MCQOPTIONS
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MCQOPTIONS
This section includes 20 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 hybridisation of BeF3- is _____________ |
| A. | sp3 |
| B. | sp |
| C. | sp2 |
| D. | d2sp3 |
| Answer» D. d2sp3 | |
| 2. |
All the hybridised orbital are not equal in energy and shape. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The percentage p-character in sp3 hybridisation is ____________ |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 66.67% |
| Answer» D. 66.67% | |
| 4. |
The bond angles in sp3d2 hybridisation is ____________ |
| A. | 900 |
| B. | 1200 |
| C. | 109.50 |
| D. | 1800 |
| Answer» B. 1200 | |
| 5. |
Due to unsymmetrical structure, the molecules having sp3d hybridisation are ____________ |
| A. | more stable and more reactive |
| B. | less stable and more reactive |
| C. | more stable and less reactive |
| D. | less stable and less reactive |
| Answer» C. more stable and less reactive | |
| 6. |
Number of chlorine atoms which form equatorial bonds in PCl5 molecule are ____________ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 7. |
Which of the following is an example of sp3d2 hybridised molecule? |
| A. | HCHO |
| B. | ClO4– |
| C. | SF6 |
| D. | PF5 |
| Answer» D. PF5 | |
| 8. |
Predict the shape of the H2O compound based upon concepts of hybridisation. |
| A. | Tetrahedral |
| B. | Angular or bent structure |
| C. | Trigonal Planar |
| D. | Pyramidal |
| Answer» C. Trigonal Planar | |
| 9. |
Shape of PCl5 molecule is _____________ |
| A. | Tigonal Planar |
| B. | Linear |
| C. | Trigonal bipyramidal |
| D. | Tetrahedral |
| Answer» D. Tetrahedral | |
| 10. |
Hybridisation of Acetylene is _____________ |
| A. | sp |
| B. | sp2 |
| C. | sp3 |
| D. | dsp2 |
| Answer» B. sp2 | |
| 11. |
ALL_THE_HYBRIDISED_ORBITAL_ARE_NOT_EQUAL_IN_ENERGY_AND_SHAPE.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
The_hybridisation_of_BeF3–_is$# |
| A. | sp<sub>3</sub> |
| B. | sp |
| C. | sp<sub>2</sub> |
| D. | d<sub>2</sub>sp<sub>3</sub> |
| Answer» D. d<sub>2</sub>sp<sub>3</sub> | |
| 13. |
The percentage p-character in sp3 hybridisation i? |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 66.67% |
| Answer» D. 66.67% | |
| 14. |
The bond angles in sp3d2 hybridisation is |
| A. | 90<sup>0</sup> |
| B. | 120<sup>0</sup> |
| C. | 109.5<sup>0</sup> |
| D. | 180<sup>0</sup> |
| Answer» B. 120<sup>0</sup> | |
| 15. |
Due to unsymmetrical structure, the molecules having sp3d hybridisation are |
| A. | more stable and more reactive |
| B. | less stable and more reactive |
| C. | more stable and less reactive |
| D. | less stable and less reactive |
| Answer» C. more stable and less reactive | |
| 16. |
Number of chlorine atoms which form equatorial bonds in PCl5 molecule are |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 17. |
Which of the following is an example of sp3d2 hybridised molecule? |
| A. | HCHO |
| B. | ClO<sub>4</sub><sup>–</sup> |
| C. | SF<sub>6</sub> |
| D. | PF<sub>5</sub> |
| Answer» D. PF<sub>5</sub> | |
| 18. |
Predict the shape of the H2O compound based upon concepts of hybridisation. |
| A. | Tetrahedral |
| B. | Angular or bent structure |
| C. | Trigonal Planar |
| D. | Pyramidal |
| Answer» C. Trigonal Planar | |
| 19. |
Shape of PCl5 molecule is |
| A. | Tigonal Planar |
| B. | Linear |
| C. | Trigonal bipyramidal |
| D. | Tetrahedral |
| Answer» D. Tetrahedral | |
| 20. |
Hybridisation of Acetylene is |
| A. | sp |
| B. | sp<sup>2</sup> |
| C. | sp<sup>3</sup> |
| D. | dsp<sup>2</sup> |
| Answer» B. sp<sup>2</sup> | |