Sulphur on oxidation with hot sulphuric acid gives :

Options

A. `SO_(3)`
B. `SO_(2)`
C. `H_(2)SO_(3)`
D. `H_(2)S_(2)O_(3)`

Answer

To solve the question of what product sulfur gives when oxidized with hot sulfuric acid, we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are sulfur (S) and hot sulfuric acid (H₂SO₄).

### Step 2: Understand the Reaction
When sulfur is oxidized, it typically forms sulfur dioxide (SO₂). In the presence of hot sulfuric acid, sulfur is oxidized to sulfur dioxide.

### Step 3: Write the Chemical Equation
The unbalanced chemical equation for the reaction is:
\[ \text{S} + \text{H}_2\text{SO}_4 \rightarrow \text{SO}_2 + \text{H}_2\text{O} \]

### Step 4: Balance the Chemical Equation
To balance the equation, we need to ensure that the number of atoms of each element is the same on both sides. The balanced equation will be:
\[ 3\text{S} + 2\text{H}_2\text{SO}_4 \rightarrow 3\text{SO}_2 + 2\text{H}_2\text{O} \]

### Step 5: Identify the Products
From the balanced equation, we can see that the products of the reaction are sulfur dioxide (SO₂) and water (H₂O). However, the main product of interest in this question is sulfur dioxide.

### Conclusion
Thus, when sulfur is oxidized with hot sulfuric acid, the primary product formed is sulfur dioxide (SO₂).

### Final Answer
The answer is sulfur dioxide (SO₂).

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