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Chapter 7
Acids and Bases: Please Pass the
Protons
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Education, Inc.
According to the Arrhenius theory, an acid is any
substance that dissolves in water to produce:
a.
b.
c.
d.
e.
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Education, Inc.
H3O+
OHSalts
Ions
A bitter
taste
According to the Arrhenius theory, an acid is any
substance that dissolves in water to produce:
a.
b.
c.
d.
e.
Copyright © 2010 Pearson
Education, Inc.
H3O+
OHSalts
Ions
A bitter
taste
Many metal oxides, such as Na2O, dissolve in
water to produce:
Na2O + H2O → ?
a.
b.
c.
d.
e.
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Education, Inc.
Acids
Bases
Neutral salts
Covalent
compounds
A sour taste
Many metal oxides, such as Na2O, dissolve in
water to produce:
Na2O + H2O → 2 NaOH
Sodium hydroxide–A strong base
a.
b.
c.
d.
e.
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Education, Inc.
Acids
Bases
Neutral salts
Covalent
compounds
A sour taste
What is the product when selenium dioxide reacts
with water?
Selenium dioxide + Water → ?
SeO2 + H2O → ?
a.
b.
c.
d.
e.
Se(OH)2
SeH2O2
Se + H2O3
H2SeO3
H2SeO2 + O
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Education, Inc.
What is the product when selenium dioxide reacts
with water?
Selenium dioxide + Water → ?
SeO2 + H2O → ?
a.
b.
c.
d.
e.
Se(OH)2
SeH2O2
Se + H2O3
H2SeO3
H2SeO2 + O
Nonmetal oxides are acidic anhydrides and form their
corresponding acid when they interact with water.
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Education, Inc.
Which of the following compounds is a strong acid?
a.
b.
c.
d.
e.
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Education, Inc.
HNO3
H3PO4
H2CO3
CH3COOH
H3BO3
Which of the following compounds is a strong acid?
a.
b.
c.
d.
e.
HNO3
H3PO4
H2CO3
CH3COOH
H3BO3
Strong acids ionize essentially 100% in water.
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Education, Inc.
What would be the products of the following
reaction?
H3PO4 + 3 KOH
→
a. KO + H2O + PO3
b. KPO4 + 3 H2O
c. K3P + H2O + 2 O2
d. K3PO4 + H2O + 2 O2
e. K3PO4 + 3 H2O
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Education, Inc.
? ? ?
What would be the products of the following
reaction?
H3PO4 + 3 KOH
→
K3PO4 + 3 H2O
A salt
a. KO + H2O + PO3
b. KPO4 + 3 H2O
c. K3P + H2O + 2 O2
d. K3PO4 + H2O + 2 O2
e. K3PO4 + 3 H2O
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Education, Inc.
+
water
A solution with a [H3O+] of 1 x 10-8 M would be
considered:
a.
b.
c.
d.
e.
Very acidic
Slightly acidic
Neutral
Slightly basic
Very basic
Copyright © 2010 Pearson
Education, Inc.
A solution with a [H3O+] of 1 x 10-8 M would be
considered:
a.
b.
c.
d.
e.
Very acidic
Slightly acidic
Neutral
Slightly basic (pH = 8)
Very basic
Copyright © 2010 Pearson
Education, Inc.