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Oxidation & Reduction: 61. Consider the reaction Which statement is true for the reaction? Fe3+ is oxidized. (A) (C) Fe³+ is reduced. 62. In the chemical reaction, (A) (C) 2Fe³+ (aq) + 21 (aq) →2Fe2+ (aq) + I₂(aq) (B) (D) Fe³+ increases in oxidation number. I- is reduced. Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s), metallic zinc is the reducing agent. copper ion is oxidized. (B) (D) metallic zinc in reduced. sulfate ion is the oxidizing agent.

Oxidation & Reduction: 61. Consider the reaction Which statement is true for the reaction? Fe3+ is oxidized. (A) (C) Fe³+ is reduced. 62. In the chemical reaction, (A) (C) 2Fe³+ (aq) + 21 (aq) →2Fe2+ (aq) + I₂(aq) (B) (D) Fe³+ increases in oxidation number. I- is reduced. Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s), metallic zinc is the reducing agent. copper ion is oxidized. (B) (D) metallic zinc in reduced. sulfate ion is the oxidizing agent.

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.103QE
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I need help with questions 61-62 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
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