AnswersCrowley Original Credit Chemistry BArrhenius, Bronsted-Lowry, and Lewis Acids and Bases

Arrhenius, Bronsted-Lowry, and Lewis Acids and Bases Answers

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What is the Arrhenius definition of an acid?

A
A substance that increases H3O+ concentration when it is dissolved in water.
B
A substance that increases OH– concentration when it is dissolved in water.
C
A compound that donates protons.
D
A compound that accepts protons.
2
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Which statement describes the Arrhenius interpretation of acids and bases?

A
It has a wider range of applications than the Bronsted-Lowry interpretation.
B
It has a wider range of applications than the Lewis and Bronsted-Lowry interpretations.
C
It is used in situations that involve bases that do not produce hydroxide ions.
D
It is limited to situations that involve aqueous solutions or specific compounds.
3

Consider the reaction below.HClO3 + NH3 NH4+ + ClO3–Which is a base-conjugate acid pair?

Question illustration
A
NH3 and ClO3–
B
NH3 and NH4+
C
HClO3 and NH3
D
HClO3 and NH4+
4

Consider the reaction below.H2PO4– + H2O H3O+ + HPO42–Which of the following is a base–conjugate acid pair?

Question illustration
A
H2O and H3O+
B
H2O and H2PO4–
C
H2PO4– and HPO42–
D
H2PO4– and H3O+
5

Consider the reaction below.HI + H2O H3O+ + I–Which is an acid-conjugate base pair?

Question illustration
A
HI and H2O
B
H2O and H3O+
C
H3O+ and I–
D
HI and I–
6

Which term describes a substance that increases the concentration of hydroxide ions in solution?

A
Lewis definition of an acid
B
Arrhenius definition of a base
C
Bronsted-Lowry definition of a base
D
Bronsted-Lowry definition of an acid
7

Which statement best describes a Bronsted-Lowry base?

A
It must accept protons to form a conjugate base.
B
It must accept protons to form a conjugate acid.
C
It must donate protons to form a conjugate base.
D
It must donate protons to form a conjugate acid.
8

Which of the following would most likely act as a Bronsted-Lowry acid?

A
Option
Option A
B
HCN
C
CCl4
D
Mg(OH)+
9

Which is a characteristic of a Lewis base?

A
It behaves as the electron donor.
B
It behaves as the electron acceptor.
C
It donates a hydrogen ion to other compounds.
D
It increases the concentration of hydrogen ions.
10

A chemist lectures about the following definition for acids and bases.The acid-base behavior is analyzed in terms of how electrons are transferred between compounds rather than in terms of how hydrogen ions are transferred.What is the chemist defining?

A
the Arrhenius concept of acids and bases
B
the classical concept of acids and bases
C
the Lewis concept of acids and bases
D
the Bronsted-Lowry concept of acids and bases

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