MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
State true or false.For a gas phase reaction, the rate of the reaction, (-rA)=-\(\frac{1}{V}\frac{dN_A}{dt}=-\frac{dC_A}{dt}\) is valid only if A → B. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The rate of a gas phase reaction involving the conversion of reactant ‘i’ to product is expressed as ____ |
| A. | (-ri)=-\(\frac{1}{V^2}\frac{dN_i}{dt} \) |
| B. | (-ri)=-\(\frac{1}{V}\frac{dN_i}{dt} \) |
| C. | (-ri)=-\(\frac{dN_i}{dt} \) |
| D. | (-ri)=-V\(\frac{dN_i}{dt} \) |
| Answer» C. (-ri)=-\(\frac{dN_i}{dt} \) | |
| 3. |
The progress of which among the following reactions results in an increase in volume? |
| A. | A → B |
| B. | 3A → B |
| C. | A → 4B |
| D. | 2A → B |
| Answer» D. 2A → B | |
| 4. |
For an ideal gas at any given temperature and pressure, the ideal gas law is used to express ____ |
| A. | Concentration of gas molecules |
| B. | Mobility of gas molecules |
| C. | Kinetic energy of gas molecules |
| D. | Potential energy of gas molecules |
| Answer» B. Mobility of gas molecules | |
| 5. |
Which of the following is true for gas phase reactions? |
| A. | Increase in moles of product increases the volume of the reaction mixture |
| B. | Increase in moles of product decreases the volume of the reaction mixture |
| C. | Decrease in moles of product increases the volume of the reaction mixture |
| D. | Increase in moles of product does not affect the volume of the reaction mixture |
| Answer» B. Increase in moles of product decreases the volume of the reaction mixture | |