Question

Match List - I with List - II.

Choose the correct answer from the options given below :

• A. A-II, B-III, C-I, D-IV
• B. A-II, B-IV, C-I, D-III
• C. A-II, B-IV, C-III, D-I
• D. A-IV, B-III, C-II, D-I

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
Purification techniques for organic compounds depend on physical properties like boiling point, volatility, and thermal stability. 
Step 2: Detailed Explanation: 
A. Simple distillation: Used for liquids that are stable at their boiling points and have a large difference in boiling points (typically $>25$ K). (Matches II). 
B. Fractional distillation: Used to separate liquids whose boiling points are close to each other, employing a fractionating column. (Matches IV). 
C. Steam distillation: Specifically used for substances that are steam volatile and immiscible with water (e.g., aniline). (Matches I). 
D. Distillation under reduced pressure (Vacuum Distillation): Used for liquids that have very high boiling points or those that decompose at or below their normal boiling points (e.g., glycerol). (Matches III). 
Step 3: Final Answer: 
The correct matching is A-II, B-IV, C-I, D-III.