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. |
“Inactive” catalysts appear to be more useful than “active” ones. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
On increasing hydrogen pressure what happens to selectivity? |
| A. | Increases |
| B. | Decreases |
| C. | Non change |
| D. | All of the mentioned |
| Answer» C. Non change | |
| 3. |
‘ C-C’ linkage are cleaved by what in hydrogenation? |
| A. | Catalyst |
| B. | Nickel |
| C. | Hydrogen |
| D. | Zinc |
| Answer» C. Hydrogen | |
| 4. |
ON_INCREASING_HYDROGEN_PRESSURE_WHAT_HAPPENS_TO_SELECTIVITY??$ |
| A. | Increases |
| B. | Decreases |
| C. | Non change |
| D. | All of the mentioned |
| Answer» C. Non change | |
| 5. |
“Inactive” catalysts appear to be more useful than “active” ones.$# |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
How is Selective hydrogenations accomplished? |
| A. | Catalyst |
| B. | Temperature |
| C. | Pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
What is meant by stepwise reduction? |
| A. | Cleaving |
| B. | Addition |
| C. | Partial |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 8. |
Pyridine on hydrogenolysis produces what? |
| A. | Hydrocarbon |
| B. | Ammonia |
| C. | Both hydrocarbon and ammonia |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
Lactones undergo hydrogenolysis to give ether. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Cresols yield aromatic hydrocarbons on hydrogenolysis over which catalyst? |
| A. | Nickel |
| B. | Zinc |
| C. | Cadmium |
| D. | All of the mentioned |
| Answer» B. Zinc | |
| 11. |
Cyclic hydrocarbons containing five- and six-membered rings do not undergo reaction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
‘ C-C’ linkage are cleaved by what in hydrogenation?$ |
| A. | Catalyst |
| B. | Nickel |
| C. | Hydrogen |
| D. | Zinc |
| Answer» C. Hydrogen | |
| 13. |
Hydrogenolysis is analogous to which reaction? |
| A. | Hydrolysis |
| B. | Alcoholysis |
| C. | Ammonolysis |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
What is meant by Hydrogenolysis? |
| A. | Addition of molecule |
| B. | Cleavage of molecule |
| C. | Unsaturated compound |
| D. | All of the mentioned |
| Answer» C. Unsaturated compound | |