Balance the following redox reaction in acidic solution: MnO4 (aq) + Fe (s) Mn2* (aq) + Fe3+ ---> What is the stoichiometric coefficient of water in the balanced reaction?
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
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![### Balancing Redox Reactions in Acidic Solutions
**Problem Statement:**
Balance the following redox reaction in acidic solution:
\[ \text{MnO}_4^- \, (\text{aq}) + \text{Fe} \, (\text{s}) \rightarrow \text{Mn}^{2+} \, (\text{aq}) + \text{Fe}^{3+} \]
**Question:**
What is the stoichiometric coefficient of water in the balanced reaction?
**Answer Options:**
- 6
- 5
- 3
- 12
- 10
### Explanation:
To solve this problem, you need to perform the following steps:
1. **Identify the Oxidation and Reduction Half-Reactions:**
- The half-reaction involving a change in manganese (Mn) from \(\text{MnO}_4^-\) to \(\text{Mn}^{2+}\).
- The half-reaction involving a change in iron (Fe) from \(\text{Fe}\) to \(\text{Fe}^{3+}\).
2. **Balance Each Half-Reaction Separately:**
- Balance the atoms other than O and H.
- Balance oxygen atoms by adding \(\text{H}_2\text{O}\).
- Balance hydrogen atoms by adding \(\text{H}^+\).
- Balance the charge by adding electrons.
3. **Combine the Half-Reactions:**
- Ensure the number of electrons lost in oxidation equals the number of electrons gained in reduction.
- Combine and simplify to achieve the final balanced equation.
4. **Determine the Coefficient of Water (\(\text{H}_2\text{O}\)):**
- Identify the total number of water molecules on the product or reactant side in the balanced equation.
In this question, you need to find the stoichiometric coefficient for water to complete the balance of the reaction in an acidic solution.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83e4d0e0-41e1-45c9-8283-0ae60fe430d6%2Fccfdc870-9f4b-4876-8b2b-af5572d90432%2Fa2noa6_processed.jpeg&w=3840&q=75)
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