## Oxidation Numbers and Frost Diagram for Manganese**Question:** What is the oxidation number of Mn in the product when Mn is used as a reducing agent in a basic solution?### Frost Diagram Explanation:The Frost diagram for manganese illustrates the relative stability of manganese in different oxidation states. This diagram plots the standard Gibbs free energy per mole of electrons (nE°) against the oxidation number.- **Axes:** - *Y-Axis (nE°/V):* Represents the free energy per mole of electrons. - *X-Axis (Oxidation number):* Represents the oxidation states of manganese, ranging from 0 to 7.- **Key Points and Lines:** - In the diagram, there are lines for two different pH values: - **Blue Line (pH = 0):** Acidic conditions. - **Red Line (pH = 14):** Basic conditions. - Both lines start from Mn (oxidation number 0) and pass through various manganese compounds: - Mn(OH)₂, Mn²⁺, Mn₃⁺, Mn₂O₃, MnO₂, H₃MnO₄, and others. - In basic conditions (red line), MnO₄²⁻ appears as a stable state at higher oxidation numbers.### Conclusion:Under basic conditions, manganese typically stabilizes at an oxidation state where the compound MnO₄²⁻ is prevalent. Therefore, when Mn is used as a reducing agent in a basic solution, it is likely to result in MnO₄²⁻ with an oxidation number of 6.

Reducing agents are the chemical species which can reduce other species and themselves get oxidized.…

What is the oxidation number of Mn in the product when Mn is used as a reducing agent in a basic solution? nE° (V) 6 4 2 0 -2 -4 Mn 0 Frost diagram for manganese Mn²+ Mn(OH)2 1 2 Mn3+ MnO₂ Mn₂O3 3 H3MnO4 MnO₂ 4 HMnO4 MnO43- 5 MnO4²- 6 7 MnO4™ pH = 0 pH = 14 MnO4-

What is the oxidation number of Mn in the product when Mn is used as a reducing agent in a basic solution? nE° (V) 6 4 2 0 -2 -4 Mn 0 Frost diagram for manganese Mn²+ Mn(OH)2 1 2 Mn3+ MnO₂ Mn₂O3 3 H3MnO4 MnO₂ 4 HMnO4 MnO43- 5 MnO4²- 6 7 MnO4™ pH = 0 pH = 14 MnO4-

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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