YouTubeA Maps13. The standard reduction potentials for four half-cells at 298 K are given in Table1. *Table 1E®/VHalf-cell equationH2O2 (aq)→ 2H2O (I)+0.682H* (aq) + O2 (g) + 2e¯H2O2 (aq) + 2H* (aq) + 2e¯Cl2 (g) + 2e¯MnO2 (s) + 4H* (aq) + 2e¯+1.77→ 2C1° (aq)+1.36→ Mn²+ (aq) +2H2O (1)+1.22In which of the following mixture there is NO effervescence observed?A. H2O2 (aq) + Cl2 (g)В. асidified Н202+ MnOz (s)C. NaCl (aq) + acidified H2O2 (aq)D. NaCl (aq) + acidified MNO2 (s)AВD

The reaction having cell potential positive is spontaneous and will give effervescence. The reaction…

13. The standard reduction potentials for four half-cells at 298 K are given in Table 1. * Table 1 E©/V Half-cell equation H2O2 (aq) +0.68 2H* (aq) + O2 (g) + 2e¯ –→ H2O2 (aq) + 2H* (aq) + 2e¯ – 2H2O (I) Cl2 (g) + 2e¯ – 2Cl (aq) MnO2 (s) + 4H* (aq) + 2e¯ → Mn²* (aq) +2H2O (I) +1.77 +1.36 - 2+ +1.22 In which of the following mixture there is NO effervescence observed? А. Н202 (аg) + Cle (g) В. асidified Н-О2+ MnOz (s) С. NaCI (ag) + acidified Hz02 (аq) D. NaCl (aq) + acidified MNO2 (s)

13. The standard reduction potentials for four half-cells at 298 K are given in Table 1. * Table 1 E©/V Half-cell equation H2O2 (aq) +0.68 2H* (aq) + O2 (g) + 2e¯ –→ H2O2 (aq) + 2H* (aq) + 2e¯ – 2H2O (I) Cl2 (g) + 2e¯ – 2Cl (aq) MnO2 (s) + 4H* (aq) + 2e¯ → Mn²* (aq) +2H2O (I) +1.77 +1.36 - 2+ +1.22 In which of the following mixture there is NO effervescence observed? А. Н202 (аg) + Cle (g) В. асidified Н-О2+ MnOz (s) С. NaCI (ag) + acidified Hz02 (аq) D. NaCl (aq) + acidified MNO2 (s)

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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