MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The shape of carbanion is __________ |
| A. | Linear |
| B. | Trigonal planar |
| C. | Pyramidal |
| D. | Bent |
| Answer» D. Bent | |
| 2. |
Triplet carbene is more stable than singlet carbene. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is intermediate organic species based on carbon formed by photolysis? |
| A. | Carbenes |
| B. | Carbo-cations |
| C. | Carbanions |
| D. | Free radicals |
| Answer» B. Carbo-cations | |
| 4. |
Which of the following is intermediate organic species based on carbon formed by homolytic fission? |
| A. | Carbenes |
| B. | Carbo-cations |
| C. | Carbanions |
| D. | Free radicals |
| Answer» E. | |
| 5. |
Heterolytic fission takes place between two atoms of widely different __________ |
| A. | Conductivity |
| B. | Viscosity |
| C. | Electronegtivity |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 6. |
The breaking of a covalent bond in such a way that both the electrons of shared pair are carried away by one of atom is called __________ |
| A. | Morpholytic fission |
| B. | Monolytic fission |
| C. | Heterolytic fission |
| D. | Homolytic fission |
| Answer» D. Homolytic fission | |
| 7. |
The breaking of a covalent bond in such a way that each atom separates with one electron of the shared pair is called __________ |
| A. | Homolytic fission |
| B. | Heterolytic fission |
| C. | Monolytic fission |
| D. | Morpholytic fission |
| Answer» B. Heterolytic fission | |
| 8. |
A covalent bond between two atoms may be broken in different ways depending upon __________ |
| A. | Nature of given organic compound |
| B. | Nature of attacking reagent |
| C. | Reaction conditions |
| D. | All of the mentioned |
| Answer» E. | |