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Enriched Chemistry Chapter 14 Test



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Acids taste
a.
sweet.
c.
bitter.
b.
sour.
d.
salty.
 

 2. 

Acetic acid is found in
a.
lemons.
c.
sour milk.
b.
vinegar.
d.
apples.
 

 3. 

Acids generally release H2 gas when they react with
a.
nonmetals.
c.
active metals.
b.
semimetals.
d.
inactive metals.
 

 4. 

Acids react with
a.
bases to produce salts and water.
c.
water to produce bases and salts.
b.
salts to produce bases and water.
d.
neither bases, salts, nor water.
 

 5. 

Aqueous solutions of acids
a.
contain only two different elements.
c.
have very high boiling points.
b.
carry electricity.
d.
cannot be prepared.
 

 6. 

Bases taste
a.
soapy.
c.
sweet.
b.
sour.
d.
bitter.
 

 7. 

Bases feel
a.
rough.
c.
slippery.
b.
moist.
d.
dry.
 

 8. 

Bases react with
a.
acids to produce salts and water.
c.
water to produce acids and salts.
b.
salts to produce acids and water.
d.
neither acids, salts, nor water.
 

 9. 

Aqueous solutions of bases
a.
contain only two different elements.
c.
have very high boiling points.
b.
carry electricity.
d.
cannot be prepared.
 

 10. 

A binary acid contains
a.
two hydrogen atoms.
c.
hydrogen and two other elements.
b.
hydrogen and one other element.
d.
hydrogen and three other elements.
 

 11. 

Which of the following is a binary acid?
a.
H2SO4
c.
HBr
b.
CH3COOH
d.
NaOH
 

 12. 

The name of a binary acid
a.
has no prefix.
c.
ends with the suffix -ous.
b.
begins with the prefix bi-.
d.
begins with the prefix hydro-.
 

 13. 

Which of the following is not an oxyacid?
a.
H2O2
c.
HClO4
b.
H2SO4
d.
HClO2
 

 14. 

Which acid is manufactured in largest quantity?
a.
hydrochloric acid
c.
nitric acid
b.
phosphoric acid
d.
sulfuric acid
 

 15. 

Which acid is used to make fertilizers and detergents and is a flavoring agent in beverages?
a.
hydrochloric acid
c.
nitric acid
b.
phosphoric acid
d.
sulfuric acid
 

 16. 

Which acid is used mainly in the manufacture of explosives, rubber, plastics, dyes, and drugs?
a.
hydrochloric acid
c.
nitric acid
b.
phosphoric acid
d.
sulfuric acid
 

 17. 

Which acid is produced in the stomach?
a.
hydrochloric acid
c.
nitric acid
b.
phosphoric acid
d.
sulfuric acid
 

 18. 

The traditional definition of acids is based on the observations of
a.
Brønsted and Lowry.
c.
Arrhenius.
b.
Lewis.
d.
Mendeleev.
 

 19. 

Arrhenius theorized that an acid is a chemical compound that
a.
increases the concentration of hydrogen ions when dissolved in water.
b.
increases the concentration of hydroxide ions when dissolved in water.
c.
decreases the concentration of hydrogen ions when dissolved in water.
d.
decreases the concentration of hydroxide ions when dissolved in water.
 

 20. 

Arrhenius theorized that a base is a chemical compound that
a.
increases the concentration of hydrogen ions when dissolved in water.
b.
increases the concentration of hydroxide ions when dissolved in water.
c.
decreases the concentration of hydrogen ions when dissolved in water.
d.
decreases the concentration of hydroxide ions when dissolved in water.
 

 21. 

A substance that ionizes nearly completely in aqueous solutions and produces H3O+ is a
a.
weak base.
c.
weak acid.
b.
strong base.
d.
strong acid.
 

 22. 

Which of the following is a monoprotic acid?
a.
H2SO4
c.
HCl
b.
CH3COOH
d.
H3PO4
 

 23. 

Which of the following is a diprotic acid?
a.
H2SO4
c.
HCl
b.
CH3COOH
d.
H3PO4
 

 24. 

Whose definition of acids and bases emphasizes the role of protons?
a.
Brønsted and Lowry
c.
Arrhenius
b.
Lewis
d.
Bohr
 

 25. 

A Brønsted-Lowry acid is a(n)
a.
electron-pair acceptor.
c.
proton acceptor.
b.
electron-pair donor.
d.
proton donor.
 

 26. 

In the equation HCl(g) + H2O(l) ® H3O+(aq) + Cl(aq), which species is a Brønsted-Lowry acid?
a.
HCl
c.
Cl
b.
H2O
d.
None of the above
 

 27. 

A Brønsted-Lowry base is a(n)
a.
producer of OH ions.
c.
electron-pair donor.
b.
proton acceptor.
d.
electron-pair acceptor.
 

 28. 

In the reaction represented by the equation mc028-1.jpg, H2O is a(n)
a.
Brønsted-Lowry acid.
c.
Brønsted-Lowry base.
b.
Lewis base.
d.
Arrhenius.
 

 29. 

A Lewis acid is
a.
an electron-pair acceptor.
c.
a proton acceptor.
b.
an electron-pair donor.
d.
a proton donor.
 

 30. 

Whose acid definition is the broadest?
a.
Arrhenius
c.
Brønsted-Lowry
b.
Lewis
d.
Faraday
 

 31. 

A Lewis base is a(n)
a.
producer of OH ions.
c.
electron-pair donor.
b.
proton acceptor.
d.
electron-pair acceptor.
 

 32. 

An electron-pair acceptor is a(n)
a.
Brønsted-Lowry base.
c.
Lewis base.
b.
Lewis acid.
d.
Arrhenius acid.
 

 33. 

The reaction represented by the equation Ag+(aq) + 2NH3(aq) ® [Ag(NH3)2]+(aq) is a(n)
a.
traditional acid-base reaction.
c.
Brønsted-Lowry acid-base reaction.
b.
Lewis acid-base reaction.
d.
None of the above
 

 34. 

In the reaction represented by the equation Ag+(aq) + 2NH3(aq) ® [Ag(NH3)2]+(aq), Ag+ is a
a.
Brønsted-Lowry acid.
c.
Brønsted-Lowry base.
b.
Lewis acid.
d.
Arrhenius base.
 

 35. 

A conjugate acid is the species that
a.
remains after a base has given up a proton.
b.
is formed by the addition of a proton to a base.
c.
is formed by the addition of a proton to an acid.
d.
remains after an acid has given up a proton.
 

 36. 

A species that remains when an acid has lost a proton is a
a.
conjugate base.
c.
strong base.
b.
conjugate acid.
d.
strong acid.
 

 37. 

How many conjugate acid-base pairs participate in a Brønsted-Lowry acid-base reaction?
a.
none
c.
two
b.
one
d.
four
 

 38. 

In the reaction represented by the equation mc038-1.jpg mc038-2.jpg mc038-3.jpg, a conjugate acid-base pair is
a.
HF and H2O.
c.
H3O+ and H2O.
b.
F and H3O+.
d.
HF and H3O+.
 

 39. 

In the reaction represented by the equation mc039-1.jpg mc039-2.jpg mc039-3.jpg, a conjugate acid-base pair is
a.
F and H2O.
c.
H3O+ and HF.
b.
HF and F.
d.
HF and H2O.
 

 40. 

In the reaction represented by the equation mc040-1.jpg mc040-2.jpg mc040-3.jpg, the conjugate acid of CH3COO is
a.
H2O.
c.
H3O+.
b.
CH3COOH.
d.
not shown.
 

 41. 

A species that can react as either an acid or a base is a(n)
a.
Lewis acid.
c.
oxyacid.
b.
amphoteric substance.
d.
salt.
 



 
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