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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![**Chemical Equation Balancing Under Acidic Conditions**
When the following equation is balanced properly under acidic conditions, fill in the coefficients for the species shown:
\[ \_\_ \text{Al} + \_\_ \text{SO}_4^{2-} \rightarrow \_\_ \text{Al}^{3+} + \_\_ \text{SO}_2 \]
1. **Al (Aluminium)**
2. **SO\(_4^{2-}\) (Sulfate Ion)**
3. **Al\(^{3+}\) (Aluminium Ion)**
4. **SO\(_2\) (Sulfur Dioxide)**
**Additional Questions:**
- Water appears in the balanced equation as a \_\_\_ (reactant, product, neither) with a coefficient of \_\_. (Enter 0 for neither.)
- How many electrons are transferred in this reaction? \_\_](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb2c2bfdd-c795-4c13-bc09-4b743040f0d9%2F247a79c1-0980-4271-b16c-fd84c1d711b8%2Fjmxzn5_processed.png&w=3840&q=75)
Transcribed Image Text:**Chemical Equation Balancing Under Acidic Conditions**
When the following equation is balanced properly under acidic conditions, fill in the coefficients for the species shown:
\[ \_\_ \text{Al} + \_\_ \text{SO}_4^{2-} \rightarrow \_\_ \text{Al}^{3+} + \_\_ \text{SO}_2 \]
1. **Al (Aluminium)**
2. **SO\(_4^{2-}\) (Sulfate Ion)**
3. **Al\(^{3+}\) (Aluminium Ion)**
4. **SO\(_2\) (Sulfur Dioxide)**
**Additional Questions:**
- Water appears in the balanced equation as a \_\_\_ (reactant, product, neither) with a coefficient of \_\_. (Enter 0 for neither.)
- How many electrons are transferred in this reaction? \_\_
Expert Solution
Step 1
According to the question, we need to balance the chemical equation in the acidic medium.
Chemical reaction : Al + SO42- ---> Al3+ + SO2
Step 1: Identify the reduction and oxidation half:
Oxidation : Al ---> Al3+ (Al is being oxidized)
Reduction : SO42- ---> SO2 (S is being reduced)
Step 2: Balance the oxygen atoms by adding water molecules:
Oxidation : Al ---> Al3+
Reduction : SO42- ---> SO2 + 2H2O
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