Table 1 Half-cell equation 2H (ag) + O2 (g) + 2e —> Н-О2 (aq) H2O2 (ag) + 2H* (aq) + 2e 2H2O (1) → 2C1 (aq) MnO2 (s) + 4H* (aq) + 2e¯ Mn²* (aq) +2H2O (I) E®/V +0.68 +1.77 Cl2 (g) + 2e +1.36 +1.22 In which of the following mixture there is NO effervescence observed? А. Н-02(аq) + Сl (g) B. acidified H2O2+ MnO2 (s) C. NaCl (aq) + acidified H2O2 (aq)
Table 1 Half-cell equation 2H (ag) + O2 (g) + 2e —> Н-О2 (aq) H2O2 (ag) + 2H* (aq) + 2e 2H2O (1) → 2C1 (aq) MnO2 (s) + 4H* (aq) + 2e¯ Mn²* (aq) +2H2O (I) E®/V +0.68 +1.77 Cl2 (g) + 2e +1.36 +1.22 In which of the following mixture there is NO effervescence observed? А. Н-02(аq) + Сl (g) B. acidified H2O2+ MnO2 (s) C. NaCl (aq) + acidified H2O2 (aq)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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(q13)
Is there something wrong with this question?
I think the answer may be both B n D ?
Thanks for your help :D
![13. The standard reduction potentials for four half-cells at 298 K are given in Table 1.
Table 1
Half-cell equation
E/V
2H* (aq) + O2 (g)+ 2e¯ → H2O2 (aq)
H2O2 (ag) + 2H* (aq) + 2e 2H2O (1)
Cl2 (g) + 2e
MnO2 (s) + 4H* (aq) + 2e" -
+0.68
+1.77
+ 2CF (aq)
+1.36
Mn* (aq) +2H2O (I)
+1.22
In which of the following mixture there is NO effervescence observed?
А. Н.0(аq) + Сk (g)
B. acidified H2O2+ MnO2 (s)
C. NaCl (aq) + acidified H2O2 (aq)
D. NaCl (aq) + acidified MnO2 (s)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84a0f0cd-4ceb-4591-b550-5bec74663d30%2Fe2709e83-403f-4e6b-9f8c-8634dfab5f8e%2Fgypzitv_processed.png&w=3840&q=75)
Transcribed Image Text:13. The standard reduction potentials for four half-cells at 298 K are given in Table 1.
Table 1
Half-cell equation
E/V
2H* (aq) + O2 (g)+ 2e¯ → H2O2 (aq)
H2O2 (ag) + 2H* (aq) + 2e 2H2O (1)
Cl2 (g) + 2e
MnO2 (s) + 4H* (aq) + 2e" -
+0.68
+1.77
+ 2CF (aq)
+1.36
Mn* (aq) +2H2O (I)
+1.22
In which of the following mixture there is NO effervescence observed?
А. Н.0(аq) + Сk (g)
B. acidified H2O2+ MnO2 (s)
C. NaCl (aq) + acidified H2O2 (aq)
D. NaCl (aq) + acidified MnO2 (s)
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