Which of the following best defines pH?

The negative logarithm of the hydrogen ion concentration

The positive logarithm of the hydrogen ion concentration

The negative logarithm of the hydroxide ion concentration

The sum of hydrogen and hydroxide ion concentrations

Which of the following statements best describes an Arrhenius acid?

Produces H $$^+$$ ions in water

Produces OH $$^-$$ ions in water

What are the products of the reaction between H $$_2$$ SO $$_4$$ and KOH?

K $$_2$$ SO $$_4$$ and H $$_2$$ O

Which of the following best describes the difference between Arrhenius and Bronsted-Lowry definitions of acids and bases?

Arrhenius focuses on ions in water, Bronsted-Lowry focuses on proton transfer

Both focus only on water solutions

Arrhenius focuses on electron transfer, Bronsted-Lowry on ions

Both are identical in all cases

Which of the following pairs correctly matches a strong acid and a weak acid?

HCl (strong), CH $$_3$$ COOH (weak)

HCl (weak), CH $$_3$$ COOH (strong)

H $$_2$$ SO $$_4$$ (weak), HNO $$_3$$ (strong)

HNO $$_3$$ (weak), H $$_2$$ CO $$_3$$ (strong)

Which of the following is true about strong and weak bases?

Strong bases dissociate completely in water, weak bases do not

Weak bases dissociate completely in water, strong bases do not

Both dissociate completely in water

Which of the following best explains why NH $$_3$$ is considered a base in the Bronsted-Lowry theory?

It produces OH $$^-$$ directly in water

A student mixes H $$_2$$ SO $$_4$$ and NaOH. Predict the products and write the balanced equation.

Na $$_2$$ SO $$_4$$ + 2H $$_2$$ O; H $$_2$$ SO $$_4$$ + 2NaOH $$\rightarrow$$ Na $$_2$$ SO $$_4$$ + 2H $$_2$$ O

NaSO $$_4$$ + H $$_2$$ O; H $$_2$$ SO $$_4$$ + NaOH $$\rightarrow$$ NaSO $$_4$$ + H $$_2$$ O

Na $$_2$$ SO $$_3$$ + H $$_2$$ O; H $$_2$$ SO $$_4$$ + 2NaOH $$\rightarrow$$ Na $$_2$$ SO $$_3$$ + 2H $$_2$$ O

NaOH + H $$_2$$ SO $$_4$$ ; NaOH + H $$_2$$ SO $$_4$$ $$\rightarrow$$ NaOH + H $$_2$$ SO $$_4$$

Given the following acids: HCl, HNO $$_3$$ , and CH $$_3$$ COOH, which would you expect to have the lowest pH when dissolved at the same concentration? Explain your reasoning.

HCl, because it is a strong acid and dissociates completely

CH $$_3$$ COOH, because it is a weak acid and dissociates partially

HNO $$_3$$ , because it is a weak acid and dissociates partially

CH $$_3$$ COOH, because it is a strong acid and dissociates completely

A student is given a solution with a pH of 2. Which of the following statements is most accurate about the hydrogen ion concentration?

The hydrogen ion concentration is $$1 \times 10^{-2}$$ M, indicating a strong acid

The hydrogen ion concentration is $$1 \times 10^{-7}$$ M, indicating a neutral solution

The hydrogen ion concentration is $$1 \times 10^{-12}$$ M, indicating a strong base

The hydrogen ion concentration is $$1 \times 10^{-14}$$ M, indicating a very weak acid

Unit 11 Acids and Bases Quiz Quiz

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for hydrochloric acid?

H $_2$ SO $_4$

HCl

HNO $_3$

H $_2$ O

Tags

TX.112.43.C.12.A.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct IUPAC name for NaOH?

Sodium oxide

Sodium hydride

Sodium peroxide

Sodium hydroxide

Tags

TX.112.43.C.12.A.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for sulfuric acid?

H $_2$ SO $_3$

H $_2$ S

H $_2$ SO $_4$

HSO $_4$

Tags

TX.112.43.C.12.A.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct formula for acetic acid?

HCOOH

C $_2$ H $_5$ OH

CH $_3$ COOH

C $_6$ H $_5$ COOH

Tags

TX.112.43.C.12.A.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a base according to the Arrhenius definition?

HCl

H $_2$ SO $_4$

NaOH

CH $_3$ COOH

Tags

TX.112.43.C.12.B.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the Bronsted-Lowry definition, which species acts as a base?

HCl

NH $_3$

H $_2$ SO $_4$

HNO $_3$

Tags

TX.112.43.C.12.B.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a strong acid?

HCN

HCl

CH $_3$ COOH

H $_2$ CO $_3$

Tags

TX.112.43.C.12.C.

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a weak base?

NaOH

NH $_3$

KOH

Ca(OH) $_2$

Tags

TX.112.43.C.12.C.

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product when HCl reacts with NaOH?

NaCl and H $_2$

NaCl and H $_2$ O

NaOH and H $_2$ O

H $_2$ and O $_2$

Tags

TX.112.43.C.12.D.

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