Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | Which
one of the following compounds is a nonelectrolyte when dissolved in water? A) | CH3CH2OH | B) | ZnBr2 | C) | LiCl | D) | Ca(NO3)2 | E) | KOH | | |
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| 2. | A
white solid is either NaI or NaNO3. If an aqueous solution of the solid is prepared, the
addition of which reagent will allow you to distinguish between the two compounds? A) | NaOH | B) | HCl | C) | K3PO4 | D) | NH4Br | E) | Pb(NO3)2 | | |
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| 3. | A
white solid is either Pb(NO3)2 or Zn(NO3)2. If an aqueous
solution is prepared, which reagent will allow you to distinguish between the two
compounds? A) | KBr | B) | HNO3 | C) | CH3CO2H | D) | NH4ClO4 | E) | LiNO3 | | |
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| 4. | What
is the net ionic equation for the reaction of aqueous lead(II) nitrate with aqueous sodium
bromide? A) | Pb(NO3)2(aq) + 2 NaBr(aq) ®
PbBr2(aq) + 2 NaNO3(s) | B) | Na+(aq) + NO3-(aq) ®
NaNO3(s) | C) | Pb2+(aq) + 2 Br-(aq) ®
PbBr2(s) | D) | Pb2+(aq) + 2 Na+(aq) ®
PbNa2(s) | E) | Pb(NO3)2(aq) + 2 NaBr(aq) ®
PbBr2(s) + 2 NaNO3(aq) | | |
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| 5. | Write
a net ionic equation for the reaction of aqueous acetic acid and aqueous potassium
hydroxide. A) | CH3CO2H(aq) + KOH(aq) ® K+(aq) +
CH3CO2-(aq) + H2O(l) | B) | CH3CO2H(aq) + KOH(aq) ®
KCH3CO2(aq) + H2O(l) | C) | H+(aq) + OH-(aq) ®
H2O(l) | D) | CH3CO2H(aq) + OH-(aq)
®
CH3CO3H2-(aq) | E) | CH3CO2H(aq) + OH-(aq) ®
CH3CO2-(aq) + H2O(l) | | |
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| 6. | Which
of the following are oxidation-reduction reactions?
1. | Zn(s) + CuSO4(aq) ®
ZnSO4(aq) + Cu(s) | 2. | Pb(ClO4)2(aq) + 2 KI(aq) ®
PbI2(s) + 2 NaClO4(aq) | 3. | CaCO3(s) ® CO2(g) + CaO(s) | | |
A) | 1 only | B) | 2
only | C) | 1 and
2 | D) | 1 and
3 | E) | 2 and
3 | | |
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| 7. | If
2.891 g MgCl2 is dissolved in enough water to make 500.0 mL of solution, what is the
molarity of the magnesium chloride solution? A) | 5.782 ´ 10-3 M | B) | 1.518
´ 10-2
M | C) | 6.073
´ 10-2
M | D) | 0.5505
M | E) | 5.782
M | | |
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| 8. | A
25.00 mL sample of NaOH is titrated with 17.13 mL of 0.3150 M HCl. What is the concentration of the
NaOH solution? A) | 0.001360
M | B) | 0.1233
M | C) | 0.2158
M | D) | 0.4597
M | E) | 0.7356
M | | |
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| 9. | Which
one of the following compounds is a weak electrolyte when dissolved in water? A) | sodium hydroxide
(NaOH) | B) | sodium acetate
(NaCH3CO2) | C) | acetic acid
(CH3CO2H) | D) | glucose
(C6H12O6) | E) | calcium chloride (CaCl2) | | |
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| 10. | If
0.10 mole of each of the following compounds is dissolved to a volume of 1.0 L in water, which one
will have the highest concentration of dissolved ions? A) | HF | B) | NaOH | C) | MgSO4 | D) | Al(NO3)3 | E) | CaI2 | | |
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| 11. | Which
of the following statements are correct?
1. | Salts of phosphate ion are insoluble in water, with the
exception of those with NH4+ and alkali metal
cations. | 2. | All salts of
nitrate ion are soluble in water. | 3. | Most salts of ammonium ion are soluble in
water. | | |
A) | 1
only | B) | 2
only | C) | 3
only | D) | 1 and
2 | E) | 1, 2, and
3 | | |
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| 12. | Which
of the following statements are correct?
1. | All salts of carbonate ion are soluble in
water. | 2. | Most salts of
chloride ion are soluble in water. | 3. | All salts of hydroxide ion are soluble in
water. | | |
A) | 1
only | B) | 2
only | C) | 3
only | D) | 1 and
2 | E) | 1, 2, and
3 | | |
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| 13. | Which
of the following compounds will be soluble in water: LiOH, Mg(OH)2, Cu(OH)2,
and Fe(OH)3? A) | LiOH only | B) | LiOH and
Mg(OH)2 | C) | Cu(OH)2 and
Fe(OH)3 | D) | Mg(OH)2 and
Cu(OH)2 | E) | LiOH, Mg(OH)2, and
Fe(OH)3 | | |
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| 14. | A
precipitate will form when aqueous AgNO3 is added to an aqueous solution of
____. A) | KNO3 | B) | Cu(NO3)2 | C) | KI | D) | Ca(ClO4)2 | E) | NaNO3 | | |
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| 15. | What
is the net ionic equation for the reaction of aqueous sodium carbonate with aqueous iron(III)
chloride? A) | 3
Na+(aq) + Fe3+(aq) ® Na3Fe(s) | B) | Na+(aq) + Cl-(aq) ® NaCl(s) | C) | 3
Na2CO3(aq) + 2 FeCl3(aq) ® 6 NaCl(aq) +
Fe2(CO3)3(aq) | D) | 2
Fe3+(aq) + 3 CO32-(aq) ®
Fe2(CO3)3(s) | E) | CO32-(aq) + Cl-(aq) ®
CO2(g) + Cl2O(s) | | |
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| 16. | Which
of the following compounds is a weak acid? A) | H3PO4 | B) | HI | C) | HBr | D) | HClO4 | E) | H2SO4 | | |
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| 17. | Which
of the following compounds is a weak base? A) | LiOH | B) | KCl | C) | CH3CO2H | D) | Sr(OH)2 | E) | NH3 | | |
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| 18. | Sulfuric acid is the product of the reaction of ____ and
H2O. A) | H2S | B) | SO2 | C) | SO32- | D) | SO42- | E) | SO3 | | |
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| 19. | What
are the spectator ions in the reaction between aqueous perchloric acid and aqueous potassium
hydroxide? A) | H+,
ClO4-, K+, and OH- | B) | H+
and OH- | C) | K+ and
ClO4- | D) | H+ and
ClO4- | E) | K+ and OH- | | |
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| 20. | Write
a balanced equation for the reaction of aqueous solutions of potassium sulfide and hydrochloric
acid. A) | K2S(aq) + 2 HCl(aq) ® 2 KH(aq) + SCl2(g) | B) | K2S(aq) + HCl(aq) ® HS(g) + KCl(aq) | C) | K2S(aq) + 2 HCl(aq) ® H2S(g) + 2 KCl(aq) | D) | K2S(aq) + 2 HCl(aq) ® 2 K(s) + H2(g) +
SCl2(g) | E) | K2S(aq) + 2 HCl(aq) ® S(s) +
H2(g) + 2 KCl(aq) | | |
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| 21. | Which
molecule in the reaction below undergoes oxidation?
2 C2H2(g) + 5 O2(g) ® 4
CO2(g) + 2 H2O(g)
A) | C2H2 | B) | O2 | C) | H2O | D) | CO2 | E) | C2H2 and
O2 | | |
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| 22. | What
is the oxidation number of each atom in sodium perbromate, NaBrO4? A) | Na = +1, Br =
-1, O = -2 | B) | Na = +1, Br = +1, O = -2 | C) | Na = +1, Br =
+7, O = -2 | D) | Na = -1, Br = -1, O = +2 | E) | Na = +1, Br =
-1, O = 0 | | |
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| 23. | If
5.15 g FeCl3 is dissolved in enough water to make exactly 150.0 mL of solution, what is
the molar concentration of chloride ion? A) | 0.103 M | B) | 0.212
M | C) | 0.578
M | D) | 0.635
M | E) | 16.7
M | | |
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| 24. | What
is the mass of solute in 225 mL of 5.91 ´ 10-2 M KIO3? A) | 0.0133
g | B) | 0.0562
g | C) | 0.263
g | D) | 1.51
g | E) | 2.85
g | | |
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| 25. | If
0.3000 g of impure soda ash (Na2CO3) is titrated with 17.66 mL of 0.1187 M HCl,
what is the percent purity of the soda ash?
Na2CO3(aq) + 2 HCl(aq) ® 2 NaCl(aq) +
H2O(l) +
CO2(g) A) | 11.11% | B) | 22.22% | C) | 57.91% | D) | 37.03% | E) | 74.06% | | |
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| 26. | What
volume of 0.300 M NaCl is required to precipitate all the Pb2+ ion from 25.0 mL of aqueous
0.440 M Pb(NO3)2?
Pb(NO3)2(aq) + 2 NaCl(aq) ®
PbCl2(s) + 2 NaNO3(aq) A) | 17.0 mL | B) | 36.7
mL | C) | 73.3
mL | D) | 84.4
mL | E) | 147
mL | | |
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| 27. | Acids
that ionize extensively in solution are referred to as A) | dissociators. | B) | weak electrolytes. | C) | Arrhenius
acids. | D) | Brønsted-Lowry acids. | E) | strong
acids. | | |
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| 28. | According to the Brønsted-Lowry definition, an acid A) | increases the
H3O+ concentration in an aqueous solution. | B) | increases the
OH- concentration in an aqueous solution. | C) | is a proton
acceptor. | D) | is a proton donor. | E) | is an electron
pair-acceptor. | | |
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Short Answer
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| | 29. | A(n)
________ agent gains electrons in an oxidation-reduction reaction.
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| | 30. | You
mix 50.0 mL of 0.185 M AgNO3 with 70.0 mL of 0.142 M KBr. What is the maximum mass of
precipitate formed?
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| | 31. | Write
a net ionic equation for the neutralization reaction of ammonium chloride and sodium hydroxide.
Identify the spectator ions.
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