AnswersChemistryArrhenius, Bronsted-Lowry, and Lewis Acids and Bases

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

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1
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Which of these would most likely act as a Bronsted-Lowry acid?

A
OH raised to the negative power
B
Mg times OH raised to the plus power
C
CCl sub 4
D
HCN
2
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What is the definition of a Lewis acid?

A
a substance that donates a proton
B
a substance that accepts a proton
C
a substance that accepts electrons to form a covalent bond
D
a substance that donates electrons to form a covalent bond
3

What is the Bronsted-Lowry definition of an acid?

A
a substance that increases hydronium ion concentration
B
a compound that accepts protons
C
a substance that increases hydroxide ion concentration
D
a compound that donates protons
4

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

A
Bronsted-Lowry definition of a base
B
Arrhenius definition of a base
C
Bronsted-Lowry definition of an acid
D
Lewis definition of an acid
5

Consider the reaction. HF plus cap h sub 2 cap o rightarrow cap h sub 3 cap o raised to the plus plus cap f raised to the negative power power Which is an acid-conjugate base pair?

A
cap h sub 2 cap o and HF
B
HF and cap f raised to the negative power
C
cap h sub 2 cap o and cap f raised to the negative power
D
HF and cap h sub 3 cap o raised to the plus power
6

Consider the reaction. HClO sub 3 plus NH sub 3 rightarrow NH sub 4 raised to the plus plus ClO power sub 3 raised to the negative power Which is a base-conjugate acid pair?

A
HClO sub 3 and NH sub 4 raised to the plus power
B
NH sub 3 and NH sub 4 raised to the plus power
C
HClO sub 3 and NH sub 3
D
NH sub 3 and ClO sub 3 raised to the negative power
7

What is the Arrhenius definition of an acid?

A
A substance that increases OH raised to the negative power concentration when it is dissolved in water.
B
A compound that donates protons.
C
A compound that accepts protons.
D
A substance that increases cap h sub 3 cap o raised to the plus power concentration when it is dissolved in water.
8

Which reaction displays an example of an Arrhenius base?

A
HCl times g plus cap h sub 2 cap o l rightarrow cap h sub 3 cap o raised to the plus aq power plus Cl raised to the negative aq power
B
NaOH times s rightarrow Na raised to the plus aq power plus OH raised to the negative aq power
C
NH sub 3 times aq plus HC sub 2 cap h sub 3 cap o sub 2 aq rightarrow NH sub 4 raised to the plus aq power plus cap c sub 2 cap h sub 3 cap o sub 2 raised to the negative aq power
D
CH sub 3 COOH aq plus cap h sub 2 cap o l rightarrow cap h sub 3 cap o raised to the plus aq power plus CH sub 3 COO raised to the negative aq power
9

What is the Bronsted-Lowry definition of a base?

A
a substance that increases hydroxide ion concentration
B
a compound that accepts protons
C
a substance that increases hydronium ion concentration
D
a compound that donates protons
10

Consider the reaction. HI plus cap h sub 2 cap o rightarrow cap h sub 3 cap o raised to the plus plus cap i raised to the negative power power Which is an acid-conjugate base pair?

A
HI and cap i raised to the negative power
B
HI and cap h sub 2 cap o
C
cap h sub 2 cap o and cap h sub 3 cap o raised to the plus power
D
cap h sub 3 cap o raised to the plus power and cap i raised to the negative power

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