MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is inversely proportional to the chemical shifts positions ( )? |
| A. | Frequency of unknown group of protons |
| B. | Frequency of TMS |
| C. | Operating frequency of the instrument |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2. |
In how many ways CH3 protons can couple with the protons on adjacent carbon atom relative to the external field. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 3. |
For NMR spectrum, carbon tetrachloride and water can be successfully used as a solvent. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Number of NMR signals obtained in CH3COCH3 will be ____________ |
| A. | 6 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» E. | |
| 5. |
The number of different orientations which a magnetic nucleus can take is ____________ |
| A. | 2I |
| B. | 2I-1 |
| C. | 2I+1 |
| D. | 4I |
| Answer» D. 4I | |