MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The value ∆H transition of C (graphite) → C (diamond) is 1.9 kJ/mol at 25℃ entropy of graphite is higher than entropy of diamond. This implies that? |
| A. | C(diamond) is more thermodynamically stable then C (graphite) at 25℃ |
| B. | C(graphite) is more thermodynamically stable than C (diamond) at 25℃ |
| C. | diamond will provide more heat on complete combustion at 25℃ |
| D. | ∆Gtransition of C (diamond) → C (graphite) is -ve |
| Answer» E. | |
| 2. |
The heat of combustion of carbon is 394 KJ/mol. What will be the heat evolved in combustion of 6.023 x 1022 atoms of carbon? |
| A. | 64.7 KJ |
| B. | 39.4 KJ |
| C. | 42.4 KJ |
| D. | 91.6 KJ |
| Answer» C. 42.4 KJ | |
| 3. |
Which of the following reaction has a faster rate of reaction for nascent oxygen atom? |
| A. | R1 >> R2 |
| B. | R1 > R2 |
| C. | R1 << R2 |
| D. | R1 < R2 |
| Answer» D. R1 < R2 | |