Question 1

What is the concentration of the hydronium ions in an acidic solution?

Accepted Answer

A) 0.0 M 
B) 1.0 × 10-7 M 
C) 1.0 × 10-14 M 
D) > 1.0 × 10-7 M 
E) -7 M 
A) 0.0 M 
B) 1.0 × 10-7 M 
C) 1.0 × 10-14 M 
D) > 1.0 × 10-7 M 
E) -7 M

Question 2

An Arrhenius base is a proton acceptor.

Accepted Answer

A) True 
 B)False

Question 3

Substances that can act both as an acid and as a base are called:

Accepted Answer

A) neutral. 
B) buffers. 
C) indicators. 
D) amphoteric. 
E) none of these 
A) neutral. 
B) buffers. 
C) indicators. 
D) amphoteric. 
E) none of these

Question 4

What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is
1.5 × 10-5 M?

Accepted Answer

A) 6.7 × 10-10 M 
B) 1.5 × 109 M 
C) 1.0 × 10-14 M 
D) 1.0 × 10-19 M 
E) none of the above 
A) 6.7 × 10-10 M 
B) 1.5 × 109 M 
C) 1.0 × 10-14 M 
D) 1.0 × 10-19 M 
E) none of the above

Question 5

Which of the following acids is diprotic?

Accepted Answer

A) HClO4 
B) HNO3 
C) HI 
D) H2SO4 
E) none of the above 
A) HClO4 
B) HNO3 
C) HI 
D) H2SO4 
E) none of the above

Question 6

A 35.0 mL sample of 0.225 M HBr was titrated with 42.3 mL of KOH.What is the concentration of the KOH?

Accepted Answer

A) 0.157 M 
B) 0.303 M 
C) 0.272 M 
D) 0.186 M 
E) none of the above 
A) 0.157 M 
B) 0.303 M 
C) 0.272 M 
D) 0.186 M 
E) none of the above

Question 7

Which of the following is NOT a property of acids?

Accepted Answer

A) Acids have a slippery feel. 
B) Acids have a sour taste. 
C) Acids turn litmus paper red. 
D) Acids dissolve many metals. 
E) All of the above are properties of acids. 
A) Acids have a slippery feel. 
B) Acids have a sour taste. 
C) Acids turn litmus paper red. 
D) Acids dissolve many metals. 
E) All of the above are properties of acids.

Question 8

What is the [H⁺] in a solution that has a pH of 3.35?

Accepted Answer

A) 1 × 103.35 M 
B) 2.2 × 103 M 
C) 4.5 × 10-4 M 
D) 3.35 × 10-14 M 
E) none of the above 
A) 1 × 103.35 M 
B) 2.2 × 103 M 
C) 4.5 × 10-4 M 
D) 3.35 × 10-14 M 
E) none of the above

Question 9

Which of the following is NOT true?

Accepted Answer

A) The Bronsted-Lowry Model applies to a wider range of acid-base phenomena than does the Arrhenius Model. 
B) The Arrhenius Model of acids and bases was developed before the Bronsted-Lowry Model. 
C) The Bronsted-Lowry Model can apply to bases that do not contain hydroxide ions. 
D) The Arrhenius Model of acids and bases applies toward substances that are nonaqueous. 
E) none of the above 
A) The Bronsted-Lowry Model applies to a wider range of acid-base phenomena than does the Arrhenius Model. 
B) The Arrhenius Model of acids and bases was developed before the Bronsted-Lowry Model. 
C) The Bronsted-Lowry Model can apply to bases that do not contain hydroxide ions. 
D) The Arrhenius Model of acids and bases applies toward substances that are nonaqueous. 
E) none of the above

Question 10

The Bronsted-Lowry definition of an acid is:

Accepted Answer

A) a proton donor. 
B) a proton acceptor. 
C) produces H⁺ in solution. 
D) produces OH⁻ in solution. 
E) none of the above 
A) a proton donor. 
B) a proton acceptor. 
C) produces H⁺ in solution. 
D) produces OH⁻ in solution. 
E) none of the above

Question 11

What is the value of the ion product constant for water (Kw)?

Accepted Answer

A) 0.0 
B) 1.0 × 10-7 
C) 1.0 × 10-14 
D) 1.0 × 1014 
E) 1.0 × 107 
A) 0.0 
B) 1.0 × 10-7 
C) 1.0 × 10-14 
D) 1.0 × 1014 
E) 1.0 × 107

Question 12

Which among the following acids is commonly used for etching and frosting glass?

Accepted Answer

A) Hydrochloric acid 
B) Nitric acid 
C) Hydrofluoric acid 
D) Hydrobromic acid 
E) All of the above are used. 
A) Hydrochloric acid 
B) Nitric acid 
C) Hydrofluoric acid 
D) Hydrobromic acid 
E) All of the above are used.

Question 13

A pH of 7 is equivalent to a pOH of 7.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is NOT an acid-base conjugate pair?

Accepted Answer

A) H2CO3 and HCO3- 
B) H2O and OH- 
C) H2S and OH- 
D) NH4+ and NH3 
E) none of the above 
A) H2CO3 and HCO3- 
B) H2O and OH- 
C) H2S and OH- 
D) NH4+ and NH3 
E) none of the above

Question 15

H2SO3 and H2SO4 are considered an acid-base conjugate pair.

Accepted Answer

A) True 
 B)False

Question 16

The main component of vinegar is acetic acid.

Accepted Answer

A) True 
 B)False

Question 17

Rain is naturally somewhat acidic because of atmospheric carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is the active ingredient of baking soda?

Accepted Answer

A) NH3 
B) NaHCO3 
C) KOH 
D) NaOH 
E) none of the above 
A) NH3 
B) NaHCO3 
C) KOH 
D) NaOH 
E) none of the above

Question 19

Carboxylic acids can be found in

Accepted Answer

A) grapes. 
B) apples. 
C) lemons. 
D) all of the above 
E) none of these 
A) grapes. 
B) apples. 
C) lemons. 
D) all of the above 
E) none of these

Question 20

The equation HCl (aq)+ H2O (l)↔ H3O+ (aq)+ Cl- (aq)properly depicts the behavior of hydrochloric acid in water.

Accepted Answer

A) True 
 B)False

What is the concentration of the hydronium ions in an acidic solution?

An Arrhenius base is a proton acceptor.

Substances that can act both as an acid and as a base are called:

What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is 1.5 × 10^-⁵ M?

Which of the following acids is diprotic?

A 35.0 mL sample of 0.225 M HBr was titrated with 42.3 mL of KOH.What is the concentration of the KOH?

Which of the following is NOT a property of acids?

What is the [H⁺] in a solution that has a pH of 3.35?

Which of the following is NOT true?

The Bronsted-Lowry definition of an acid is:

What is the value of the ion product constant for water (K_w)?

Which among the following acids is commonly used for etching and frosting glass?

A pH of 7 is equivalent to a pOH of 7.

Which of the following is NOT an acid-base conjugate pair?

H₂SO₃ and H₂SO₄ are considered an acid-base conjugate pair.

The main component of vinegar is acetic acid.

Rain is naturally somewhat acidic because of atmospheric carbon dioxide.

Which of the following is the active ingredient of baking soda?

Carboxylic acids can be found in

The equation HCl (aq)+ H₂O (l)↔ H₃O⁺ (aq)+ Cl^-(aq)properly depicts the behavior of hydrochloric acid in water.

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Exam 14: Acids and Bases

What is the concentration of the hydronium ions in an acidic solution?

An Arrhenius base is a proton acceptor.

Substances that can act both as an acid and as a base are called:

What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is 1.5 × 10-5 M?

Which of the following acids is diprotic?

A 35.0 mL sample of 0.225 M HBr was titrated with 42.3 mL of KOH.What is the concentration of the KOH?

Which of the following is NOT a property of acids?

What is the [H⁺] in a solution that has a pH of 3.35?

Which of the following is NOT true?

The Bronsted-Lowry definition of an acid is:

What is the value of the ion product constant for water (Kw)?

Which among the following acids is commonly used for etching and frosting glass?

A pH of 7 is equivalent to a pOH of 7.

Which of the following is NOT an acid-base conjugate pair?

H2SO3 and H2SO4 are considered an acid-base conjugate pair.

The main component of vinegar is acetic acid.

Rain is naturally somewhat acidic because of atmospheric carbon dioxide.

Which of the following is the active ingredient of baking soda?

Carboxylic acids can be found in

The equation HCl (aq)+ H2O (l)↔ H3O+ (aq)+ Cl- (aq)properly depicts the behavior of hydrochloric acid in water.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids,solids,and Intermolecular Forces

Solutions

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is 1.5 × 10^-⁵ M?

What is the value of the ion product constant for water (K_w)?

H₂SO₃ and H₂SO₄ are considered an acid-base conjugate pair.

The equation HCl (aq)+ H₂O (l)↔ H₃O⁺ (aq)+ Cl^-(aq)properly depicts the behavior of hydrochloric acid in water.