MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the chiral molecule among the following. |
| A. | Isopropyl alcohol |
| B. | 2-pentanol |
| C. | 1-bromo 3-butene |
| D. | Isobutyl alcohol |
| Answer» E. | |
| 2. |
The molecular formula C5H12 contains how many isomeric alkanes? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 3. |
Which among the following correctly defines Diastereomer? |
| A. | These have same magnitude but different signs of optical rotation |
| B. | Nonsuperimposable object mirror relationship |
| C. | These differ in all physical properties |
| D. | Separation is very difficult |
| Answer» D. Separation is very difficult | |
| 4. |
A fat on hydrolysis would yield? |
| A. | Glycerol and soap |
| B. | Ethanol and soap |
| C. | Ethanol and glycerol |
| D. | Only soap |
| Answer» B. Ethanol and soap | |
| 5. |
Which among the following is formed when an alcohol is dehydrated? |
| A. | alkane |
| B. | alkyne |
| C. | alkene |
| D. | aldehyde |
| Answer» D. aldehyde | |
| 6. |
Which among the following does not exhibit geometric isomerism? |
| A. | 1-hexene |
| B. | 2-hexene |
| C. | 3-hexene |
| D. | 4-hexene |
| Answer» B. 2-hexene | |
| 7. |
Which among the following defines Meso forms of isomers? |
| A. | Meso form is optically inactive due to external compensation |
| B. | The molecules of the meso isomers are chiral |
| C. | It can be separated into optically active enantiometric pairs |
| D. | It is a single compound |
| Answer» E. | |
| 8. |
Isomers with similar groups on the same side are called as ” trans” isomers. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called? (In specific) |
| A. | Structural Isomerism |
| B. | Stereo Isomerism |
| C. | Structural Isomerismb) Stereo Isomerismc) Geometrical Isomerism |
| D. | Optical Isomerism |
| Answer» D. Optical Isomerism | |
| 10. |
Choose the incorrect option regarding Isomerism. |
| A. | They differ in both physical and chemical properties |
| B. | They have the different molecular formula |
| C. | There are two types of Isomerism : Structural and Stereo Isomerism |
| D. | Geometric and optical isomerism are two types of Stereo Isomerism |
| Answer» C. There are two types of Isomerism : Structural and Stereo Isomerism | |
| 11. |
Identify the chiral molecule among the following: |
| A. | Isopropyl alcohol |
| B. | 2-pentanol |
| C. | 1-bromo 3-butene |
| D. | Isobutyl alcohol |
| Answer» E. | |
| 12. |
The molecular formula C5H12 contains how many isomeric alkanes? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 13. |
Which among the following correctly defines Diastereomer? |
| A. | These have same magnitude but different signs of optical rotation |
| B. | Nonsuperimposable object mirror relationship |
| C. | These differ in all physical properties |
| D. | Separation is very difficult |
| Answer» D. Separation is very difficult | |
| 14. |
A fat on hydrolysis would yield? |
| A. | Glycerol and soap |
| B. | Glycerol and soap |
| C. | Ethanol and glycerol |
| D. | Only soap |
| Answer» B. Glycerol and soap | |
| 15. |
Which among the following is formed when an alcohol is dehydrated? |
| A. | alkane |
| B. | alkyne |
| C. | alkene |
| D. | aldehyde |
| Answer» D. aldehyde | |
| 16. |
Which among the following does not exhibit geometric isomerism |
| A. | 1-hexene |
| B. | 2-hexene |
| C. | 3-hexene |
| D. | 4-hexene |
| Answer» B. 2-hexene | |
| 17. |
Which among the following defines Meso forms of isomers |
| A. | Meso form is optically inactive due to external compensation |
| B. | Meso form is optically inactive due to external compensation |
| C. | It can be separated into optically active enantiometric pairs |
| D. | It is a single compound |
| Answer» E. | |
| 18. |
Isomers with similar groups on the same side are called as ” trans” isomers. State true or false |
| A. | True |
| B. | False |
| Answer» C. | |
| 19. |
Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called? (In specific) |
| A. | Structural Isomerism |
| B. | Stereo Isomerism |
| C. | Geometrical Isomerism |
| D. | Optical Isomerism |
| Answer» D. Optical Isomerism | |
| 20. |
Choose the incorrect option regarding Isomerism: |
| A. | They differ in both physical and chemical properties |
| B. | They have the different molecular formula |
| C. | There are two types of Isomerism : Structural and Stereo Isomerism |
| D. | Geometric and optical isomerism are two types of Stereo Isomerism |
| Answer» C. There are two types of Isomerism : Structural and Stereo Isomerism | |