Acids, Bases, and Salts

Which of the following statements is true of a basic solution?
1. It has a pH of less than 7
2. It has a greater concentration of OH^- than H₃O⁺
3. It tastes sour
4. It will not conduct electricity
A compound that conducts electricity in solution but does not ionize into hydroxide ions or hydronium ions is most likely
1. a salt
2. an acid
3. a base
4. an alkali
"Alkaline" is another term for
1. acidic
2. acetic
3. basic
4. neutral
Which of the following is the conjugate base for H₃O⁺?
1. H₂O
2. OH^-
3. NaOH
4. H₂O₂
If a solution has a pOH of 8, what is its pH?
1. 6
2. 8
3. 14
4. 4
If a solution has a pH of 7, what is its pOH?
1. 7
2. 14
3. 1
4. 0
If a solution has a hydroxide ion concentration of 1 X 10^-12, what is the pH of the solution?
1. 2
2. 12
3. 14
4. -12
If a solution has a hydroxide ion concentration of 1.0 X 10^-4, what is the pOH of the solution?
1. 10
2. 4
3. -4
4. 6
If a solution has a hydroxide ion concentration of 1.0 X 10^-3, what is its pOH?
1. 3
2. 11
3. 17
4. -3
A 50 mL sample of sodium hydroxide solution is titrated with a 1.605 M solution of sulfuric acid. The titration requires 24.09 mL of the acid solution to reach the equivalence point. What is the molarity of the base solution?
1. 1.547 M NaOH
2. 0.024 M NaOH
3. 1.605 M NaOH
4. 24.09 M NaOH
A 15.00 mL sample of acetic acid is titrated with 34.13 mL of 0.9940 M NaOH. Determine the molarity of the acetic acid solution?
1. 2.262 M
2. 3.178 M
3. 00.89 M
4. 1.123
Which of the following statements is true of a basic solution?
1. It has a pH of < 7 and a [H₃O⁺] > 10^-7
2. It has a pH of > 7 and a [H₃O⁺] > 10^-7
3. It has a pH of < 7 and a [H₃O⁺] < 10^-7
4. It has a pH of > 7 and a [H₃O⁺] < 10^-7
If a solution has a pOH of 4, what is the pH?
1. 10
2. 4
3. 15
4. 7
If a solution has a pH of 3.4, what is its hydronium ion concentration?
1. 3.98 X 10^-4
2. 1.639 X 10^-4
3. 1 X 10^-6
4. 10.6 X 10^-6
Which of the following is the conjugate base for NH₄⁺?
1. OH^-
2. NH₃
3. NH₂⁺
4. H₃O⁺
A bottle is labeled 2.00 M H₂SO₄. You dicide to titrate a 20.00 mL sample with a 1.85 M NaOH solution. What volume of NaOH solution would you expect to use if the label is correct?
1. 43.2 mL NaOH
2. 37.0 mL
3. 40.0 mL
4. 10.81 mL
A chemical compound that acts as a proton donor is known as a
1. Bronstead-Lowry acid
2. Bronstead-Lowry base
3. Arrenius acid
4. Arrenius base
Weak acids are
1. weak electrolytes
2. strong electrolytes
3. nonelectrolytes
4. nonionized
What is the normality of a 2M solution of H₃PO₄?
1. 1N
2. 2N
3. 3N
4. 6N
Which of the following is true of a weak electrolyte?
1. The solute exists as partially dissociated ions and nondissociated molecules
2. The solute is fully dissociated
3. The solute exists entirely as molecules dissolved in the solvent
4. The solute exists mostly as supersaturated particles
A Lewis base is
1. an electron pair acceptor
2. an electron pair donor
3. a proton donor
4. a proton acceptor
An Arranius acid is one that
1. completely dissociates in water
2. ionizes into hydrogen (hydronium) ions in water
3. ionizes into hydroxide ions in water
4. ionizes into both hydrogen and hydroxide ions
Which of the following compounds is polyprotic?
1. HCL
2. NaOH
3. H₂SO₄
4. NaCl
An amphoteric compound is one that
1. can act as either an acid or a base
2. yields more than one hydrogen ion when completely dissociated
3. yields only one hydrogen ion when completely dissociated
4. only partially dissociates
In the reaction NH₃ + H₂O yields NH₄⁺ + OH^-, what is the acid/conjugate base pair?
1. NH₃ and H₂O
2. H₂O and OH^-
3. NH₄⁺ and OH^-
4. NH₃ and NH₄⁺
When a cation of a base combines with the anion of an acid, what is formed?
1. a salt
2. a polyprotic compound
3. an amphoteric compound
4. a Lewis base
If [OH^-] is 1 X 10^-5M, then what is the pH?
1. 9.0
2. 5.0
3. 8.0
4. 6.0
What is the pOH of a 0.070M solution of NaOH?
1. 12.8
2. 1.2
3. 7.0
4. 5.1
What is the dissociation constant for water (K_w)?
1. 7
2. 10^-14
3. 10¹⁴
4. 10^-7
What is the hydronium concentration of a 0.05 M solution of sodium hydroxide?
1. 2 X 10^-13
2. 5 X 10^-2
3. 2 X 10^-5
4. 2.5 X 10^-8

Acids, Bases, and Salts

Multiple-Choice ExerciseContent © 2006 Melanie Cecere; Authors of Activity: Melanie Cecere & Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

Which of the following statements is true of a basic solution?

A compound that conducts electricity in solution but does not ionize into hydroxide ions or hydronium ions is most likely

"Alkaline" is another term for

Which of the following is the conjugate base for H3O+?

If a solution has a pOH of 8, what is its pH?

If a solution has a pH of 7, what is its pOH?

If a solution has a hydroxide ion concentration of 1 X 10-12, what is the pH of the solution?

If a solution has a hydroxide ion concentration of 1.0 X 10-4, what is the pOH of the solution?

If a solution has a hydroxide ion concentration of 1.0 X 10-3, what is its pOH?

A 50 mL sample of sodium hydroxide solution is titrated with a 1.605 M solution of sulfuric acid. The titration requires 24.09 mL of the acid solution to reach the equivalence point. What is the molarity of the base solution?

A 15.00 mL sample of acetic acid is titrated with 34.13 mL of 0.9940 M NaOH. Determine the molarity of the acetic acid solution?

Which of the following statements is true of a basic solution?

If a solution has a pOH of 4, what is the pH?

If a solution has a pH of 3.4, what is its hydronium ion concentration?

Which of the following is the conjugate base for NH4+?

A bottle is labeled 2.00 M H2SO4. You dicide to titrate a 20.00 mL sample with a 1.85 M NaOH solution. What volume of NaOH solution would you expect to use if the label is correct?

A chemical compound that acts as a proton donor is known as a

Weak acids are

What is the normality of a 2M solution of H3PO4?

Which of the following is true of a weak electrolyte?

A Lewis base is

An Arranius acid is one that

Which of the following compounds is polyprotic?

An amphoteric compound is one that

In the reaction NH3 + H2O yields NH4+ + OH-, what is the acid/conjugate base pair?

When a cation of a base combines with the anion of an acid, what is formed?

If [OH-] is 1 X 10-5M, then what is the pH?

What is the pOH of a 0.070M solution of NaOH?

What is the dissociation constant for water (Kw)?

What is the hydronium concentration of a 0.05 M solution of sodium hydroxide?

Multiple-Choice Exercise
Content © 2006 Melanie Cecere; Authors of Activity: Melanie Cecere & Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

Which of the following is the conjugate base for H₃O⁺?

If a solution has a hydroxide ion concentration of 1 X 10^-12, what is the pH of the solution?

If a solution has a hydroxide ion concentration of 1.0 X 10^-4, what is the pOH of the solution?

If a solution has a hydroxide ion concentration of 1.0 X 10^-3, what is its pOH?

Which of the following is the conjugate base for NH₄⁺?

A bottle is labeled 2.00 M H₂SO₄. You dicide to titrate a 20.00 mL sample with a 1.85 M NaOH solution. What volume of NaOH solution would you expect to use if the label is correct?

What is the normality of a 2M solution of H₃PO₄?

In the reaction NH₃ + H₂O yields NH₄⁺ + OH^-, what is the acid/conjugate base pair?

If [OH^-] is 1 X 10^-5M, then what is the pH?

What is the dissociation constant for water (K_w)?