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. |
Which one of the following is a property of Chlorinated solvents? |
| A. | High-boiling |
| B. | Relatively inert |
| C. | Inexpensive |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
Which compound is used for ‘Baking process’ of sulfonating aromatic amines? |
| A. | Ortho-dichlorobenzene |
| B. | Para-dichlorobenzene |
| C. | Meta-dichlorobenzene |
| D. | All of the mentioned |
| Answer» B. Para-dichlorobenzene | |
| 3. |
R-HgSO4H + SO3 ——> RSO3H + HgSO4. Which type of reaction is the following? |
| A. | Substitution reaction |
| B. | Replacement reaction |
| C. | Addition reaction |
| D. | None of the mentioned |
| Answer» C. Addition reaction | |
| 4. |
WHICH_ONE_OF_THE_FOLLOWING_IS_A_PROPERTY_OF_CHLORINATED_SOLVENTS??$ |
| A. | High-boiling |
| B. | Relatively inert |
| C. | Inexpensive |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
Which compound is used for ‘Baking process’ of sulfonating aromatic amines?# |
| A. | Ortho-dichlorobenzene |
| B. | Para-dichlorobenzene |
| C. | Meta-dichlorobenzene |
| D. | All of the mentioned |
| Answer» B. Para-dichlorobenzene | |
| 6. |
Why is the use of reaction solvents is important? |
| A. | Efficient mixing |
| B. | Uniform reaction |
| C. | Reduce reaction temperature |
| D. | Both efficient mixing and uniform reaction |
| Answer» E. | |
| 7. |
Which of the following compound inhibits sulfone formation? |
| A. | Acetic acid |
| B. | Mercury |
| C. | Sulphuric acid |
| D. | None of the mentioned |
| Answer» B. Mercury | |
| 8. |
What effect does addition of Catalyst has on the sulfonation reaction? |
| A. | Lowers reaction temp. |
| B. | Improves yield |
| C. | Accelerates reaction |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
Mercury can also increase the yield without changing the orientation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Mercury affects the orientation of which of the following compounds? |
| A. | Nitrobenzene |
| B. | Benzene sulfonic acid |
| C. | O-xylene |
| D. | All of the mentioned |
| Answer» E. | |
| 11. |
Mercury catalyst does not function with which compound? |
| A. | Aqueous acid |
| B. | SO<sub>3</sub> |
| C. | Oleum |
| D. | All of the mentioned |
| Answer» B. SO<sub>3</sub> | |
| 12. |
R-HgSO4H + SO3 ——> RSO3H + HgSO4. Which type of reaction is the following?$ |
| A. | Substitution reaction |
| B. | Replacement reaction |
| C. | Addition reaction |
| D. | None of the mentioned |
| Answer» C. Addition reaction | |
| 13. |
The addition of mercury changes the orientation in a number of aromatic sulfonation reactions. |
| A. | True |
| B. | False |
| Answer» B. False | |