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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Raoult`s law is used primarily for a component whose mole fraction approaches ________ |
| A. | 0.25 |
| B. | 0.50 |
| C. | 0.75 |
| D. | 1.00 |
| Answer» E. | |
| 2. |
What Pi represents in the expression? |
| A. | Partial pressure of component i in the vapor phase |
| B. | Mole fraction of component i in the liquid phase |
| C. | Vapor pressure of component i at T |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
In an ideal solutiona) All of the molecules have same intra-molecular forceb) All of the molecules may have same intra-molecular forcec) All of the molecules do not have same intra-molecular forced) None of the mentioned 7-9. For the given Raoult`s law expression: Pi = XiPi*(T)7. What Pi represents in the expression? |
| A. | All of the molecules have same intra-molecular forceb) All of the molecules may have same intra-molecular forcec) All of the molecules do not have same intra-molecular forced) None of the mentioned 7-9. For the given Raoult`s law expression: Pi = XiPi*(T)7. What Pi represents in the expression?a) Partial pressure of component i in the vapor phase |
| B. | All of the molecules may have same intra-molecular forcec) All of the molecules do not have same intra-molecular forced) None of the mentioned 7-9. For the given Raoult`s law expression: Pi = XiPi*(T)7. What Pi represents in the expression?a) Partial pressure of component i in the vapor phaseb) Mole fraction of component i in the liquid phase |
| C. | All of the molecules do not have same intra-molecular forced) None of the mentioned 7-9. For the given Raoult`s law expression: Pi = XiPi*(T)7. What Pi represents in the expression?a) Partial pressure of component i in the vapor phaseb) Mole fraction of component i in the liquid phasec) Vapor pressure of component i at T |
| D. | None of the mentioned 7-9. For the given Raoult`s law expression: Pi = XiPi*(T)7. What Pi represents in the expression?a) Partial pressure of component i in the vapor phaseb) Mole fraction of component i in the liquid phasec) Vapor pressure of component i at Td) None of the mentionedView Answer |
| Answer» B. All of the molecules may have same intra-molecular forcec) All of the molecules do not have same intra-molecular forced) None of the mentioned 7-9. For the given Raoult`s law expression: Pi = XiPi*(T)7. What Pi represents in the expression?a) Partial pressure of component i in the vapor phaseb) Mole fraction of component i in the liquid phase | |
| 4. |
In vapor-liquid equilibrium, the component with lesser vapor pressure tends to accumulate in ______ phase. |
| A. | Vapor |
| B. | Liquid |
| C. | Solid |
| D. | None of the mentioned |
| Answer» C. Solid | |
| 5. |
RAOULT`S_LAW_IS_USED_PRIMARILY_FOR_A_COMPONENT_WHOSE_MOLE_FRACTION_APPROACHES_________?$ |
| A. | 0.25 |
| B. | 0.50 |
| C. | 0.75 |
| D. | 1.00 |
| Answer» E. | |
| 6. |
What Xi represents in the expression? |
| A. | Partial pressure of component i in the vapor phase |
| B. | Mole fraction of component i in the liquid phase |
| C. | Vapor pressure of component i at T |
| D. | None of the mentioned |
| Answer» C. Vapor pressure of component i at T | |
| 7. |
For the given Raoult`s law expression: Pi = XiPi*(T) |
| A. | |
| B. | Partial pressure of component i in the vapor phase |
| C. | Mole fraction of component i in the liquid phase |
| Answer» B. Partial pressure of component i in the vapor phase | |
| 8. |
In an ideal solution |
| A. | All of the molecules have same intra-molecular force |
| B. | All of the molecules may have same intra-molecular force |
| C. | All of the molecules do not have same intra-molecular force |
| D. | None of the mentioned |
| Answer» B. All of the molecules may have same intra-molecular force | |
| 9. |
For a solution to be ideal |
| A. | All the molecules of all type should have the same size |
| B. | All the molecules of all type may have the same size |
| C. | All the molecules of all type must not have the same size |
| D. | None of the mentioned |
| Answer» B. All the molecules of all type may have the same size | |
| 10. |
In vapor-liquid equilibrium, the component with larger vapor pressure tends to accumulate in ______ phase. |
| A. | Vapor |
| B. | Liquid |
| C. | Solid |
| D. | None of the mentioned |
| Answer» B. Liquid | |
| 11. |
In vapor-liquid equilibrium, the less volatile component tends to accumulate in ______ phase. |
| A. | Vapor |
| B. | Liquid |
| C. | Solid |
| D. | None of the mentioned |
| Answer» C. Solid | |
| 12. |
In vapor-liquid equilibrium, the more volatile component tends to accumulate in ______ phase. |
| A. | Vapor |
| B. | Liquid |
| C. | Solid |
| D. | None of the mentioned |
| Answer» B. Liquid | |