- 1(current)
Q. No.Match List-I with List-II:
Choose the correct answer from the option given below:
1. A-III, B-IV, C-I, D-II
2. A-III, B-IV, C-II, D-I
3. A-IV, B-III, C-I, D-II
4. A-IV, B-III, C-II, D-I
| List-I (Mixture) |
List-II (Method of Separation) |
||
| A. | \( \mathrm{CHCl}_3+ \mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2 \) | I. | Distillation under reduced pressure |
| B. | Crude oil in petroleum industry | II. | Steam distillation |
| C. | Glycerol from spent-lye | III. | Fractional distillation |
| D. | Aniline-water | Iv. | Simple distillation |
1. A-III, B-IV, C-I, D-II
2. A-III, B-IV, C-II, D-I
3. A-IV, B-III, C-I, D-II
4. A-IV, B-III, C-II, D-I
Subtopic: Â Purification of Organic Compounds |
 64%
Level 2: 60%+
NEET - 2025
Please attempt this question first.
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Please attempt this question first.
Match List-I with List-II:
Choose the correct answer from the options given below
| List-I (Mixtures/Sample) |
List-II (Technique used for purification) |
||
| A. | Glycerol from spent lye | (I) | Steam distillation |
| B. | Chloroform + Aniline | (II) | Fractional distillation |
| C. | Fractions of crude oil | (III) | Distillation under reduced pressure |
| D. | Aniline+water | (IV) | Distillation |
Choose the correct answer from the options given below
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | IV | II | I |
| 2. | IV | II | I | III |
| 3. | I | II | III | IV |
| 4. | I | III | II | IV |
Subtopic: Â Purification of Organic Compounds |
 78%
Level 2: 60%+
NEET - 2023
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The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Â Purification of Organic Compounds |
 67%
Level 2: 60%+
NEET - 2022
Hints
Match each item in List-I with one in List-II and select the correct match from the codes given:
| List-I | List-II | ||
| (a) | Separation of aniline-water mixture | (i) | Fractional distillation |
| (b) | Separation of aniline-chloroform mixture | (ii) | Distillation under reduced pressure |
| (c) | Separation of glycerol from spent-lye | (iii) | Distillation |
| (d) | Separation of different fractions of crude oil | (iv) | Steam distillation |
Codes:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iii) | (ii) | (iv) |
| 2. | (iv) | (i) | (iii) | (ii) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Â Purification of Organic Compounds |
 77%
Level 2: 60%+
NEET - 2022
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 |
 57%
Level 3: 35%-60%
NEET - 2020
Hints
A liquid compound (x) can be purified by steam distillation only if it is:
1. Steam volatile, immiscible with water
2. Not steam volatile, miscible with water
3. Steam volatile, miscible with water
4. Not steam volatile, immiscible with water
Subtopic: Â Purification of Organic Compounds |
 74%
Level 2: 60%+
NEET - 2020
Hints
- 1(current)
Q. No.
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