MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What must be the value of the selectivity factor? |
| A. | Equal to 1 |
| B. | Less than 1 |
| C. | Greater than 1 |
| D. | Greater than 0 |
| Answer» D. Greater than 0 | |
| 2. |
Retention factor is also known as the capacitance factor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Retention distance is the distance between point of injection and minimum peak in the recorder or computer generated chart. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Which of the following is the ratio of a length of column packing to retention time? |
| A. | Average linear rate of solute migration |
| B. | Average linear rate of mobile migration |
| C. | Relative migration rate |
| D. | Selectivity factor |
| Answer» B. Average linear rate of mobile migration | |
| 5. |
Which of the following is the ratio of the length of column packing to dead time? |
| A. | Average linear rate of solute migration |
| B. | Average linear rate of mobile migration |
| C. | Relative migration rate |
| D. | Selectivity factor |
| Answer» C. Relative migration rate | |
| 6. |
Which of the following is the ratio of the interstitial volume of packing to the volume of its total mass? |
| A. | Distribution constant |
| B. | Volumetric phase ratio |
| C. | Retention factor |
| D. | Total porosity |
| Answer» E. | |
| 7. |
Which of the following is defined as the ratio of moles of solute in stationary phase to the moles of solute in the mobile phase? |
| A. | Distribution constant |
| B. | Volumetric phase ratio |
| C. | Retention factor |
| D. | Total porosity |
| Answer» D. Total porosity | |
| 8. |
If the value of the distribution constant k is one, then what could be inferred about the distribution of solute? |
| A. | Its distribution in stationary phase is greater |
| B. | Its distribution in mobile phase is greater |
| C. | It is equally distributed in stationary and mobile phase |
| D. | It is distributed in a random manner |
| Answer» D. It is distributed in a random manner | |
| 9. |
How is the molar concentration of solute in stationary phase related to molar concentration of solute in the mobile phase? |
| A. | Directly proportional |
| B. | Inversely proportional |
| C. | Equal |
| D. | Not related |
| Answer» B. Inversely proportional | |