Name one reagent used for separation of primary, secondary and tert-amines.

Explanation

**Step-by-Step Solution:**

1. **Identify the Reagent**: The reagent used for the separation of primary, secondary, and tertiary amines is known as Hinsberg reagent.

2. **Chemical Structure**: The chemical formula of Hinsberg reagent is C₆H₅SO₂Cl. It can be represented as a benzene ring (C₆H₅) attached to a sulfonyl group (SO₂) and a chlorine atom (Cl).

3. **Reactivity with Amines**:
- **Primary Amines**: When a primary amine (RNH₂) reacts with Hinsberg reagent, it forms a sulfonamide (RNH-SO₂-C₆H₅) which is soluble in a basic solution (like NaOH).
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