MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is(are) not meso compound(s)? |
| A. | II |
| B. | II and III |
| C. | I and III |
| D. | I and II |
| E. | not meso compound(s)?a) IIb) II and IIIc) I and IIId) I and II |
| Answer» B. II and III | |
| 2. |
The given compound is meso compound. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is a mesocompound? |
| A. | I |
| B. | II |
| C. | III |
| D. | IV |
| Answer» B. II | |
| 4. |
Which is a meso compound? |
| A. | (2R,3R)-2,3-Dibromobutane |
| B. | (2R,3S)-2,3-Dibromopentane |
| C. | (2R,4R)-2,4-Dibromopentane |
| D. | (2R,4S)-2,4-Dibromopentane |
| Answer» E. | |
| 5. |
Which statement is not true for a meso compound? |
| A. | The specific rotation is 0° |
| B. | There are one or more planes of symmetry |
| C. | A single molecule is identical to its mirror image |
| D. | The stereochemical labels, (R) and (S), must be identical for each stereogenic center |
| Answer» E. | |
| 6. |
Which of the following compounds is a meso compound? |
| A. | (2R,3R)-dibromobutane |
| B. | (2R,3S)-dibromobutane |
| C. | (2R,3S)-3-bromo-2-butanol |
| D. | (2R,3R)-3-bromo-2-butanol |
| Answer» C. (2R,3S)-3-bromo-2-butanol | |
| 7. |
A compound whose molecules are superimposable on their mirror images even though they contain asymmetric carbon atoms is called |
| A. | A threo compound |
| B. | A meso compound |
| C. | A unsymmetric compound |
| D. | An erythro compound |
| Answer» C. A unsymmetric compound | |
| 8. |
Which of the following is the definition of a meso compound? |
| A. | A molecule with chirality centers which is chiral |
| B. | A chiral compound with more than one chirality center |
| C. | A diastereomer with no chirality centers |
| D. | A molecule with chirality centers which is not chiral |
| Answer» E. | |