MCQOPTIONS
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MCQOPTIONS
This section includes 7 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 formation of odd electron molecules such as H2+, NO, O3 is also explained in VBT. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which orbital would form a more stronger bond if both of them have identical stability? |
| A. | The one which is less directionally concentrated |
| B. | The one which is more directionally concentrated |
| C. | Both will be equally strong |
| D. | It differs from atom to atom |
| Answer» C. Both will be equally strong | |
| 3. |
According to VBT, the direction of a bond which is formed due to overlapping will be _____________ |
| A. | In the same direction in which orbitals are concentrated |
| B. | In the opposite direction in which orbitals are concentrated |
| C. | Perpendicular to the direction in which orbitals are concentrated |
| D. | None of the mentioned |
| Answer» B. In the opposite direction in which orbitals are concentrated | |
| 4. |
The p-orbital is in the shape of a _____________ |
| A. | Sphere |
| B. | Dumbbell |
| C. | Pear-shaped lobe |
| D. | None of the mentioned |
| Answer» C. Pear-shaped lobe | |
| 5. |
The s-orbital does not show preference to any direction because _____________ |
| A. | It is the smallest orbital |
| B. | It is present in every atom |
| C. | It is spherically symmetric |
| D. | It is the first orbital |
| Answer» D. It is the first orbital | |
| 6. |
According to VBT, the formation of a stable bond requires _____________ |
| A. | The electrons should have opposite spins |
| B. | The two atoms should be close to each other |
| C. | The greater overlapping of the electron clouds |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
Valence Bond Theory was developed in the year? |
| A. | 1916 |
| B. | 1927 |
| C. | 1930 |
| D. | 1932 |
| Answer» C. 1930 | |