20

Given that X is the same atom for each of the following, which is the strongest oxyacid?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Exam 16: Acids and Bases, a Molecular Look

What effect would bubbling SO3 gas through a solution of distilled water have on the pH of a solution?

Which species would be expected to be the most acidic?

The conjugate base of HPO42- is

The sulfide ion can react with the sulfur trioxide molecule to produce a thiosulfate ion, as shown below. Which reactant is functioning as the Lewis base?

For the system HC6H5O + C4H7O2- C6H5O- + HC4H7O2 the position of the equilibrium lies to the left. Which is the strongest acid in the system?

Which species does not have a conjugate base?

Which solution should be the least acidic?

For the system H3PO4(aq)+ COOH-(aq) HCOOH(aq)+ H2PO4-(aq)the position of equilibrium lies to the right. What is the strongest acid in this reaction?

Which species is amphoteric?

The strongest acid that can exist in aqueous solution is ________.

What is the formula for the conjugate acid of the OH-(aq)ion?

In the reaction, HSO4- + HS- H2S + SO42-, which two species are acids?

Which solution should be the most acidic?

The conjugate base of H2AsO4- is

In the reaction, HSO4- + HS- H2S + SO42-, which two species are bases?

The conjugate base of H2SO4 is

CO2 can react with OH-, forming HCO3-. In this reaction,

NH3 can react with BF3, forming NH3-BF3. In this reaction,

Given the following substances, listed in order of increasing acid strength,HOCl(aq)< HC2H3O2(aq)< HC2O4-(aq)< HOCN(aq)< HNO2(aq)< HCl(aq)Which species listed below is the strongest base?

Given that X is the same atom for each of the following, which is the strongest oxyacid?

A Very Brief History of Chemistry

Scientific Measurements

Elements, Compounds, and the Periodic Table

The Mole and Stoichiometry

Molecular View of Reactions in Aqueous Solutions

Oxidation-Reduction Reactions

Energy and Chemical Change

The Quantum Mechanical Atom

The Basics of Chemical Bonding

Theories of Bonding and Structure

Properties of Gases

Intermolecular Attractions and the Properties of Liquids and Solids

Mixtures at the Molecular Level: Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria in Aqueous Solutions

Solubility and Simultaneous Equilibria

Thermodynamics

Electrochemistry

Nuclear Reactions and Their Role in Chemistry

Metal Complexes

Organic Compounds, Polymers, and Biochemicals

Filters

What effect would bubbling SO₃ gas through a solution of distilled water have on the pH of a solution?

The conjugate base of HPO₄^2- is

For the system HC₆H₅O + C₄H₇O₂^- C₆H₅O^- + HC₄H₇O₂ the position of the equilibrium lies to the left. Which is the strongest acid in the system?

For the system H₃PO₄(aq)+ COOH^-(aq) HCOOH(aq)+ H₂PO₄^-(aq)the position of equilibrium lies to the right. What is the strongest acid in this reaction?

What is the formula for the conjugate acid of the OH^-(aq)ion?

In the reaction, HSO₄^-+ HS^- H₂S + SO₄^2-, which two species are acids?

The conjugate base of H₂AsO₄^- is

In the reaction, HSO₄^- + HS^- H₂S + SO₄^2-, which two species are bases?

The conjugate base of H₂SO₄ is

CO₂ can react with OH^-, forming HCO₃^-. In this reaction,

NH₃ can react with BF₃, forming NH₃-BF₃. In this reaction,

Given the following substances, listed in order of increasing acid strength,HOCl(aq)< HC₂H₃O₂(aq)< HC₂O₄^-(aq)< HOCN(aq)< HNO₂(aq)< HCl(aq)Which species listed below is the strongest base?