How is boron obtained from borax ? Give the chemical reactions involved. Draw the structure of `B_(2)H_(6)` and give its reaction with `HCl`.

Explanation

To obtain boron from borax, we follow a series of chemical reactions. Here’s a step-by-step breakdown of the process:

### Step 1: Heating Borax
**Reaction:**
When borax (Na₂B₄O₇·10H₂O) is heated with sulfuric acid (H₂SO₄), it forms sodium sulfate (Na₂SO₄), tetra boric acid (H₂B₄O₇), and water (H₂O).

**Chemical Equation:**
\[ \text{Na}_2\text{B}_4\text{O}_7 \cdot 10\text{H}_2\text{O} + \text{H}_2\text{SO}_4 \rightarrow \text{Na}_2\text{SO}_4 + \text{H}_2\text{B}_4\text{O}_7 + 10\text{H}_2\text{O} \]
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