MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
Which of the following compounds have high heat of formation? (i) b-(2,3,4) trinitrotoluene (ii) a-(2,4,6) trinitrotoluene . |
| A. | (i) b-(2,3,4) trinitrotoluene |
| B. | (ii) a-(2,4,6) trinitrotoluene |
| C. | Both are equal |
| D. | Only (ii) a-(2,4,6) Dinitrotoluene |
| Answer» C. Both are equal | |
| 2. |
Which of the following has the highest heat of formation? |
| A. | C<sub>6</sub>H<sub>5</sub>-NO<sub>2</sub> |
| B. | C<sub>6</sub>H<sub>5</sub>-CH<sub>2</sub>-NO<sub>2</sub> |
| C. | C<sub>6</sub>H<sub>5</sub>-NH-NO<sub>2</sub> |
| D. | C<sub>6</sub>H<sub>5</sub>-N(-NO<sub>2</sub>)<sub>2</sub> |
| Answer» B. C<sub>6</sub>H<sub>5</sub>-CH<sub>2</sub>-NO<sub>2</sub> | |
| 3. |
The heats of nitration decrease with the increase in the number of nitro groups. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Calculate the Heat of nitration Q : C6H6 + HNO3 -> C6H5NO2 + H2O
|
| A. | +34.3 kgcal |
| B. | -34.3 kgcal |
| C. | +43.3 kgcal |
| D. | -43.3 kgcal |
| Answer» B. -34.3 kgcal | |
| 5. |
The total amount of heat lost by the reacting system from the start of the reaction till the products return to the initial temperature and pressure of the system, what is the heat Q called? |
| A. | Heat of Formation |
| B. | Heat of reaction |
| C. | Heat of Nitration |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
What is the denotion of enthalpy? |
| A. | H |
| B. | Q |
| C. | W |
| D. | None of the mentioned |
| Answer» B. Q | |
| 7. |
Is nitration reaction highly exothermic? |
| A. | True |
| B. | False |
| Answer» B. False | |