- 1(current)
Q. No.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 |
| 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 |
 71%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
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 |
 65%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Match list-I with list-II:
| 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 |
| (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 |
 71%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
 52%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
 69%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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