MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 of the following is an active center in initiating systems? |
| A. | Free radicals |
| B. | Carbonium ions |
| C. | Carbanions |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
The ease of polymerization increases with the amount of unsaturation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
WHICH_OF_THE_FOLLOWING_IS_AN_ACTIVE_CENTER_IN_INITIATING_SYSTEMS??$ |
| A. | Free radicals |
| B. | Carbonium ions |
| C. | Carbanions |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
The ease of polymerization increases with the amount of unsaturation? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The tendency to decrease polymerization can be achieved by what? |
| A. | Steric hindrance |
| B. | Resonance stability |
| C. | Steric hindrance & Resonance stability |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
The energy required to activate the bond is influenced by what? |
| A. | Substituents on the atoms |
| B. | Temperature |
| C. | Pressure |
| D. | All of the mentioned |
| Answer» B. Temperature | |
| 7. |
Whether or not an active center can be formed. |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 8. |
Addition polymerization differ on what basis? |
| A. | Kinetic energy |
| B. | Reaction mechanism |
| C. | Behavior |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
Polycondensation proceed in which type of molecular weight reaction? |
| A. | High |
| B. | Moderate |
| C. | Low |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
Polymerization at the double bond is a typical addition reaction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which reaction of polymerization proceeds step-wise? |
| A. | Addition reaction |
| B. | Condensation reaction |
| C. | Substitution reaction |
| D. | None of the mentioned |
| Answer» C. Substitution reaction | |
| 12. |
A polymerization reaction can be what? |
| A. | Condensation reaction |
| B. | Hydrogenation reaction |
| C. | Substitution reaction |
| D. | Rearrangement reaction |
| Answer» B. Hydrogenation reaction | |