MCQOPTIONS
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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. |
Molecules do exert repulsive forces on one other. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Hydrogen bond plays a vital role in determining substance properties and structure. Which of the following may not an example? |
| A. | Proteins |
| B. | Nucleic acids |
| C. | Methane molecule |
| D. | Water |
| Answer» D. Water | |
| 3. |
Which of the following interaction occurs between a permanent dipole and a neutral molecule? |
| A. | Dipole-Dipole interactions |
| B. | Dipole-induced dipole interactions |
| C. | London interaction |
| D. | Van der Waals interaction |
| Answer» C. London interaction | |
| 4. |
Take r as the distance between two molecules. The energy between stationary polar molecules is proportional to ____________ in the case of dipole-dipole intercations. |
| A. | 1/r<sup>3</sup> |
| B. | r<sup>3</sup> |
| C. | r<sup>2</sup> |
| D. | 1/r<sup>2</sup> |
| Answer» B. r<sup>3</sup> | |
| 5. |
HCl is an example of __________ |
| A. | dipole-dipole intercations |
| B. | dipole-induced dipole interactions |
| C. | london intercation |
| D. | van der waals interaction |
| Answer» B. dipole-induced dipole interactions | |
| 6. |
Dipole-Dipole forces are stronger than _______ and weaker than _________ interactions. |
| A. | dipole-induced dipole, london |
| B. | ion-ion, dispersion |
| C. | ion-ion, london |
| D. | london, ion-ion |
| Answer» E. | |
| 7. |
Dispersion force s interaction energy is proportional to (take r as the distance between the two particles) ___________ |
| A. | r<sup>6</sup> |
| B. | 1/r<sup>-6</sup> |
| C. | r<sup>2</sup> |
| D. | 1/r<sup>6</sup> |
| Answer» E. | |
| 8. |
London force is also known as _____________ |
| A. | dispersion force |
| B. | van der Waals forces |
| C. | hydrogen bonding |
| D. | covalent bonds |
| Answer» B. van der Waals forces | |
| 9. |
Deviation of real gas behavior from ideal gas is discovered by _____________ |
| A. | Jonathan |
| B. | Van der Waals |
| C. | Boyle |
| D. | Newland |
| Answer» C. Boyle | |
| 10. |
What are the forces of attraction and repulsion between interacting molecules known as _________ |
| A. | attractive forces |
| B. | repulsive forces |
| C. | intermolecular forces |
| D. | intramolecular forces |
| Answer» D. intramolecular forces | |