Concept explainers
(a)
Interpretation:
The half cell reaction for reduction of
Concept Introduction:
(a)
Answer to Problem 11QRT
The half cell reaction for reduction of
Explanation of Solution
The reaction for the conversion of
The number of oxygen atoms is balanced by adding four molecules of water on product side as shown below.
In acidic medium, the number of hydrogen atoms is balanced by adding
The charge on reactant side is
The balanced half cell reaction represents reduction is shown below.
(b)
Interpretation:
The half cell reaction for reduction of
Concept Introduction:
Refer to part (a).
(b)
Answer to Problem 11QRT
The half cell reaction for reduction of
Explanation of Solution
The reaction for the conversion of
The number of oxygen atoms is balanced by adding seven molecules of water on product side as shown below.
In acidic medium, the number of hydrogen atoms is balanced by adding
The charge on reactant side is
The balanced half cell reaction represents reduction is shown below.
(c)
Interpretation:
The half cell reaction for oxidation of chlorine gas to
Concept Introduction:
Refer to part (a).
(c)
Answer to Problem 11QRT
The half cell reaction for oxidation of chlorine gas to
Explanation of Solution
The reaction for the conversion of chlorine gas to
The number of oxygen atoms is balanced by adding one molecule of water on reactant side as shown below.
The number of hydrogen atoms is balanced by adding
The charge on reactant side is
The balanced half cell reaction represents oxidation is shown below.
(d)
Interpretation:
The half cell reaction for reduction of
Concept Introduction:
Refer to part (a).
(d)
Answer to Problem 11QRT
The half cell reaction for reduction of
Explanation of Solution
The reaction for the conversion of
The number of oxygen atoms is balanced by adding one molecule of water on product side as shown below.
In acidic medium, the number of hydrogen atoms is balanced by adding
The charge on reactant side is
The balanced half cell reaction represents reduction is shown below.
(e)
Interpretation:
The half cell reaction for oxidation of
Concept Introduction:
Refer to part (a).
(e)
Answer to Problem 11QRT
The half cell reaction for oxidation of
Explanation of Solution
The reaction for the conversion of
The number of oxygen atoms is balanced by adding one molecule of water on reactant side as shown below.
In acidic medium, the number of hydrogen atoms is balanced by adding
The charge on reactant side is zero. Therefore, in order to balance the charge, two electrons are added on product side as follows.
The half cell reaction for oxidation of
Want to see more full solutions like this?
Chapter 17 Solutions
EBK CHEMISTRY: THE MOLECULAR SCIENCE
- An electrode is prepared by dipping a silver strip into a solution saturated with silver thiocyanate, AgSCN, and containing 0.10 M SCN . The cell potential of the voltaic cell constructed by connecting this electrode as the cathode to the standard hydrogen half-cell as the anode is 0.45 V. What is the solubility product of silver thiocyanate?arrow_forwardOrder the following oxidizing agents by increasing strength under standard-state conditions: Mg2+(aq), Hg2+(aq), Pb2+(aq).arrow_forwardChlorine, Cl2, is produced commercially by the electrolysis of aqueous sodium chloride. The anode reaction is 2Cl(aq)Cl2(g)+2e How long will it take to produce 2.00 kg of chlorine if the current is 5.00 102 A?arrow_forward
- What is the standard cell potential you would obtain from a cell at 25C using an electrode in which I(aq) is in contact with I2(s) and an electrode in which a chromium strip dips into a solution of Cr3(aq)?arrow_forwardIn the commercial preparation of aluminum, aluminum oxide, Al2O3, is electrolyzed at 1000C. (The mineral cryolite is added as a solvent.) Assume that the cathode reaction is Al3+3eAl How many coulombs of electricity are required to give 3.9 kg of aluminum?arrow_forwardAn aqueous solution of an unknown salt of vanadium is electrolyzed by a current of 2.50 amps for 1.90 hours. The electroplating is carried out with an efficiency of 95.0%, resulting in a deposit of 2.850 g of vanadium. a How many faradays are required to deposit the vanadium? b What is the charge on the vanadium ions (based on your calculations)?arrow_forward
- Calculate the cell potential of a cell operating with the following reaction at 25C, in which [Cr2O32] = 0.020 M, [I] = 0.015 M, [Cr3+] = 0.40 M, and [H+] = 0.60 M. Cr2O72(aq)+6I(aq)+14H+(aq)2Cr3+(aq)+3I2(s)+7H2O(l)arrow_forwardAnswer the following questions by referring to standard electrode potentials at 25C. a Will oxygen, O2, oxidize iron(II) ion in solution under standard conditions? b Will copper metal reduce 1.0 M Ni2(aq) to metallic nickel?arrow_forwarda Calculate the equilibrium constant for the following reaction at 25C. Sn(s)+Pb2+(aq)Sn2+(aq)+Pb(s) The standard cell potential of the corresponding voltaic cell is 0.010 V. b If an excess of tin metal is added to 1.0 M Pb2+, what is the concentration of Pb2+ at equilibrium?arrow_forward
- An electrochemical cell is made by placing a zinc electrode in 1.00 L of 0.200 M ZnSO4 solution and a copper electrode in 1.00 L of 0.0100 M CuCl2 solution. a What is the initial voltage of this cell when it is properly constructed? b Calculate the final concentration of Cu2+ in this cell if it is allowed to produce an average current of 1.0 amp for 225 s.arrow_forwardThe cell potential of the following cell at 25C is 0.480 V. ZnZn2+(1M)H+(testsolution)H2(1atm)Pt What is the pH of the test solution?arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co