MCQOPTIONS
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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. |
In presence of what do we get Aniline from Chlorobenzene? |
| A. | NH3, Al |
| B. | NH3, H2O |
| C. | NH3, Cu+ |
| D. | NH3, Zn+ |
| Answer» D. NH3, Zn+ | |
| 2. |
The solubility of NH3 in organic solvents is ______ than it is in water. Fill in the blank. |
| A. | More |
| B. | Less |
| C. | Equal |
| D. | None of the mentioned |
| Answer» C. Equal | |
| 3. |
When comparing NH3 and H2O vapour, as P(NH3)/P(H2O) increases, what happens to the NH3 concentration ? |
| A. | Increases |
| B. | Decreases |
| C. | No change |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 4. |
For what percent does NH3 is negatively absorbed in dilute solutions? |
| A. | Upto 25% |
| B. | Upto 50% |
| C. | Upto 75% |
| D. | Upto 100% |
| Answer» C. Upto 75% | |
| 5. |
IN_PRESENCE_OF_WHAT_DO_WE_GET_ANILINE_FROM_CHLOROBENZENE??$ |
| A. | NH<sub>3</sub>, Al |
| B. | NH<sub>3</sub>, H<sub>2</sub>O |
| C. | NH<sub>3</sub>, Cu+ |
| D. | NH<sub>3</sub>, Zn+ |
| Answer» D. NH<sub>3</sub>, Zn+ | |
| 6. |
Why is Br preferred over Cl during conversion of Halogen compounds? |
| A. | High purity products |
| B. | Faster reaction |
| C. | More energy required |
| D. | All of the mentioned |
| Answer» B. Faster reaction | |
| 7. |
The solubility of NH3 in organic solvents is ______ than it is in water. Fill in the blank. |
| A. | More |
| B. | Less |
| C. | Equal |
| D. | None of the mentioned |
| Answer» C. Equal | |
| 8. |
Organic compounds are soluble in liquid ammonia. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
For the highest conversion to primary amines during ammonolysis, what temperature is desired ? |
| A. | Highest |
| B. | Lowest |
| C. | Moderate |
| D. | No effect |
| Answer» C. Moderate | |
| 10. |
When comparing NH3 and H2O vapour, as P(NH3)/P(H2O) increases, what happens to the NH3 concentration ? |
| A. | Increases |
| B. | Decreases |
| C. | No change |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 11. |
For what percent does NH3 is negatively absorbed in dilute solutions? |
| A. | Upto 25% |
| B. | Upto 50% |
| C. | Upto 75% |
| D. | Upto 100% |
| Answer» C. Upto 75% | |
| 12. |
The presence of water or other solvent is important in ammonolytic reactions. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
The Solubility of ammonia in water is influenced by what? |
| A. | Temperature |
| B. | Pressure |
| C. | Temperature & Pressure |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 14. |
On what quantity does the ammonolysis of halogen and hydroxy compounds depends? |
| A. | Specific reactants |
| B. | Reactivity of amine |
| C. | NH3 ratio |
| D. | All of the mentioned |
| Answer» E. | |