MCQOPTIONS
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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Reaction Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The rate constant and half life for reactions are related as ____ |
| A. | k t<sub>0.5</sub> |
| B. | k ( frac{1}{(t_{0.5})} ) |
| C. | k e<sup>(-t<sub>0.5</sub>)</sup> |
| D. | k is independent of t<sub>0.5</sub> |
| Answer» C. k e<sup>(-t<sub>0.5</sub>)</sup> | |
| 2. |
State true or false.The value of frequency factor affects the temperature sensitivity of reaction. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The unit of activation energy is ____ |
| A. | mol |
| B. | mol.K |
| C. | K |
| D. | J/ mol |
| Answer» E. | |
| 4. |
State true or false.The Arrhenius law plot of lnk vs 1/ T gives a straight line with large slope for large activation energy. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The reaction rate constant is related to reaction rate as ____ |
| A. | k (-r<sub>A</sub>) |
| B. | k ( frac{1}{(-r_A)} ) |
| C. | k e<sup>(-r<sub>A</sub>)</sup> |
| D. | k is independent of (-r<sub>A</sub>) |
| Answer» B. k ( frac{1}{(-r_A)} ) | |