Question 1

Ammonia is a strong base.

Accepted Answer

A) True 
 B)False

Question 2

Which one of the following is a diprotic acid?

Accepted Answer

A) nitric acid 
B) chloric acid 
C) phosphoric acid 
D) hydrofluoric acid 
E) sulfuric acid 
A) nitric acid 
B) chloric acid 
C) phosphoric acid 
D) hydrofluoric acid 
E) sulfuric acid

Question 3

Which of these metals will be oxidized by the ions of aluminum?

Accepted Answer

A) magnesium 
B) zinc 
C) chromium 
D) iron 
E) nickel 
A) magnesium 
B) zinc 
C) chromium 
D) iron 
E) nickel

Question 4

Zinc is more active than cobalt and iron but less active than aluminum.Cobalt is more active than nickel but less active than iron.Which of the following correctly lists the elements in order of increasing activity?

Accepted Answer

A) Co < Ni < Fe < Zn < Al 
B) Ni < Fe < Co < Zn < Al 
C) Ni < Co < Fe < Zn < Al 
D) Fe < Ni < Co < Al < Zn 
E) Zn < Al < Co < Ni < Fe 
A) Co < Ni < Fe < Zn < Al 
B) Ni < Fe < Co < Zn < Al 
C) Ni < Co < Fe < Zn < Al 
D) Fe < Ni < Co < Al < Zn 
E) Zn < Al < Co < Ni < Fe

Question 5

What mass (g)of barium iodide is contained in   of a barium iodide solution that has an iodide ion concentration of

Accepted Answer

A) 19.6 
B) 39.1 
C) 19,600 
D) 39,100 
E) 276 
A) 19.6 
B) 39.1 
C) 19,600 
D) 39,100 
E) 276

Question 6

Which of these metals is the most easily oxidized?
Cu
Au
Pt
Li
Hg

Accepted Answer

A) Li 
B) Cu 
C) Au 
D) Pt 
E) Hg 
A) Li 
B) Cu 
C) Au 
D) Pt 
E) Hg

Question 7

325 mL of a 5.50 M phosphoric acid solution was prepared for laboratory.How many grams of phosphoric acid was in this solution.

Accepted Answer

The answer of 325 mL of a 5.50 M phosphoric...

Question 8

The balanced molecular equation for complete neutralization of H2SO4 by KOH in aqueous solution is ________.

Accepted Answer

A) 2H+ (aq)+ 2OH- (aq)→ 2H2O (l) 
B) 2H+ (aq)+ 2KOH (aq)→ 2H2O (l)+ 2K+ (aq) 
C) H2SO4 (aq)+ 2OH- (aq)→ 2H2O (l)+ SO42- (aq) 
D) H2SO4 (aq)+ 2KOH (aq)→ 2H2O (l)+ K2SO4 (s) 
E) H2SO4 (aq)+ 2KOH (aq)→ 2H2O (l)+ K2SO4 (aq) 
A) 2H+ (aq)+ 2OH- (aq)→ 2H2O (l) 
B) 2H+ (aq)+ 2KOH (aq)→ 2H2O (l)+ 2K+ (aq) 
C) H2SO4 (aq)+ 2OH- (aq)→ 2H2O (l)+ SO42- (aq) 
D) H2SO4 (aq)+ 2KOH (aq)→ 2H2O (l)+ K2SO4 (s) 
E) H2SO4 (aq)+ 2KOH (aq)→ 2H2O (l)+ K2SO4 (aq)

Question 9

In which species does nitrogen have an oxidation number of zero?

Accepted Answer

A) N2 
B) NaNO3 
C) HNO2 
D) NO2- 
E) NH3 
A) N2 
B) NaNO3 
C) HNO2 
D) NO2- 
E) NH3

Question 10

The spectator ions in the reaction between aqueous hydrobromic acid and aqueous sodium hydroxide are ________.

Accepted Answer

A) Br- and Na+ 
B) OH-, Br-, and Na+ 
C) OH- and Br- 
D) Na+ only 
E) H+, OH-, Br-, and Na+ 
A) Br- and Na+ 
B) OH-, Br-, and Na+ 
C) OH- and Br- 
D) Na+ only 
E) H+, OH-, Br-, and Na+

Question 11

How many moles of chloride ions are present in 0.300 L of a 0.150 M solution of AlCl3?

Accepted Answer

Question 12

The concentration (M)of an aqueous methanol produced when 0.200 L of a 2.00 M solution was diluted to 0.800 L is ________.

Accepted Answer

A) 0.800 
B) 0.200 
C) 0.500 
D) 0.400 
E) 8.00 
A) 0.800 
B) 0.200 
C) 0.500 
D) 0.400 
E) 8.00

Question 13

Which one of the following is a correct expression for molarity?

Accepted Answer

A) mol solute/L solvent 
B) mol solute/mL solvent 
C) mmol solute/mL solution 
D) mol solute/kg solvent 
E) μmol solute/L solution 
A) mol solute/L solvent 
B) mol solute/mL solvent 
C) mmol solute/mL solution 
D) mol solute/kg solvent 
E) μmol solute/L solution

Question 14

A solution of CH3F is prepared by dissolving 17.2 g of CH3F in sufficient water to give exactly 300 mL of solution.What is the concentration (M)of the newly prepared CH3F solution?

Accepted Answer

Question 15

Which of the following is soluble in water at 25 °C?

Accepted Answer

A) AgNO3 
B) Hg2Cl2 
C) PbCl2 
D) Ag2S 
E) AgCl 
A) AgNO3 
B) Hg2Cl2 
C) PbCl2 
D) Ag2S 
E) AgCl

Question 16

Mixing 10.00 mL of an aqueous solution with 10.00 mL of water represents a ________.

Accepted Answer

A) crystallization 
B) neutralization 
C) twofold dilution 
D) tenfold dilution 
E) titration 
A) crystallization 
B) neutralization 
C) twofold dilution 
D) tenfold dilution 
E) titration

Question 17

How many moles of Co2+ are present in 0.200 L of a 0.400 M solution of CoI2?

Accepted Answer

A) 2.00 
B) 0.500 
C) 0.160 
D) 0.0800 
E) 0.0400 
A) 2.00 
B) 0.500 
C) 0.160 
D) 0.0800 
E) 0.0400

Question 18

Of the species below,only ________ is not an electrolyte.

Accepted Answer

A) HBr 
B) LiCl 
C) Ne 
D) KOH 
E) NaNO3 
A) HBr 
B) LiCl 
C) Ne 
D) KOH 
E) NaNO3

Question 19

A compound was found to be soluble in water. It was also found that addition of acid to an aqueous solution of this compound resulted in the formation of carbon dioxide.Which one of the following cations would form a precipitate when added to an aqueous solution of this compound?

Accepted Answer

A) NH4+ 
B) K+ 
C) Cr3+ 
D) Rb+ 
E) Na+ 
A) NH4+ 
B) K+ 
C) Cr3+ 
D) Rb+ 
E) Na+

Question 20

Which combination will produce a precipitate?

Accepted Answer

A) Pb(NO3)2 (aq)and HCl (aq) 
B) Cu(NO3)2 (aq)and KC2H3O2 (aq) 
C) KOH (aq)and HNO3 (aq) 
D) AgC2H3O2 (aq)and HC2H3O2 (aq) 
E) NaOH (aq)and Sr(NO3)2 (aq) 
A) Pb(NO3)2 (aq)and HCl (aq) 
B) Cu(NO3)2 (aq)and KC2H3O2 (aq) 
C) KOH (aq)and HNO3 (aq) 
D) AgC2H3O2 (aq)and HC2H3O2 (aq) 
E) NaOH (aq)and Sr(NO3)2 (aq)

Exam 4: Reactions in Aqueous Solution

Ammonia is a strong base.

Which one of the following is a diprotic acid?

Which of these metals will be oxidized by the ions of aluminum?

Zinc is more active than cobalt and iron but less active than aluminum.Cobalt is more active than nickel but less active than iron.Which of the following correctly lists the elements in order of increasing activity?

What mass (g)of barium iodide is contained in of a barium iodide solution that has an iodide ion concentration of

Which of these metals is the most easily oxidized? Cu Au Pt Li Hg

325 mL of a 5.50 M phosphoric acid solution was prepared for laboratory.How many grams of phosphoric acid was in this solution.

The balanced molecular equation for complete neutralization of H2SO4 by KOH in aqueous solution is ________.

In which species does nitrogen have an oxidation number of zero?

The spectator ions in the reaction between aqueous hydrobromic acid and aqueous sodium hydroxide are ________.

How many moles of chloride ions are present in 0.300 L of a 0.150 M solution of AlCl3?

The concentration (M)of an aqueous methanol produced when 0.200 L of a 2.00 M solution was diluted to 0.800 L is ________.

Which one of the following is a correct expression for molarity?

A solution of CH3F is prepared by dissolving 17.2 g of CH3F in sufficient water to give exactly 300 mL of solution.What is the concentration (M)of the newly prepared CH3F solution?

Which of the following is soluble in water at 25 °C?

Mixing 10.00 mL of an aqueous solution with 10.00 mL of water represents a ________.

How many moles of Co2+ are present in 0.200 L of a 0.400 M solution of CoI2?

Of the species below,only ________ is not an electrolyte.

A compound was found to be soluble in water. It was also found that addition of acid to an aqueous solution of this compound resulted in the formation of carbon dioxide.Which one of the following cations would form a precipitate when added to an aqueous solution of this compound?

Which combination will produce a precipitate?

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The balanced molecular equation for complete neutralization of H₂SO₄ by KOH in aqueous solution is ________.

How many moles of chloride ions are present in 0.300 L of a 0.150 M solution of AlCl₃?

A solution of CH₃F is prepared by dissolving 17.2 g of CH₃F in sufficient water to give exactly 300 mL of solution.What is the concentration (M)of the newly prepared CH₃F solution?

How many moles of Co²⁺ are present in 0.200 L of a 0.400 M solution of CoI₂?