MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Solid State Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The intensities of various candidate reflections estimated qualitatively from the indexed single crystal photographs and the strongest of these almost certainly correspond to the reflection that gives___________ |
| A. | powder line |
| B. | curve |
| C. | stress |
| D. | strain |
| Answer» B. curve | |
| 2. |
Accurate cell parameters can be obtained from a least squares refinement of the _______________ |
| A. | S-spacings |
| B. | Vacant p shells |
| C. | d-spacings |
| D. | vacant f shells |
| Answer» D. vacant f shells | |
| 3. |
Unit cell parameters are determined by which of the following parameters? |
| A. | Double crystal X-ray photographs |
| B. | Single crystal X-ray photographs |
| C. | Double crystal Gamma rays graphs |
| D. | Single crystal Gamma rays graphs |
| Answer» C. Double crystal Gamma rays graphs | |
| 4. |
THE_INTENSITIES_OF_VARIOUS_CANDIDATE_REFLECTIONS_ESTIMATED_QUALITATIVELY_FROM_THE_INDEXED_SINGLE_CRYSTAL_PHOTOGRAPHS_AND_THE_STRONGEST_OF_THESE_ALMOST_CERTAINLY_CORRESPOND_TO_THE_REFLECTION_THAT_GIVES___________?$ |
| A. | powder line |
| B. | curve |
| C. | stress |
| D. | strain |
| Answer» B. curve | |
| 5. |
Accurate cell parameters can be obtained from a least squares refinement of the ______________? |
| A. | S-spacings |
| B. | Vacant p shells |
| C. | d-spacings |
| D. | vacant f shells |
| Answer» D. vacant f shells | |
| 6. |
What are the limitations for the accuracy of the values for the unit cell parameters? |
| A. | Lack of sufficient temperature |
| B. | Insufficient amount of the unit cells |
| C. | Shrinkage of film |
| D. | Lack of external pressure |
| Answer» D. Lack of external pressure | |
| 7. |
Unit cell parameters are determined by which of the following parameters? |
| A. | Double crystal X-ray photographs |
| B. | Single crystal X-ray photographs |
| C. | Double crystal Gamma rays graphs |
| D. | Single crystal Gamma rays graphs |
| Answer» C. Double crystal Gamma rays graphs | |
| 8. |
Stress is caused or generated internally by the consequence of chemical reaction taking place in the crystal, one of its example is occurrence of phase transitions during __________ |
| A. | Change in concentration |
| B. | Change in solubility |
| C. | Change in force |
| D. | Change in temperature |
| Answer» E. | |
| 9. |
Chemical reaction inside the crystal can cause________ |
| A. | Change in external temperature |
| B. | Change in concentration |
| C. | Stress |
| D. | Change in solubility |
| Answer» D. Change in solubility | |
| 10. |
Stress is caused on the crystal by which of the following factor? |
| A. | External strain applied |
| B. | Internal stress |
| C. | External pressure |
| D. | External change in temperature |
| Answer» D. External change in temperature | |
| 11. |
The powdered line are broadened in the crystal during which of the following phenomenon? |
| A. | Uniform strain is applied |
| B. | Uniform stress is applied |
| C. | Non uniform stress is applied |
| D. | Non uniform strain is applied |
| Answer» D. Non uniform strain is applied | |
| 12. |
Contraction of the unit cell in the crystal occurs during which of the following phenomenon? |
| A. | Uniform strain is applied |
| B. | Uniform stress is applied |
| C. | Non uniform stress is applied |
| D. | Non uniform strain is applied |
| Answer» C. Non uniform stress is applied | |
| 13. |
Crystals experience anomalous powder patterns under___________ |
| A. | Strain |
| B. | Change in temperature |
| C. | Change in concentration |
| D. | Stress |
| Answer» E. | |