MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
The presence of which ion from ammonium hydroxide is responsible for formation of hydroxy compounds? |
| A. | Ammonium ion |
| B. | Hydroxy ion |
| C. | Aniline ion |
| D. | Benzene ion |
| Answer» C. Aniline ion | |
| 2. |
Why is aq. NH3 used as an amminating agent in majority of cases? |
| A. | Handling |
| B. | More energy |
| C. | Lower reaction rate |
| D. | All of the mentioned |
| Answer» B. More energy | |
| 3. |
What happens during ‘ Double decomposition’? |
| A. | NH3 splits for reaction |
| B. | Exchange of molecules |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Exchange of molecules | |
| 4. |
THE_PRESENCE_OF_WHICH_ION_FROM_AMMONIUM_HYDROXIDE_IS_RESPONSIBLE_FOR_FORMATION_OF_HYDROXY_COMPOUNDS??$ |
| A. | Ammonium ion |
| B. | Hydroxy ion |
| C. | Aniline ion |
| D. | Benzene ion |
| Answer» C. Aniline ion | |
| 5. |
Which of the following is a reduction inhibitor in amminating reagents? |
| A. | KClO<sub>3</sub> |
| B. | H<sub>2</sub>SO<sub>4</sub> |
| C. | Zinc |
| D. | None of the mentioned |
| Answer» B. H<sub>2</sub>SO<sub>4</sub> | |
| 6. |
Why is aq. NH3 used as an amminating agent in majority of cases? |
| A. | Handling |
| B. | More energy |
| C. | Lower reaction rate |
| D. | All of the mentioned |
| Answer» B. More energy | |
| 7. |
How is the ionizing power of liquid ammonia? |
| A. | Large |
| B. | Small |
| C. | Very small |
| D. | None of the mentioned |
| Answer» B. Small | |
| 8. |
Liquid ammonia resembles water in its general physical and chemical properties. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
What are/is the condition needed for the compound which is to be aminated? |
| A. | Stability |
| B. | Solubility |
| C. | Effective catalyst |
| D. | All of the mentioned |
| Answer» E. | |
| 10. |
In which reaction does nascent or recycled amines compete with ammonia? |
| A. | Dehydration reaction |
| B. | Double decomposition |
| C. | Simple addition |
| D. | Multiple activity |
| Answer» E. | |
| 11. |
What happens during ‘ Double decomposition’?$ |
| A. | NH<sub>3</sub> splits for reaction |
| B. | Exchange of molecules |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Exchange of molecules | |
| 12. |
What do we call ammonia-hydrogen mixture? |
| A. | Hydroammonolysis |
| B. | Ammonolysis |
| C. | Nitroammonolysis |
| D. | None of the mentioned |
| Answer» B. Ammonolysis | |
| 13. |
Amination by ammonolysis is a process of formation of what? |
| A. | Phenols |
| B. | Amines |
| C. | Alcohols |
| D. | Halogens |
| Answer» C. Alcohols | |