Write a balanced half-reaction for the reduction of CrO2 (aq) to Cr(OH),(s) in a basic solution a. CrO4 (aq) + 3 H(aq) + 3 e Cr(OH)3(s) b. CrO42 (aq) + 3 OH(aq) → Cr(OH)3(s) + 2 O₂(g) c. CrO4 (aq) + 3 H (aq) → Cr(OH)3(s) + 2 e¯ X d. CrO2 (aq) + 4H₂O() + 3 e→Cr(OH)3(s) + 5 OH (aq) e. CrO4 (aq) + 3 OH(aq) + 3 e → Cr(OH)3(s) + 2 O₂(g)
Write a balanced half-reaction for the reduction of CrO2 (aq) to Cr(OH),(s) in a basic solution a. CrO4 (aq) + 3 H(aq) + 3 e Cr(OH)3(s) b. CrO42 (aq) + 3 OH(aq) → Cr(OH)3(s) + 2 O₂(g) c. CrO4 (aq) + 3 H (aq) → Cr(OH)3(s) + 2 e¯ X d. CrO2 (aq) + 4H₂O() + 3 e→Cr(OH)3(s) + 5 OH (aq) e. CrO4 (aq) + 3 OH(aq) + 3 e → Cr(OH)3(s) + 2 O₂(g)
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
Chapter4: Chemical Reactions In Solution
Section: Chapter Questions
Problem 4.22QE
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![Write a balanced half-reaction for the reduction of CrO2 (aq) to Cr(OH)3(s) in a basic solution.
a. CrO42 (aq) + 3 H¹ (aq) + 3 e → Cr(OH)3(s)
b. CrO4 (aq) + 3 OH(aq) → Cr(OH)3(s) + 2 O₂(g)
c. CrO4 (aq) + 3 H (aq) →→→ Cr(OH)3(s) + 2 e¯ X
3
d. CrO2 (aq) + 4H₂O() + 3 e→Cr(OH)3(s) + 5 OH(aq)
e. CrO2 (aq) + 3 OH(aq) + 3 e→Cr(OH)3(s) + 2 O₂(g)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdabc7e8b-d42d-4c7a-8b8c-eac102cb510a%2F6ee1534e-a3fd-4886-a2f6-a33c6629cb2c%2Fbxa6qj.jpeg&w=3840&q=75)
Transcribed Image Text:Write a balanced half-reaction for the reduction of CrO2 (aq) to Cr(OH)3(s) in a basic solution.
a. CrO42 (aq) + 3 H¹ (aq) + 3 e → Cr(OH)3(s)
b. CrO4 (aq) + 3 OH(aq) → Cr(OH)3(s) + 2 O₂(g)
c. CrO4 (aq) + 3 H (aq) →→→ Cr(OH)3(s) + 2 e¯ X
3
d. CrO2 (aq) + 4H₂O() + 3 e→Cr(OH)3(s) + 5 OH(aq)
e. CrO2 (aq) + 3 OH(aq) + 3 e→Cr(OH)3(s) + 2 O₂(g)
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