Question 1

Which one of the following substances is a strong acid?

Accepted Answer

A)  HNO3 
B)  H2CO3 
C)  NH3 
D)  CH3COOH 
E)  H3PO4 
A)  HNO3 
B)  H2CO3 
C)  NH3 
D)  CH3COOH 
E)  H3PO4

Question 2

What volume of a 0.100 M solution of HCl is required to neutralize a solution prepared by dissolving 10.0 g of KOH in 250 ml of H2O?

Accepted Answer

A)  0.178 L 
B)  0.25 L 
C)  0.71 L 
D)  1.78 L 
E)  178 L 
A)  0.178 L 
B)  0.25 L 
C)  0.71 L 
D)  1.78 L 
E)  178 L

Question 3

What, if any, are the spectator ions when aqueous solutions of HBr and RbOH neutralize each other?

Accepted Answer

A)  H+ and OH- 
B)  H+ and Rb+ 
C)  Rb+ and Br- 
D)  Br- and OH- 
E)  There are no spectator ions in this reaction. 
A)  H+ and OH- 
B)  H+ and Rb+ 
C)  Rb+ and Br- 
D)  Br- and OH- 
E)  There are no spectator ions in this reaction.

Question 4

Consider the reaction: 3Co2+(aq) + 6NO3(aq) + 6Na+(aq) + 2PO43-(aq) → Co3(PO4)2(s) + 6Na+(aq) + 6NO3(aq)
Identify the net ionic equation for this reaction.

Accepted Answer

A)  Na+(aq) + NO3-(aq) → NaNO3(aq) 
B)  3Co2+(aq) + NO3-(aq) + Na+(aq) + 2PO43-(aq) → Co3(PO4)2(s) + NaNO3(aq) 
C)  3Co2+(aq) + 6NO3-(aq) + 6Na+(aq) + 2PO43-(aq) → Co3(PO4)2(s) + 6NaNO3(aq) 
D)  3Co2+(aq) + 2PO43-(aq) → Co3(PO4)2(s) 
E)  None of these choices are correct. 
A)  Na+(aq) + NO3-(aq) → NaNO3(aq) 
B)  3Co2+(aq) + NO3-(aq) + Na+(aq) + 2PO43-(aq) → Co3(PO4)2(s) + NaNO3(aq) 
C)  3Co2+(aq) + 6NO3-(aq) + 6Na+(aq) + 2PO43-(aq) → Co3(PO4)2(s) + 6NaNO3(aq) 
D)  3Co2+(aq) + 2PO43-(aq) → Co3(PO4)2(s) 
E)  None of these choices are correct.

Question 5

What are the products when aqueous solutions of HCl and Na2CO3 react?

Accepted Answer

A)  NaCl and HCO3 
B)  NaCl, H2O and CO2 
C)  NaCl and HCO3- 
D)  NaH and Cl2CO3 
E)  None of these choices are correct. 
A)  NaCl and HCO3 
B)  NaCl, H2O and CO2 
C)  NaCl and HCO3- 
D)  NaH and Cl2CO3 
E)  None of these choices are correct.

Question 6

In a redox reaction, electrons are transferred

Accepted Answer

A)  from the substance being oxidized to the reducing agent. 
B)  from the oxidizing agent to the reducing agent. 
C)  from the substance being reduced to the oxidizing agent. 
D)  from the substance being oxidized to the substance being reduced. 
E)  from the substance being reduced to the substance being oxidized. 
A)  from the substance being oxidized to the reducing agent. 
B)  from the oxidizing agent to the reducing agent. 
C)  from the substance being reduced to the oxidizing agent. 
D)  from the substance being oxidized to the substance being reduced. 
E)  from the substance being reduced to the substance being oxidized.

Question 7

When a solution is diluted with water, the ratio of the initial to final volumes of solution is equal to the ratio of final to initial molarities.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is a strong base?

Accepted Answer

A)  NH3 
B)  Ca(OH)2 
C)  Al(OH)3 
D)  B(OH)3 
E)  CH3OH 
A)  NH3 
B)  Ca(OH)2 
C)  Al(OH)3 
D)  B(OH)3 
E)  CH3OH

Question 9

In a redox reaction, the reducing agent undergoes loss of electrons.

Accepted Answer

A) True 
 B)False

Question 10

What is the oxidation number of iodine in I2.

Accepted Answer

A)  -1 
B)  0 
C)  +1 
D)  +7 
E)  None of these choices are correct. 
A)  -1 
B)  0 
C)  +1 
D)  +7 
E)  None of these choices are correct.

Question 11

Select the classification for the following reaction. NH3(aq) + HNO3(aq) → NH4NO3(aq)

Accepted Answer

A)  Precipitation 
B)  Acid-base 
C)  Redox 
D)  Decomposition 
E)  None of these choices are correct. 
A)  Precipitation 
B)  Acid-base 
C)  Redox 
D)  Decomposition 
E)  None of these choices are correct.

Which one of the following substances is a strong acid?

What volume of a 0.100 M solution of HCl is required to neutralize a solution prepared by dissolving 10.0 g of KOH in 250 ml of H2O?

What, if any, are the spectator ions when aqueous solutions of HBr and RbOH neutralize each other?

Consider the reaction: 3Co₂₊(aq) + 6NO₃(aq) + 6Na₊(aq) + 2PO₄3-(aq) → Co₃(PO₄)₂(s) + 6Na₊(aq) + 6NO₃(aq) Identify the net ionic equation for this reaction.

What are the products when aqueous solutions of HCl and Na₂CO₃ react?

In a redox reaction, electrons are transferred

When a solution is diluted with water, the ratio of the initial to final volumes of solution is equal to the ratio of final to initial molarities.

Which of the following is a strong base?

In a redox reaction, the reducing agent undergoes loss of electrons.

What is the oxidation number of iodine in I₂.

Select the classification for the following reaction. NH₃(aq) + HNO₃(aq) → NH₄NO₃(aq)

Keys to Studying Chemistry Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Gases and the Kinetic-Molecular Theory

Thermochemistry Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces Liquids, Solids, and Phase Changes

The Properties of Mixtures Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics Rates and Mechanisms of Chemical Reactions

Equilibrium the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics Entropy, Free Energy, and Reaction Direction

Electrochemistry Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 4: Three Major Classes of Chemical Reactions

Which one of the following substances is a strong acid?

What volume of a 0.100 M solution of HCl is required to neutralize a solution prepared by dissolving 10.0 g of KOH in 250 ml of H2O?

What, if any, are the spectator ions when aqueous solutions of HBr and RbOH neutralize each other?

Consider the reaction: 3Co2+(aq) + 6NO3(aq) + 6Na+(aq) + 2PO43-(aq) → Co3(PO4)2(s) + 6Na+(aq) + 6NO3(aq) Identify the net ionic equation for this reaction.

What are the products when aqueous solutions of HCl and Na2CO3 react?

In a redox reaction, electrons are transferred

When a solution is diluted with water, the ratio of the initial to final volumes of solution is equal to the ratio of final to initial molarities.

Which of the following is a strong base?

In a redox reaction, the reducing agent undergoes loss of electrons.

What is the oxidation number of iodine in I2.

Select the classification for the following reaction. NH3(aq) + HNO3(aq) → NH4NO3(aq)

Keys to Studying Chemistry Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Gases and the Kinetic-Molecular Theory

Thermochemistry Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces Liquids, Solids, and Phase Changes

The Properties of Mixtures Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics Rates and Mechanisms of Chemical Reactions

Equilibrium the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics Entropy, Free Energy, and Reaction Direction

Electrochemistry Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Consider the reaction: 3Co₂₊(aq) + 6NO₃(aq) + 6Na₊(aq) + 2PO₄3-(aq) → Co₃(PO₄)₂(s) + 6Na₊(aq) + 6NO₃(aq) Identify the net ionic equation for this reaction.

What are the products when aqueous solutions of HCl and Na₂CO₃ react?

What is the oxidation number of iodine in I₂.

Select the classification for the following reaction. NH₃(aq) + HNO₃(aq) → NH₄NO₃(aq)