MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is present at the time of cracking of hydrocarbons? |
| A. | Copper |
| B. | Zeolite |
| C. | Nickel |
| D. | Molybdenum |
| Answer» C. Nickel | |
| 2. |
Which of the following does it increase the rate of catalyst? |
| A. | Decreasing Ea |
| B. | Increasing Ea |
| C. | Increasing pressure |
| D. | Increasing entropy |
| Answer» B. Increasing Ea | |
| 3. |
What is the amount of intermediate formed when initial amount is 300 and final amount is 700? |
| A. | 400 |
| B. | 1000 |
| C. | 700 |
| D. | 300 |
| Answer» B. 1000 | |
| 4. |
Which of the following is used as a catalyst for the following reaction?CH3COOC2H5 + H2O ——–> CH3COOH + C2H5OH |
| A. | Chlorine |
| B. | Hydrochloric acid |
| C. | Sulphuric acid |
| D. | Nitrous acid |
| Answer» C. Sulphuric acid | |
| 5. |
Which of the following decreases the rate of reactions? |
| A. | Catalytic promoters |
| B. | Homogeneous catalyst |
| C. | Catalytic poison |
| D. | Heterogeneous catalyst |
| Answer» D. Heterogeneous catalyst | |
| 6. |
Promoter decreases the activity of catalyst. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of the following does not occur at the interface of phase? |
| A. | Crystallisation |
| B. | Heterogeneous catalysis |
| C. | Homogeneous catalysis |
| D. | Corrosion |
| Answer» D. Corrosion | |
| 8. |
How does a catalyst change during a reaction? |
| A. | Physically |
| B. | Mass-wise |
| C. | Chemically |
| D. | Quantitatively |
| Answer» B. Mass-wise | |