MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the amine as solvent, the reaction rate is proportional to what? |
| A. | Acid concentration |
| B. | Alkaline concentration |
| C. | Basic concentration |
| D. | Catalytic concentration |
| Answer» B. Alkaline concentration | |
| 2. |
Ethylene glycol is a better catalyst than water in ammonolysis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Greater the molecular weight, higher will be the rate of ammonolysis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Complete the following reaction: R-COO-R’ + NH3 —–> _____ + HOR’. |
| A. | R-CO-R’ |
| B. | R-COOH |
| C. | R-C-NH2 |
| D. | R-CONH2 |
| Answer» E. | |
| 5. |
ETHYLENE_GLYCOL_IS_A_BETTER_CATALYST_THAN_WATER_IN_AMMONOLYSIS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
In the amine as solvent, the reaction rate is proportional to what?$ |
| A. | Acid concentration |
| B. | Alkaline concentration |
| C. | Basic concentration |
| D. | Catalytic concentration |
| Answer» B. Alkaline concentration | |
| 7. |
Greater the molecular weight, higher will be the rate of ammonolysis? |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Complete the following reaction: R-COO-R’ + NH3 —–> _____ + HOR’.$ |
| A. | R-CO-R’ |
| B. | R-COOH |
| C. | R-C-NH<sub>2</sub> |
| D. | R-CONH<sub>2</sub> |
| Answer» E. | |
| 9. |
What product do we get on ammonolysis of ester? |
| A. | Amine |
| B. | Amide |
| C. | Aniline |
| D. | Azo |
| Answer» C. Aniline | |
| 10. |
The reactions of ammonia and organic compounds are effected in which phase? |
| A. | Vapour |
| B. | Liquid |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
What do we denote reaction-rate constant as? |
| A. | C |
| B. | d |
| C. | k |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 12. |
What is the nature of amination reaction? |
| A. | Unimolecular |
| B. | Bimolecular |
| C. | Trimolecular |
| D. | Polymolecular |
| Answer» C. Trimolecular | |
| 13. |
What is the method to control the pH of autoclave charge? |
| A. | copper-ammonio hydroxides |
| B. | zinc-ammonio hydroxides |
| C. | Copper-ammonio |
| D. | Copper-Nickel hydroxides |
| Answer» B. zinc-ammonio hydroxides | |
| 14. |
Which of the following is an acid inhibitor? |
| A. | Alkylamines |
| B. | Secondary amines |
| C. | Pyridine |
| D. | All of the mentioned |
| Answer» E. | |
| 15. |
Factors that affect the equilibrium? |
| A. | Temperature of the system |
| B. | Relative basicity of the amine |
| C. | Solubility of the amine |
| D. | All of the mentioned |
| Answer» E. | |