### Oxidation Number Assignment and Equation Balancing1. **Objective**: Assign oxidation numbers to each element in the following reactions and balance the equations.---#### a) Reaction in Acidic Solution\[ \text{Cr}_2\text{O}_7^{2-} + \text{Fe}^{2+} \rightarrow \text{Fe}^{3+} + \text{Cr}^{3+} \]---#### b) Reaction in Acidic Solution\[ \text{Mn}^{2+} + \text{BiO}_3^- \rightarrow \text{MnO}_4^- + \text{Bi}^{3+} \]---#### c) Reaction in Acidic Solution\[ \text{HSO}_3^- + \text{MnO}_4^- \rightarrow \text{HSO}_4^- + \text{Mn}^{2+} \]---#### d) Reaction in Basic Solution\[ \text{H}_2\text{O}_2 + \text{ClO}_2 \rightarrow \text{ClO}_2^- + \text{O}_2 \]---#### e) Reaction in Basic Solution\[ \text{Cl}_2 \rightarrow \text{ClO}_2^- + \text{Cl}^- \]---#### f) Reaction in Acidic Solution\[ \text{MnO}_4^- + \text{H}_2\text{C}_2\text{O}_4 \rightarrow \text{CO}_2 + \text{Mn}^{2+} \]---### Explanation for Students- **Oxidation Numbers**: Determine the oxidation state of each element in the reactants and products.- **Balancing Equations**: Ensure that atoms and charges are balanced on both sides of the equation, considering the medium (acidic or basic).- **Acidic and Basic Solutions**: Note that balancing may require adding H⁺ in acidic solutions and OH⁻ in basic solutions to achieve a balance in hydrogen and oxygen atoms.

a) Cr2O72-+Fe2+→Fe3++Cr3+ The oxidation state of Cr is +6. b) Mn2++BiO3-→MnO4-+Bi3+ The oxidation…

Answered: a) Cr.0,2- + Fe* → Fe3* + Cr3+ (in…

a) Cr.0,2- + Fe* → Fe3* + Cr3+ (in acidic solution) b) Mn* + BiO3 → MnOq¯ + Bi³* (in acidic solution) c) HSO3 + MnO4¯ → HSO4¯+ Mn²* (in acidic solution)

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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