Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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1.
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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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2.
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What is the net ionic equation
for the reaction of aqueous lithium hydroxide and aqueous nitric acid? a. | H+(aq) + LiOH(aq) →
H2O(l) +
Li+(aq) | b. | H+(aq) + OH-(aq)
→ H2O(l) | c. | HNO3(aq) + LiOH(aq)
→ H2O(l) +
LiNO3(aq) | d. | Li+(aq) +
NO3-(aq) →
LiNO3(aq) | e. | LiOH(aq) + H2O(l) → H+(aq) +
Li(OH)2(s) | | |
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3.
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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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4.
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Write a net ionic equation for
the reaction of limestone and a strong acid. a. | Ca(s) + 2 H+(aq) → Ca2+(aq) + H2(g) | b. | CaCO3(s) + 2 H+(aq) →
Ca2+(aq) + H2CO3(s) | c. | CaCO3(s) + 2 HCl(aq) →
CaCl2(aq) + H2CO3(aq) | d. | CaCO3(s) + 2 H+(aq) →
Ca2+(aq) + CO2(g) + H2O( l) | e. | CaO(s) + 2 H+(aq) → Ca2+(aq) + H2O( l) | | |
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5.
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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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6.
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Which species in the reaction
below undergoes reduction?
Sn(s) + 2 H+(aq) →
Sn2+(aq) + H2(g)
a. | Sn | b. | H+ | c. | Sn2+ | d. | H2 | e. | No compound is
reduced. | | |
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7.
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What is the oxidation number of
phosphorus in P2O5?
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8.
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All of the following are
oxidation-reduction reactions EXCEPT a. | CaO(s) + H2O(l) →
Ca(OH)2(aq) | b. | H2(g) + Br2(g)
→ 2 HBr(g) | c. | Ca(s) + 2 HCl(aq) →
CaCl2(aq) + H2(g) | d. | 2 NaBr(aq) + F2(g) → 2 NaF(aq) + Br2(g) | e. | 2 H2O(l)
→ 2 H2(g) +
O2(g) | | |
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9.
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The pH of an aqueous KOH
solution is 12.38. What is the hydrogen ion concentration of this solution? a. | 8.1 × 10-14
M | b. | 4.2 ×
10-13 M | c. | 8.1 ×
10-6 M | d. | 0.21 M | e. | 1.1 M | | |
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10.
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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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