The technique used for purification of steam volatile water immiscible substance is:

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Canvas Classes · Accepted Answer

Step 1: Define the Two Key Requirements

A "steam volatile, water-immiscible substance" has:
1. Steam volatile — appreciable vapour pressure; can vaporise along with steam
2. Water-immiscible — does not dissolve in water; separates as a distinct layer after condensation

Step 2: Evaluate Each Technique

| Technique | Based On | Suitable? |
|---|---|---|
| Fractional distillation | Close boiling points of miscible liquids | ❌ |
| Fractional distillation under reduced pressure | High-bp, heat-sens

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