Mention the property of conc. `H_2SO_4` exhibited in each of the reactions with:
sugar

Explanation

To solve the question regarding the property of concentrated H₂SO₄ when it reacts with sugar, we will follow these steps:

### Step-by-Step Solution:

1. **Identify the Reaction**:
The reaction we are considering is between sugar (sucrose, C₁₂H₂₂O₁₁) and concentrated sulfuric acid (H₂SO₄).

2. **Understand the Role of Concentrated H₂SO₄**:
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