Ex: Balance the oxidation of Fe2+ to Fe3+ by Cr2O72- in acid solution. Cr3+ is the reduction product. 1. Write the unbalanced equation. Fe2+ + Cr2O72- Fe3+ + Cr3+ 2. Separate the equation into two half-reactions: Oxidation: Reduction: +6 +2 Fe2+ 11 Cr2O72- +3 Fe3+ +3 Cr3+ 3. Balance the atoms other than O and H in each half-reaction. +2 Fe2+ 11 Cr₂O2-- +3 Fe3+ 2 Cr3+
Ex: Balance the oxidation of Fe2+ to Fe3+ by Cr2O72- in acid solution. Cr3+ is the reduction product. 1. Write the unbalanced equation. Fe2+ + Cr2O72- Fe3+ + Cr3+ 2. Separate the equation into two half-reactions: Oxidation: Reduction: +6 +2 Fe2+ 11 Cr2O72- +3 Fe3+ +3 Cr3+ 3. Balance the atoms other than O and H in each half-reaction. +2 Fe2+ 11 Cr₂O2-- +3 Fe3+ 2 Cr3+
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 30A
Related questions
Question
How to calculate the overall charge?
![Ex: Balance the oxidation of Fe2+ to Fe3+ by Cr2O72- in acid
solution. Cr3+ is the reduction product.
1. Write the unbalanced equation.
Fe2+ + Cr2O72-
Fe3+ + Cr3+
2. Separate the equation into two half-reactions:
Oxidation:
Reduction:
+6
+2
Fe2+
11
Cr2O72-
+3
Fe3+
+3
Cr3+
3. Balance the atoms other than O and H in each half-reaction.
+2
Fe2+
11
Cr₂O2--
+3
Fe3+
2 Cr3+](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F637a8243-98d2-45ca-8dd1-4e9d7d0f97ca%2Fc57cc24a-e105-4441-8e1f-23278c8d7195%2F3gra0y.jpeg&w=3840&q=75)
Transcribed Image Text:Ex: Balance the oxidation of Fe2+ to Fe3+ by Cr2O72- in acid
solution. Cr3+ is the reduction product.
1. Write the unbalanced equation.
Fe2+ + Cr2O72-
Fe3+ + Cr3+
2. Separate the equation into two half-reactions:
Oxidation:
Reduction:
+6
+2
Fe2+
11
Cr2O72-
+3
Fe3+
+3
Cr3+
3. Balance the atoms other than O and H in each half-reaction.
+2
Fe2+
11
Cr₂O2--
+3
Fe3+
2 Cr3+
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
![Introductory Chemistry: A Foundation](https://www.bartleby.com/isbn_cover_images/9781337399425/9781337399425_smallCoverImage.gif)
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
![Chemistry by OpenStax (2015-05-04)](https://www.bartleby.com/isbn_cover_images/9781938168390/9781938168390_smallCoverImage.gif)
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:
9781938168390
Author:
Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:
OpenStax
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
![Introductory Chemistry: A Foundation](https://www.bartleby.com/isbn_cover_images/9781337399425/9781337399425_smallCoverImage.gif)
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
![Chemistry by OpenStax (2015-05-04)](https://www.bartleby.com/isbn_cover_images/9781938168390/9781938168390_smallCoverImage.gif)
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:
9781938168390
Author:
Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:
OpenStax
![General Chemistry - Standalone book (MindTap Cour…](https://www.bartleby.com/isbn_cover_images/9781305580343/9781305580343_smallCoverImage.gif)
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
![Chemistry](https://www.bartleby.com/isbn_cover_images/9781305957404/9781305957404_smallCoverImage.gif)
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning