63. In this reaction, which substance behaves as the oxidizing agent? Pb + PbO₂ + 2H₂SO4 → 2PbSO4 + 2H₂O PbSO4 (C) PbO₂ (D) H₂SO4 (A) Pb (B) 64. In which group can each substance act as an oxidizing agent? AC MnO Cu (B)Cl2 MnO4, Cu²+ (C)CI, MnO4, Cu+ (D)Cl2, Mn, Cu²+

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question

I need help with questions 63-64 if possible? Could you also explain which option is the correct answer for each question?

Oxidation & Reduction:
61. Consider the reaction
(A)
(C)
Which statement is true for the reaction?
Fe3+ is oxidized.
Fe3+ is reduced.
62. In the chemical reaction,
(A)
(C)
(B)
(D)
2Fe³+ (aq) + 21 (aq) →2Fe2+(
Na
Cd
H₂
Ag
Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s),
metallic zinc is the reducing agent.
copper ion is oxidized.
(A)
Fe3+ increases in oxidation number.
It is reduced.
63. In this reaction, which substance behaves as the oxidizing agent?
Pb + PbO₂ + 2H₂SO4 → 2PbSO4 + 2H₂O
(A) Pb (B) PbSO4 (C) PbO₂ (D) H₂SO4
65. Which is the strongest oxidizing agent?
Standard Reduction Potentials Eº
64. In which group can each substance act as an oxidizing agent?
ACL, MnO Cu (B)Cl,MnO4, Cu²+ (C)CI, MnO4, Cu+
Nat+e¯¯
Cd²+ + 2e
2H+ + 2e-
Ag+ + e
Na+ (B) H₂
2.71 V
0.40 V
0.00 V
-0.80 V
Periodic Properties:
66. The molecule N₂ is isoelectronic with
(A)formaldehyde, CH₂O (B)cyanide ion, CN-
+ (aq) + I₂(aq)
Cdº
67. Which isoelectronic ion is the smallest in size?
(A) A1³+ (B) Na+ (C) F-
Lit ; Li
(B)
(D)
(D)
(D)
Calculate the percentage silver in the coin.
Atomic Molar Masses
Agt
(C)hydrogen, H₂
0²-
metallic zinc in reduced.
sulfate ion is the oxidizing agent.
68. Which of these isoelectronic ions is the smallest?
(E) A13+
(A) 0²- (B) F- (C) Na+ (D) Mg2+
69. In which pair of particles is the first member larger than the second member?
(A) Li+; Be2+
(B)
(C) Lit; Na+
(D)
Be; Mg
70. Which ion has the largest radius?
(A) CI- (B) F-
(C)
K+ (D) Ca²+
O
16.0 g.mol-1
X₂0 (B) XO₂ (C) X₂03 (D) XO4
Stoichiometry:
71. The atomic molar mass of a hypothetical element X is 100 u. It is found that the 50.0 g of X
combines with 32.0 g of oxygen. What is the simplest formula for the oxide of X?
Atomic Molar Mass
(D)Cl2, Mn, Cu²+
(D)water, H₂O
(A)
72. An amino acid has a molar mass of 776.9 g mol-¹ and contains 65.34% iodine by mass. What is the
number of iodine atoms per molecule of amino acid?
(A) one (B) three (C) four (D) five
73. A 6.80 g coin was dissolved in nitric acid and 6.21 g of AgCl was precipitated by the addition of
excess sodium chloride,
Ag+ (aq) + Cl(aq) → AgCl(s)
Ag
108. g.mol-1
Cl
35.5 g.mol-¹
(A) 24.7% (B) 68.7% (C) 75.3% (D) 91.3
Transcribed Image Text:Oxidation & Reduction: 61. Consider the reaction (A) (C) Which statement is true for the reaction? Fe3+ is oxidized. Fe3+ is reduced. 62. In the chemical reaction, (A) (C) (B) (D) 2Fe³+ (aq) + 21 (aq) →2Fe2+( Na Cd H₂ Ag Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s), metallic zinc is the reducing agent. copper ion is oxidized. (A) Fe3+ increases in oxidation number. It is reduced. 63. In this reaction, which substance behaves as the oxidizing agent? Pb + PbO₂ + 2H₂SO4 → 2PbSO4 + 2H₂O (A) Pb (B) PbSO4 (C) PbO₂ (D) H₂SO4 65. Which is the strongest oxidizing agent? Standard Reduction Potentials Eº 64. In which group can each substance act as an oxidizing agent? ACL, MnO Cu (B)Cl,MnO4, Cu²+ (C)CI, MnO4, Cu+ Nat+e¯¯ Cd²+ + 2e 2H+ + 2e- Ag+ + e Na+ (B) H₂ 2.71 V 0.40 V 0.00 V -0.80 V Periodic Properties: 66. The molecule N₂ is isoelectronic with (A)formaldehyde, CH₂O (B)cyanide ion, CN- + (aq) + I₂(aq) Cdº 67. Which isoelectronic ion is the smallest in size? (A) A1³+ (B) Na+ (C) F- Lit ; Li (B) (D) (D) (D) Calculate the percentage silver in the coin. Atomic Molar Masses Agt (C)hydrogen, H₂ 0²- metallic zinc in reduced. sulfate ion is the oxidizing agent. 68. Which of these isoelectronic ions is the smallest? (E) A13+ (A) 0²- (B) F- (C) Na+ (D) Mg2+ 69. In which pair of particles is the first member larger than the second member? (A) Li+; Be2+ (B) (C) Lit; Na+ (D) Be; Mg 70. Which ion has the largest radius? (A) CI- (B) F- (C) K+ (D) Ca²+ O 16.0 g.mol-1 X₂0 (B) XO₂ (C) X₂03 (D) XO4 Stoichiometry: 71. The atomic molar mass of a hypothetical element X is 100 u. It is found that the 50.0 g of X combines with 32.0 g of oxygen. What is the simplest formula for the oxide of X? Atomic Molar Mass (D)Cl2, Mn, Cu²+ (D)water, H₂O (A) 72. An amino acid has a molar mass of 776.9 g mol-¹ and contains 65.34% iodine by mass. What is the number of iodine atoms per molecule of amino acid? (A) one (B) three (C) four (D) five 73. A 6.80 g coin was dissolved in nitric acid and 6.21 g of AgCl was precipitated by the addition of excess sodium chloride, Ag+ (aq) + Cl(aq) → AgCl(s) Ag 108. g.mol-1 Cl 35.5 g.mol-¹ (A) 24.7% (B) 68.7% (C) 75.3% (D) 91.3
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Oxidation State
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY