MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During the process of nitration of propane, the main production of nitroparaffins include what ? |
| A. | Nitromethane |
| B. | Nitro ethane |
| C. | 1-nitropropane |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
In which column the crude nitroparaffins and water are stripped out of the solvent, during the “preparation of Nitroparaffins”? |
| A. | Distillation column |
| B. | Absorbing column |
| C. | Stripping column |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
When naphthalene is nitrated under optimal conditions, what product do we get?a) a(alpha)-nitrotolueneb) b(beta)-nitrotoluenec) (gamm |
| A. | a(alpha)-nitrotoluene |
| B. | b(beta)-nitrotoluene |
| C. | (gamma)-nitrotoluene |
| D. | all of the mentioned |
| Answer» B. b(beta)-nitrotoluene | |
| 4. |
Complete the above reaction: C6H5CH3 + 18H2SO4 + 18HNO3 ——–> ____ HNOSO4 + 7CO2 + 22H2O |
| A. | 16 |
| B. | 17 |
| C. | 18 |
| D. | 19 |
| Answer» D. 19 | |
| 5. |
DURING_THE_PROCESS_OF_NITRATION_OF_PROPANE,_THE_MAIN_PRODUCTION_OF_NITROPARAFFINS_INCLUDE_WHAT_??$ |
| A. | Nitromethane |
| B. | Nitro ethane |
| C. | 1-nitropropane |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
In which column the crude nitroparaffins and water are stripped out of the solvent, during the “preparation of Nitroparaffins”?# |
| A. | Distillation column |
| B. | Absorbing column |
| C. | Stripping column |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
The purification of products, during the formation of a(alpha)-nitronaphthalene , depends upon the following ____________ |
| A. | Use of minimum solvent |
| B. | Constant agitation |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» E. | |
| 8. |
When naphthalene is nitrated under optimal conditions, what product do we get? |
| A. | a(alpha)-nitrotoluene |
| B. | b(beta)-nitrotoluene |
| C. | (gamma)-nitrotoluene |
| D. | all of the mentioned |
| Answer» B. b(beta)-nitrotoluene | |
| 9. |
What is used for the production if dyes and isocyanates? |
| A. | Nitrotoluenes |
| B. | Toluene |
| C. | Phenol |
| D. | Amines |
| Answer» B. Toluene | |
| 10. |
Complete the above reaction: C6H5CH3 + 18H2SO4 + 18HNO3 ——–> ____ HNOSO4 + 7CO2 + 22H2O$ |
| A. | 16 |
| B. | 17 |
| C. | 18 |
| D. | 19 |
| Answer» D. 19 | |
| 11. |
For preparation of Chloro-nitrobenzene which of the following position gives highest amount? |
| A. | Ortho |
| B. | Meta |
| C. | Para |
| D. | All of the mentioned |
| Answer» B. Meta | |
| 12. |
What is the formula of m-Dinitro benzene? |
| A. | (1,3)-Dinitrobenzene |
| B. | (1,2)-Dinitrobenzene |
| C. | (1,4)-Dinitrobenzene |
| D. | (1,5)-Dinitrobenzene |
| Answer» B. (1,2)-Dinitrobenzene | |
| 13. |
What percent of nitric acid is added to the nitrator to produce a mixed acid during the process of continuous nitration with fortified spent acid? |
| A. | 4% |
| B. | 63% |
| C. | 36% |
| D. | 45% |
| Answer» C. 36% | |
| 14. |
The losses incidental to the neutralization of the nitrobenzene are directly proportional to what? |
| A. | Number of washes given |
| B. | The amount of water used |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |