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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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+
2
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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.
3

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

A
mc009-1.jpg
Option A
B
HCN
C
CCl4
D
Mg(OH)+
4

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.
5

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
6

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
7

Consider the reaction below.HF + H2O H3O + FWhich is an acid-conjugate base pair?

Question illustration
A
HF and H3O+
B
HF and F
Option B
C
H2O and HF
D
H2O and F
Option D
8

What is the Bronsted-Lowry definition of a base?

A
a compound that donates protons
B
a compound that accepts protons
C
a substance that increases hydroxide ion concentration
D
a substance that increases hydronium ion concentration
9

What is the definition of a Lewis acid?

A
a substance that accepts electrons to form a covalent bond
B
a substance that donates electrons to form a covalent bond
C
a substance that accepts a proton
D
a substance that donates a proton
10

What is the Bronsted-Lowry definition of an acid?

A
a compound that donates protons
B
a compound that accepts protons
C
a substance that increases hydroxide ion concentration
D
a substance that increases hydronium ion concentration

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