MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statement is true regarding hybrid orbitals? |
| A. | The amount of orbitals formed after the hybridization is not equal to the number of orbitals before hybridization |
| B. | The hybrid orbitals don t have equal energy |
| C. | They can form more stable bonds than the pure orbitals |
| D. | Hybridization doesn t indicate geometry |
| Answer» D. Hybridization doesn t indicate geometry | |
| 2. |
The orbitals formed after hybridization have equal energy. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the geometry of PCl5 molecule? |
| A. | Square pyramidal |
| B. | V-shape |
| C. | Trigonal bipyramidal |
| D. | Tetrahedral |
| Answer» D. Tetrahedral | |
| 4. |
Mention the types of orbitals that undergo hybridization in order to get octahedral geometry? |
| A. | s-orbital only |
| B. | s-orbital and p-orbital |
| C. | s-orbital, p-orbital, and d-orbital |
| D. | d-orbital and p-orbital |
| Answer» D. d-orbital and p-orbital | |
| 5. |
What do you think is the number of sigma bonds in an ethene molecule? |
| A. | 6 |
| B. | 7 |
| C. | 4 |
| D. | 5 |
| Answer» E. | |
| 6. |
What is the bond angle of H-C-H in methane molecule? |
| A. | 104.5 |
| B. | 109.5 |
| C. | 108 |
| D. | 120 |
| Answer» C. 108 | |
| 7. |
What type of hybridization does a BCl3 molecule undergo? |
| A. | sp |
| B. | sp<sup>2</sup> |
| C. | sp<sup>3</sup> |
| D. | sp<sup>3</sup>d |
| Answer» C. sp<sup>3</sup> | |
| 8. |
The orbitals that are resulted from sp hybridization have _______% s-character and ________% p-character. |
| A. | 25, 75 |
| B. | 75, 25 |
| C. | 20, 80 |
| D. | 50, 50 |
| Answer» E. | |
| 9. |
The phenomenon of forming completely new atomic orbitals by intermixing them is known as ___________ |
| A. | Allocation |
| B. | Hybridization |
| C. | Chemical bond formation |
| D. | Electron configuration |
| Answer» C. Chemical bond formation | |
| 10. |
Who introduced the concept of hybridization? |
| A. | Pauling |
| B. | London |
| C. | Sidgwick |
| D. | Alexander |
| Answer» B. London | |