MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 17 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. |
“-NO2” produces which effect? |
| A. | Both the effects |
| B. | Does not produce any |
| C. | +I effect |
| D. | -I |
| Answer» E. | |
| 2. |
In -I effect, which position is most active? |
| A. | Ortho |
| B. | Para |
| C. | Meta |
| D. | All are equally active |
| Answer» D. All are equally active | |
| 3. |
If X is the positive end of dipole, it will cause which effect? |
| A. | -I effect |
| B. | +I effect |
| C. | Causes both |
| D. | -M effect |
| Answer» C. Causes both | |
| 4. |
The inductive effect is not associated with the dipole movement between the molecules C6H5-X? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
ArH + ____ ——-> ArNO2 + H2O. |
| A. | HNO |
| B. | HNO2 |
| C. | HNO3 |
| D. | Not needed |
| Answer» D. Not needed | |
| 6. |
IF_X_IS_THE_POSITIVE_END_OF_DIPOLE,_IT_WILL_CAUSE_WHICH_EFFECT??$ |
| A. | -I effect |
| B. | +I effect |
| C. | Causes both |
| D. | -M effect |
| Answer» C. Causes both | |
| 7. |
“-NO2” produces which effect?$# |
| A. | Both the effects |
| B. | Does not produce any |
| C. | +I effect |
| D. | -I |
| Answer» E. | |
| 8. |
In -I effect, which position is most active?$ |
| A. | Ortho |
| B. | Para |
| C. | Meta |
| D. | All are equally active |
| Answer» D. All are equally active | |
| 9. |
-I effect causes _______ to electron? |
| A. | Attraction |
| B. | Repulsion |
| C. | Does not affect |
| D. | None of the mentioned |
| Answer» B. Repulsion | |
| 10. |
If X is negative in the inductive effect, it draws _____ towards itself. |
| A. | Protons |
| B. | Electrons |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 11. |
The inductive effect is not associated with the dipole movement between the molecules C6H5-X? |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
What is alpha and beta position in naphthalene series? |
| A. | 1,4 and 1,8 |
| B. | 1,5 and 1,8 |
| C. | 1,3 and 1,6 |
| D. | All of the mentioned |
| Answer» C. 1,3 and 1,6 | |
| 13. |
Nitration products at ortho and para position predominates? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
The electron density is least at which position? |
| A. | Ortho |
| B. | Para |
| C. | Meta |
| D. | Equal at all places |
| Answer» D. Equal at all places | |
| 15. |
In which position does the nitro group enters? |
| A. | Ortho |
| B. | Para |
| C. | Meta |
| D. | All of the mentioned |
| Answer» E. | |
| 16. |
The nitrating agent is a ______ reactant. |
| A. | Electrophilic |
| B. | Nucleophilic |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Nucleophilic | |
| 17. |
ArH + ____ ——-> ArNO2 + H2O. |
| A. | HNO |
| B. | HNO<sub>2</sub> |
| C. | HNO<sub>3</sub> |
| D. | Not needed |
| Answer» D. Not needed | |