MCQOPTIONS
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MCQOPTIONS
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. |
Which of the following constants is a type of equilibrium constant? |
| A. | Dissociation constant |
| B. | Association constant |
| C. | Solubility |
| D. | Decay constant |
| Answer» E. | |
| 2. |
Which of the following is true for the rate law of a reversible reaction? |
| A. | It reduces to irreversible form when product concentration is zero |
| B. | It satisfies thermodynamic relationships at all times |
| C. | Rate law can be written only in terms of partial pressures |
| D. | Rate law can be written only in terms of concentrations |
| Answer» B. It satisfies thermodynamic relationships at all times | |
| 3. |
For the reaction A + 3B 2Cthe specific reaction rate will be maximum for which species? |
| A. | A |
| B. | B |
| C. | C |
| D. | Equal for all species |
| Answer» C. C | |
| 4. |
The equilibrium constant increases when _____________ |
| A. | Initial concentration of reactant increases in endothermic reactions |
| B. | Initial concentration of reactant decreases in endothermic reactions |
| C. | Temperature increases in exothermic reactions |
| D. | Temperature decreases in exothermic reactions |
| Answer» E. | |
| 5. |
Choose the correct rate law for the elementary reversible reaction 3A B + 2C. |
| A. | r<sub>A</sub> = kC<sub>A</sub><sup>3</sup> C<sub>B</sub>C<sub>C</sub><sup>2</sup>/K<sub>C</sub> |
| B. | r<sub>A</sub> = k[C<sub>A</sub><sup>3</sup> C<sub>B</sub>C<sub>C</sub><sup>2</sup>K<sub>C</sub>] |
| C. | r<sub>A</sub> = k[C<sub>A</sub><sup>3</sup> C<sub>B</sub>C<sub>C</sub><sup>2</sup>]/K<sub>C</sub> |
| D. | r<sub>A</sub> = k[C<sub>A</sub><sup>3</sup> C<sub>B</sub>C<sub>C</sub><sup>2</sup>/K<sub>C</sub>] |
| Answer» E. | |