MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Under SN2 conditions, on reaction with NaOH, (S)-2-bromo octane gives (R)-2-octanol. This is an example of ____________ |
| A. | Dynamicselective |
| B. | Stereoselective |
| C. | Regioselective |
| D. | Stereospecific |
| Answer» E. | |
| 2. |
Under SN2 conditions, on reaction with NaOH, (R)-2-bromo octane gives ____________ |
| A. | (S)-2-octanol |
| B. | (R)-2-octanol |
| C. | Trans-2-butene |
| D. | Cis-2-butene |
| Answer» B. (R)-2-octanol | |
| 3. |
R – C = C – R reacts in the presence of lindlar catalyst to give a syn product. This is an example of ____________ |
| A. | Dynamicselective |
| B. | Stereoselective |
| C. | Regioselective |
| D. | Stereospecific |
| Answer» C. Regioselective | |
| 4. |
Reaction of (±) 2,3- dibromobutane is slower than meso in which the two methyl groups are ____________ |
| A. | Skew |
| B. | Anti |
| C. | Gauche |
| D. | Partially eclipsed |
| Answer» E. | |