MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
By adjusting the strength of the sulfuric acid solution, the absorption may be made selective. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
“Care must be taken to achieve uniformity of nitration”. |
| A. | True |
| B. | False. |
| Answer» B. False. | |
| 3. |
Complete the following reaction: C2H5OH + HNO3 ——> C2H5ONO2 + H2O. |
| A. | C2H5ONO3 |
| B. | C2H5ONH2 |
| C. | C2H5ONO2 |
| D. | C2H5NO2 |
| Answer» D. C2H5NO2 | |
| 4. |
BY_ADJUSTING_THE_STRENGTH_OF_THE_SULFURIC_ACID_SOLUTION,_THE_ABSORPTION_MAY_BE_MADE_SELECTIVE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the formula of sulphur analogue of phosphorus oxychloride? |
| A. | PSCl<sub>3</sub> |
| B. | PSCl<sub>5</sub> |
| C. | PSCl<sub>2</sub> |
| D. | PCl<sub>2</sub>S |
| Answer» B. PSCl<sub>5</sub> | |
| 6. |
Phosphates are prepared by the reaction of what? |
| A. | Phosphorus pentachloride |
| B. | Phosphorus oxychloride |
| C. | Phosphorus pentachloride & oxychloride |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
What is the use of monosulphates? |
| A. | Drying agent |
| B. | Detergent |
| C. | Catalyst |
| D. | All of the mentioned |
| Answer» C. Catalyst | |
| 8. |
“Care must be taken to achieve uniformity of nitration”.$ |
| A. | True |
| B. | False. |
| Answer» B. False. | |
| 9. |
Complete the following reaction: C2H5OH + HNO3 ——> C2H5ONO2 + H2O.$ |
| A. | C<sub>2</sub>H<sub>5</sub>ONO<sub>3</sub> |
| B. | C<sub>2</sub>H<sub>5</sub>ONH<sub>2</sub> |
| C. | C<sub>2</sub>H<sub>5</sub>ONO<sub>2</sub> |
| D. | C<sub>2</sub>H<sub>5</sub>NO<sub>2</sub> |
| Answer» D. C<sub>2</sub>H<sub>5</sub>NO<sub>2</sub> | |
| 10. |
What is done to avoid polymerization of the hydrocarbons? |
| A. | Low temperature |
| B. | High heat |
| C. | Catalyst |
| D. | High temperature |
| Answer» B. High heat | |
| 11. |
What is a mixed acid? |
| A. | HCl+ HNO<sub>3</sub> |
| B. | H<sub>2</sub>SO<sub>4</sub>+HCl |
| C. | H<sub>2</sub>SO<sub>4</sub>+ HNO<sub>3</sub> |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 12. |
The nitration is carried out in only homogeneous phase. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Which of the following is an ester of inorganic acid? |
| A. | Sulfuric acid |
| B. | Phosphoric acid |
| C. | Silicic acid |
| D. | All of the mentioned |
| Answer» E. | |