- 1(current)
Q. No.Match the type of mixture of compounds in Column-I with the technique of separation/purification given in Column-II.
| Column-I | Column-II | ||
| A. | Two solids which have different solubilities in a solvent and which do not undergo a reaction when dissolved in it | 1. | Steam distillation |
| B. | Liquid that decomposes at its boiling point | 2. | Fractional distillation |
| C. | Steam volatile liquid | 3. | Crystallisation |
| D. | Two liquids that have boiling points close to each other | 4. | Distillation under reduced pressure |
Codes:
| A | B | C | D | |
| 1. | 3 | 4 | 1 | 2 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 3 | 2 |
Subtopic: Â Purification of Organic Compounds |
 85%
Level 1: 80%+
Hints
Paper chromatography is an example of-
1. Partition chromatography
2. Thin layer chromatography
3. Column chromatography
4. Adsorption chromatography
Subtopic: Â Purification of Organic Compounds |
 75%
Level 2: 60%+
NEET - 2020
Hints
The latest technique for isolation, purification and separation of organic compounds is -
| 1. | Crystallisation | 2. | Distillation |
| 3. | Sublimation | 4. | Chromatography |
Subtopic: Â Purification of Organic Compounds |
 75%
Level 2: 60%+
Hints
The best method used for the separation of naphthalene and benzoic acid from their mixture is -
1. Sublimation
2. Chromatography
3. Crystallisation
4. Distillation
Subtopic: Â Purification of Organic Compounds |
 68%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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