Chapter 04 – Reactions in Aqueous Solutions
42. Identify the correct net ionic equation for the reaction that occurs when solutions of
HClO4 and Ba(OH)2 are mixed.
Chapter 04 – Reactions in Aqueous Solutions
43. Identify the correct net ionic equation for the reaction that occurs when solutions of HF
and KOH are mixed.
Chapter 04 – Reactions in Aqueous Solutions
44. The oxidation number of N in NaNO3 is
45. The oxidation number of S in K2SO4 is
46. The oxidation number of Mn in KMnO4 is
Chapter 04 – Reactions in Aqueous Solutions
47. The oxidation number of Fe in K3Fe(CN)6 is
48. The oxidation number of Cr in Cr2O72– is
49. For the chlorate ion, ClO3– , what are the oxidation states of the Cl and O, respectively?
Chapter 04 – Reactions in Aqueous Solutions
50. For the perchlorate ion ClO4– , what are the oxidation states of the Cl and O, respectively?
51. The highest possible oxidation number of nitrogen is
52. For which one of the following acids is chlorine in the +5 oxidation state?
Chapter 04 – Reactions in Aqueous Solutions
53. The highest possible oxidation number of carbon is
54. Select the compound in which sulfur has its highest possible oxidation number.
55. The oxidation number of N in N2H4 is
Chapter 04 – Reactions in Aqueous Solutions
56. Determine the correct oxidation numbers for all three elements in Rb2SO3 in the order that
57. Determine the correct oxidation numbers for all three elements in Ca(ClO)2 in the order
that the elements are shown in the formula?
Chapter 04 – Reactions in Aqueous Solutions
58.
Using the redox reaction below determine which element is oxidized and which is reduced.
4NH3 + 3Ca(ClO)2 → 2N2 + 6H2O + 3CaCl2
59.
How many total electrons are transferred in the following reaction?
B2H6(g) + 3O2(g) → B2O3(s) + 3H2O(l)
Chapter 04 – Reactions in Aqueous Solutions
60.
How many total electrons are transferred in the following reaction?
4 P(s) + 5O2(g) → 2P2O5(s)
61.
How many total electrons are transferred in the following reaction?
2Na(s) + Cl2(g) → 2NaCl(s)
Chapter 04 – Reactions in Aqueous Solutions
62. Which one of the following is a redox reaction?
Chapter 04 – Reactions in Aqueous Solutions
63. Which of the following equations does not represent an oxidation-reduction reaction?
64. In the following chemical reaction the oxidizing agent is
5H2O2 + 2MnO4– + 6H+ → 2Mn2+ + 8H2O + 5O2
Chapter 04 – Reactions in Aqueous Solutions
65. In the following chemical reaction the oxidizing agent is
5S + 6KNO3 + 2CaCO3 → 3K2SO4 + 2CaSO4 + CO2 + 3N2
66. Identify the oxidizing agent in the following chemical reaction.
2MnO4– + 5H2SO3 → 2Mn2+ + 5SO42– + 4H+ + 3H2O
Chapter 04 – Reactions in Aqueous Solutions
67.
Identify the reducing agent in the following chemical reaction.
5Fe2+(aq) + MnO4–(aq)+ 8H+(aq) → 5Fe3+(aq) + Mn2+(aq) + 4H2O(l)
68. Identify the reducing agent in the following chemical reaction.
Cd + NiO2 + 2H2O → Cd(OH)2 + Ni(OH)2
Chapter 04 – Reactions in Aqueous Solutions
69.
What element is oxidized in the following chemical reaction?
3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O
70. What element is oxidized in the following chemical reaction?
NiO2 + Cd + 2H2O → Ni(OH)2 + Cd(OH)2
Chapter 04 – Reactions in Aqueous Solutions
71. What element is oxidized in the following chemical reaction?
H2SO4 + Cd(OH)2 → 2H2O + CdSO4
72.
What element is reduced in the following chemical reaction?
Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O
Chapter 04 – Reactions in Aqueous Solutions
73.
Identify the elements that are oxidized and reduced in the following reaction.
KClO3(aq) + 6HBr(aq) → KCl(aq) + 3Br2(l) + 3H2O(l)
74. Predict the products of the following single replacement reaction.
Fe(s) + CuSO4(aq) →
Chapter 04 – Reactions in Aqueous Solutions
75. Predict the products of the following single replacement reaction.
Zn(s) + CoCl2(aq) →
76. Predict the products of the following single replacement reaction.
Ni(s) + Cu(NO3)2(aq) →
Chapter 04 – Reactions in Aqueous Solutions
77. Which of the following is an example of a disproportionation reaction?
78. Which of the following is NOT a redox reaction?
Chapter 04 – Reactions in Aqueous Solutions
79. Which of the following is NOT a redox reaction?
Chapter 04 – Reactions in Aqueous Solutions
80. Which of the following represents a precipitation reaction?
81. Which of the following represents an acid-base neutralization reaction?