Chemistry: Quiz: Two Types of Bases

Quiz: Two Types of Bases

1. Ammonia and most organic bases generate OH^– ions by

a. dissociation to yield a hydroxide ion

b. extracting a hydroxide ion from a water molecule

c. extracting a hydrogen ion from a water molecule

2. The Brønsted-Lowry definition of a base is a substance that

a. can donate a proton

b. undergoes no dissociation

c. can accept a proton

3. Which of the following is a weak base?

a. NaOH

b. LiOH

c. NH₃

4. Most inorganic bases have a _________ bonded to a hydroxide ion.

a. nonmetal

b. metal

c. metalloid

5. When calcium hydroxide dissociates, how many ions are produced?

a. 1

b. 2

c. 3

6. Which of the following is a conjugate acid-base pair when NH₃ is dissolved in water?

a. NH₃ and H₂O

b. NH₄⁺ and H₂O

c. NH₃ and NH₄⁺