2. An acidic reaction: MnO4-(aq) +Fe2+(aq) O Fe3+(aq) + Mn2+(aq) Whatis the oxidation reaction and What isthe reduction reaction? *

Oxidation refers to the increase in the oxidation state of the atom or loss of electrons. Reduction…

Answered: 2. An acidic reaction: Mn04-(aq) +…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter20: Electrochemistry

Section: Chapter Questions

Problem 35A

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In the electrolysis of a solution containing Ag+(aq), metallic Ag(s) deposits on the cathode. Using a current of 1.12 A for 2.40 hours, what mass of silver forms?
Order the following oxidizing agents by increasing strength under standard-state conditions: O2(g); MnO4(aq); NO3 (aq) (in acidic solution ).
The Ostwald process for the commercial production of nitric acid involves the following three steps: 4NH3(g)+5O2(g)4NO(g)+6H2O(g) 2NO(g)+O2(g)2NO2(g) 3NO2(g)+H2O(l)2HNO3,(aq)+NO(g) a. Which reactions in the Ostwald process are oxidationreduction reactions? b. Identify each oxidizing agent and reducing agent.
Atomic masses can be determined by electrolysis. In one hour, a current of 0.600 A deposits 2.42 g of a certain metal, M, which is present in solution as M+ ions. What is the atomic mass of the metal?
Specify which of the following equations represent oxidation reduction reactions, and indicate the oxidizing agent, the reducing agent, the species being oxidized, and the species being reduced. a. CH4(g)+H2O(g)CO(g)+3H2(g) b. 2AgNO3(aq)+Cu(s)Cu(NO3)2(aq)+2Ag(s) c. Zn(s)+2HCl(aq)ZnCl2(aq)+H2(g) d. 2H+(aq)+2CrO42-(aq)Cr2O72-(aq)+H2O(l)
Consider the reducing agents Cu+(aq), Zn(s), and Fe(s). Which is strongest? Which is weakest?
Balance the following in acidic solution: (a) SO32(aq)+Cu(OH)2(s)SO42(aq)+Cu(OH)(s) (b) O2+Mn(OH)2(s)MnO2(s) (c) NO3(aq)+H2(g)NO(g) (d) Al(s)+CrO42(aq)Al(OH)3(s)+Cr(OH)4(aq)
The Ostwald process for the commercial production of nitric acid involves the Following three steps: 4NH3(g)+5O2(g)4NO(g)+6H2O(s)2NO(g)+O2(g)2NO2(g)3NO2(g)+H2O(l)2HNO3(aq)+NO(g) a. Which reaction in the Ostwald process are oxidation-reduction reactions? b. Identify each oxidizing agent and reducing agent.
Consider the following galvanic cell: a. Label the reducing agent and the oxidizing agent, and describe the direction of the electron flow. b. Determine the standard cell potential. c. Which electrode increases in mass as the reaction proceeds, and which electrode decreases in mass?
Balance the following oxidationreduction equations. The reactions occur in acidic or basic aqueous solution, as indicated. a MnO4+IMnO2+IO3(basic) b Cr2O32+ClCr3++Cl2(acidic) c S8+NO3SO2+NO(acidic) d H2O2+MnO4O2+MnO2(basic) e Zn+NO3Zn2++N2(acidic)
Balance the following skeleton equations. The reactions occur in acidic or basic aqueous solution, as indicated. a MnO4+S2MnO2+S8(basic) b IO3+HSO3I+SO42(acidic) c Fe(OH)2+CrO42Fe(OH)3+Ce(OH)4(basic) d Cl2Cl+ClO(basic)
(a) Rank the following metals in their ability to function as reducing agents: Hg, Sn, and Pb. (b) Which halogens will oxidize mercury to mercury(II)?

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2. An acidic reaction: Mn04-(aq) + Fe2+(aq) O Fe3+(aq) + Mn2+(aq) What is the oxidation reaction and What is the reduction reaction?