MCQOPTIONS
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MCQOPTIONS
This section includes 18 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. |
What is meant by Ammonia factor? |
| A. | Ammonia concentration |
| B. | Intensity factor |
| C. | Capacity factor |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2. |
The introduction of more than one nitro group greatly decreases the activity of the halogen atom. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
By the introduction of which group makes the replacement of halogen atom faster? |
| A. | Positive group |
| B. | Negative group |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» C. Both of the mentioned | |
| 4. |
When we dilute NH3 solution, does the reaction suffer? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 5. |
BY_THE_INTRODUCTION_OF_WHICH_GROUP_MAKES_THE_REPLACEMENT_OF_HALOGEN_ATOM_FASTER??$ |
| A. | Positive group |
| B. | Negative group |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» C. Both of the mentioned | |
| 6. |
What is meant by Ammonia factor?$ |
| A. | Ammonia concentration |
| B. | Intensity factor |
| C. | Capacity factor |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 7. |
The introduction of more than one nitro group greatly decreases the activity of the halogen atom.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The reaction-rate with aryl chlorides depends on what? |
| A. | Ammonia ratio |
| B. | Reaction temperature |
| C. | Halogen compound |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
Which of the following is/are the advantage for using excess NH3? |
| A. | Rapid amination |
| B. | Complete reaction |
| C. | Large quantity |
| D. | All of the mentioned |
| Answer» E. | |
| 10. |
The conversion of chlorobenzene to aniline requires what temperature? |
| A. | Below 50°C |
| B. | 100°C |
| C. | 150°C |
| D. | Above 200°C |
| Answer» E. | |
| 11. |
The replacement of Br atom is easier than Cl atom. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Are emulsifying and wetting agents important amination process? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 13. |
Liquid phase reaction are possible without agitation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Homogeneity of reaction is highly important in which phase? |
| A. | Vapour |
| B. | Liquid |
| C. | Solid |
| D. | All of the mentioned |
| Answer» C. Solid | |
| 15. |
When we dilute NH3 solution, does the reaction suffer? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 16. |
Which factor increases the partial pressure in a reaction? |
| A. | NH<sub>3</sub> concentration |
| B. | Heat |
| C. | Agitation |
| D. | All of the mentioned |
| Answer» B. Heat | |
| 17. |
Anthraquinonesulfonic acids are more readily converted to amines than the insoluble halogen compounds. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 18. |
Which of the following does not affect the reaction rate? |
| A. | Solubility |
| B. | Agitation |
| C. | Nitro group |
| D. | None of the mentioned |
| Answer» E. | |