AnswersCrowley Original Credit Chemistry BNeutralization Reactions

Neutralization Reactions — Unit test Answers

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Which statement best describes salts?

A
Salts form from hydrogen ions and hydroxide ions in neutralization reactions.
B
Most salts do not dissociate when dissolved in water.
C
Most salts form solutions that are neutral.
D
Solutions of salt and water conduct electricity.
2
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Consider the chemical equation below.Which is the net ionic equation?

Question illustration
A
Upper H superscript plus, plus upper O upper H superscript minus right arrow upper H subscript 2 upper O.
Option A
B
Upper M g superscript 2 plus, plus 2 upper O upper H superscript minus, plus 2 upper H superscript plus right arrow upper M g superscript 2 plus, plus 2 upper H subscript 2 upper O.
Option B
C
Upper M g superscript 2 plus, plus 2 upper N upper O subscript 3 superscript minus right arrow upper M g superscript 2 plus plus 2 upper N upper O subscript 3 superscript minus.
Option C
D
Upper M g superscript 2 plus plus 2 upper O upper H superscript minus plus 2 upper H superscript plus plus 2 upper N upper O subscript 3 superscript minus right arrow upper M g superscript 2 plus, plus 2 upper N upper O subscript 3 superscript minus plus 2 upper H subscript 2 upper o.
Option D
3

The two products that are formed when a solution of HNO3 and a solution of NaOH react are water and

A
NaNO2.
B
NaNO3.
C
NaHNO.
D
NaHNO3.
4

The equivalence point in a titration refers to the point when

A
the mL of the acid equals the mL of the base.
B
the molarity of the acid used in the reaction equals the molarity of the base used in the reaction.
C
the number of moles of one reactant reacts completely with the moles of the other reactant.
D
the acid in the flask turns clear.
5

Which characteristic best identifies an Arrhenius base?

A
It must donate electrons to form a covalent bond.
B
It must accept protons from an acid.
C
It must generate hydroxide ions in water.
D
It must form a conjugate acid after reacting.
6

What is the Arrhenius definition of a base?

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.
7

A compound accepts electrons from another substance to form a covalent bond. Which term best describes this compound’s behavior?

A
Lewis acid
B
Arrhenius base
C
Bronsted-Lowry acid
D
Bronsted-Lowry base
8

Why is citric acid added to food?

A
to add color
B
to add tartness
C
to add bitterness
D
to add sweetness
9

A substance is dissolved in water and produces hydronium ions. This occurs when hydrogen ions move from the substance to associate with water molecules. Which term best matches the behavior of this substance?

A
Arrhenius base
B
Arrhenius acid
C
Bronsted-Lowry base
D
Bronsted-Lowry acid
10

How does litmus paper identify a base?

A
A base turns red litmus blue.
B
A base turns blue litmus red.
C
A base turns orange litmus red.
D
A base turns yellow litmus blue.
11

Which of the following is the last step in performing a titration?

A
finding out which pH indicator works
B
determining the concentration of an unknown base
C
finding the number of moles of product produced in a reaction
D
determining the molecular masses of the products in the reaction
12

Which piece of glassware shown below is used to hold and dispense a solution of known concentration during a titration?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D

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