Deck 11: Acids and Bases

Question 1

The conjugate base of is

A)
B)
C)
D)
E)

Answer 1

Question 2

Which of the following is the weakest acid?

A)
B)
C)
D)

Answer 2

Question 3

The name given to an aqueous solution of HNO3 is

A)hydrogen nitrate.
B)hydronitrogen acid.
C)hyponitric acid.
D)nitrous acid.
E)nitric acid.

Answer 3

nitric acid.

Question 4

The conjugate acid of is

A)
B)
C)
D)
E)

Question 5

What is the in a solution with

A)
B)
C)
D)
E)

Question 6

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution

A)
B)
C)
D)
E)

Question 7

Ammonium hydroxide is a weak base because

A)it cannot hold on to its hydroxide ions.
B)it is completely ionized in aqueous solution.
C)it dissociates only slightly in water.
D)it is only slightly soluble in water.
E)it is a dilute solution.

Question 8

Which of the following is the strongest base?

A)
B)
C)
D)
E)

Question 9

According to the Arrhenius concept, if were dissolved in water, it would act as

A) a source of hydroxide ions.
B) a base.
C) a source of ions.
D) a proton acceptor.
E) an acid.

Question 10

Which one of the following is characteristic of a base?

A) has a sour taste
B) has a slippery, soapy feel
C) produces in water
D) is insoluble in water
E) turns blue litmus red

Question 11

According to the Brønsted-Lowry definition,

A)an acid acts as the solvent.
B)a base is a proton donor.
C)an acid is a proton acceptor.
D)a base is a proton acceptor.
E)a base produces H+ ions in aqueous solutions.

Question 12

According to the Arrhenius concept, if NaOH were dissolved in water, it would act as

A)a proton donor.
B)a source of hydronium ions.
C)an acid.
D)a source of H- ions.
E)a base.

Question 13

The correct formula for sulfuric acid is

A)
B)
C)
D)
E)

Question 14

Identify the acids in the following reaction.

A)
B)
C)
D)
E)

Question 15

The name given to an aqueous solution of is

A) hypochlorous acid.
B) hydrochloric acid.
C) chlorous acid.
D) hypochloric acid.
E) chloric acid.

Question 16

The name of is

A) aluminum hydroxide.
B) aluminum trihydroxide.
C) aluminum(III) hydroxide.
D) monoaluminum trihydroxide.
E) aluminum oxygen hydride.

Question 17

The name given to an aqueous solution of HBr is

A)hydrogen bromide.
B)bromous acid.
C)hypobromous acid.
D)hydrobromic acid.
E)bromic acid.

Question 18

The conjugate base of is

A)
B)
C)
D)
E)

Question 19

Which of the following is the strongest acid?

A)
B)
C)
D)

Question 20

Which of the following is correctly identified?

A)
B)
C)
D)
E)

Question 21

What is the pH of a solution with

A) 9.0
B)
C) 5.0
D) -5.0
E) -9.0

Question 22

A solution which has is

A) acidic.
B) basic.
C) neutral.

Question 23

In which of the following are the pH values arranged from the most acidic to the most basic?

A)7, 10, 14, 4, 3, 1
B)1, 3, 6, 8, 11, 14
C)14, 10, 7, 1, 3, 5
D)14, 10, 7, 4, 3, 1
E)2, 5, 7, 9, 10, 1.1

Question 24

A solution which has is

A) acidic.
B) basic.
C) neutral.

Question 25

A patient with alkalosis has a blood pH of 7.60 . What is the of her blood plasma?

A)
B)
C)
D) -7.60 M
E)

Question 26

What is the pH of a solution with

A) 9.70
B) -9.70
C) 4.30
D)
E) -4.30

Question 27

What is the pH of a solution with

A) 4.0
B) -4.0
C)
D) 10.0
E) -10.0

Question 28

What is the in a solution that has a

A)
B)
C)
D)
E)

Question 29

In which of the following are the pH values arranged from the most basic to the most acidic?

A)1, 3, 6, 8, 11, 14
B)2, 5, 7, 9, 10, 11
C)14, 10, 7, 1, 3, 5
D)14, 10, 7, 4, 3, 1
E)7, 10, 14, 4, 3, 1

Question 30

What is the in a solution that has a

A)
B)
C)
D)
E)

Question 31

When a piece of magnesium metal is added to hydrochloric acid, what gas is produced?

A)nitrogen
B)hydrogen
C)oxygen
D)chlorine
E)carbon dioxide

Question 32

What is the in a solution that has a

A)
B)
C)
D)
E)

Question 33

An acid and base react to form a salt and water in a(n)________ reaction.

A)dissociation
B)oxidation
C)reduction
D)ionization
E)neutralization

Question 34

What is the pH of a solution with

A) -2.52
B) 3.00
C) 9.00
D)
E) 2.52

Question 35

The of a solution with is

A)
B)
C)
D)
E)

Question 36

A solution which has is

A) acidic.
B) basic.
C) neutral.

Question 37

The of a solution with is

A) -10 M .
B)
C) 10 M.
D)
E)

Question 38

In a sulfuric acid solution, where the is 0.01 M, what is the pH?

A) pH=11.0
B) pH=12.0
C) pH=5.0
D) pH=2.0
E) pH=3.0

Question 39

The of a solution with pH=8.34 is

A)
B)
C)
D)
E)

Question 40

A solution with a pH of 4 is

A)extremely acidic.
B)moderately acidic.
C)neutral.
D)extremely basic.
E)slightly basic.

Question 41

How many moles of are produced when 1 mole of reacts with 1 mole of

A) 1
B) 2
C) 3
D) 4
E) 5

Question 42

What is the molarity of a KOH solution if 25.0 mL neutralizes 35.0 mL of a 0.200 M HCl solution?

A)0.280 M
B)0.143 M
C)0.200 M
D)0.100 M
E)0.267 M

Question 43

A 25.0 mL sample of requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?

A) 0.750 M
B) 0.333 M
C) 1.50 M
D) 1.00 M
E) 3.00 M

Question 44

In a buffer system of HF and its salt, NaF,

A) the HF neutralizes added acid.
B) the neutralizes added base.
C) the HF neutralizes added base.
D) the neutralizes added
E) the HF is not necessary.

Question 45

In a neutralization reaction, how many moles of react with 1 mole of

A) 1
B) 2
C) 3
D) 4
E) 5

Question 46

A 10.0 mL of 0.121 M is neutralized by 17.1 mL of KOH solution. The molarity of the KOH solution is

A) 0.142 M
B) 0.428 M
C) 0.207 M
D) 0.0708 M
E) 0.4141 M

Question 47

The neutralization reaction between and produces the salt with the formula

A)
B)
C)
D)
E)

Question 48

Question 49

The function of a buffer is to

A)maintain the pH of a solution.
B)act as a strong acid.
C)change color at the end point of a titration.
D)maintain a neutral pH.
E)be a strong base.

Question 50

Which of the following is a buffer system?

A)
B) HCl and NaOH
C) NaCl and NaOH
D)
E)

Question 51

The normal blood pH is about

A)7.00.
B)7.20.
C)7.40.
D)6.80.
E)7.60.

Question 52

Which of the following is the correctly balanced equation for the complete neutralization of with

A)
B)
C)
D)
E)

Question 53

How many milliliters of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H₃PO₄?

A)7.50 mL
B)15.0 mL
C)0.833 mL
D)5.00 mL
E)2.50 mL

Question 54

How many milliliters of 0.100 M are required to neutralize 20.0 mL of 0.250 M HCl?

A) 25.0 mL
B) 0.250 mL
C) 100 mL
D) 0.50 mL
E) 50.0 mL

Question 55

Which of the following could be a buffer?

A)
B)
C)
D)
E)

Question 56

Which of the following is a neutralization reaction?

A)
B)
C)
D)
E)

Question 57

How many milliliters of 0.400 M NaOH are required to completely neutralize 20.0 mL of 0.200 M HCl?

A)10.0 mL
B)50.0 mL
C)0.100 mL
D)40.0 mL
E)20.0 mL

Question 58

25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is

A)0.115 M.
B)0.212 M.
C)0.137 M.
D)0.390 M.
E)0.500 M.

Question 59

In a neutralization reaction,

A)water and a salt react to form an acid and a base.
B)two acids react to form water.
C)an acid and a base react to form a salt and water.
D)an acid and a salt react to form water and a base.
E)a base and a salt react to form water and an acid.

Question 60

A 25.0 mL sample of requires 20.0 mL of 2.00 M KOH for complete neutralization. What is the molarity of acid?

A) 0.800 M
B) 1.60 M
C) 2.00 M
D) 1.25 M
E) 2.50 M

Question 61

The conjugate acid of

Question 62

Which solution has the lowest pH?

A)a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate
B)a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate
C)a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate
D)a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate
E)All of the buffers have the same pH since they are all made with acetic acid and sodium acetate.

Question 63

The name of HCl is________.

Question 64

When hyperventilation (rapid breathing)causes a patient to exhale large amounts of CO₂, the blood pH rises in a condition called

A)pulmonary distress.
B)metabolic acidosis.
C)respiratory alkalosis.
D)respiratory acidosis.
E)metabolic alkalosis.

Question 65

What is the name of the medical condition of an asthmatic patient with a blood pH of 7.30?

A)metabolic alkalosis
B)respiratory acidosis
C)respiratory alkalosis
D)diabetes mellitus
E)metabolic acidosis

Question 66

The of
What is the pH of a buffer with 0.050 M and 0.50 M

A) 7.37
B) 5.37
C) 4.3 x 10^-7
D) 6.37
E) 7.63

Question 67

If a condition of hyperventilation occurs, the blood pH of the patient is expected to

A)stay the same.
B)decrease.
C)concentrate.
D)saturate.
E)increase.

Question 68

Identify the conjugate acid-base pairs in the following reaction:

Question 69

The of
What is the pH of a buffer with 0.10 M and 0.010 M

A) 6.37
B) 7.37
C) 5.37
D) 7.63
E)

Question 70

The conjugate base of

Question 71

Write the proper acid dissociation expression for the ionization of acetic acid,

Question 72

Which solution has the highest pH?

A)a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate
B)a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate
C)a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate
D)a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate
E)All of the buffers have the same pH since they are all made with acetic acid and sodium acetate.