Assertion. Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur.
Reason. `SO_(2)` is a reducing agent.

Options

A. If both assertion and reason are true, and reason is the correct explanation of the assertion.
B. If both assertion and reason are ture, but reason is not the correct explanantion of the assertion.
C. If assertion is true, but reason is false.
D. If both assertion and reason are false

Explanation

To analyze the given assertion and reason, we will break down the information step by step.

### Step 1: Understanding the Assertion
The assertion states that the reaction of \( SO_2 \) and \( H_2S \) in the presence of \( Fe_2O_3 \) catalyst gives elemental sulfur.

**Chemical Reaction:**
The reaction can be represented as:
\[ 2 H_2S + SO_2 \xrightarrow{Fe_2O_3} 2 H_2O + S \]

This indicates that sulfur is produced as a product of the reaction.

### Step 2: Analyzing the Reaction
In this reaction, \( H_2S \) acts as a reducing agent, while \( SO_2 \) is being reduced to elemental sulfur (S).

- **Oxidation State Changes:**
- In \( H_2S \), sulfur has an oxidation state of -2.
- In \( SO_2 \), sulfur has an oxidation state of +4.
- In elemental sulfur (S), the oxidation state is 0.

The \( H_2S \) reduces \( SO_2 \) to elemental sulfur, which confirms that the assertion is correct.

### Step 3: Understanding the Reason
The reason states that \( SO_2 \) is a reducing agent.

- **Role of \( SO_2 \):**
While \( SO_2 \) can act as a reducing agent in some reactions, it is primarily known as an oxidizing agent in this context because it accepts electrons from \( H_2S \).

Thus, while \( SO_2 \) can exhibit reducing properties, it is not accurate to classify it solely as a reducing agent in this reaction.

### Conclusion
- **Assertion:** True (The reaction produces elemental sulfur).
- **Reason:** True (But not a correct explanation for the assertion).

### Final Statement
The assertion is true, and the reason is also true, but the reason does not correctly explain the assertion.

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