Q. No.Out of the following, the alkene that exhibits optical isomerism is:
1. 2-Methyl-2-pentene
2. 3-Methyl-2-pentene
3. 4-Methyl-pentene
4. 3-Methyl-1-pentene
Subtopic: Stereo Isomers |
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Following types of compounds (as I, II) are studied in terms of isomerism in:
| (I) | CH3CH=CHCH3 |
| (II) |  |
1. Chain isomerism
2. Position isomerism
3. Conformers
4. Stereisomerism
Subtopic: Stereo Isomers |
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How many of the following compounds are optically active?
1. Zero
2. (I), (II), (III)
3. (IV), (III), (V)
4. (II), (III)
| (I) | \(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Cl} \) |
| (II) | \(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH} \) |
| (III) |  |
| (IV) |  |
| (V) |  |
1. Zero
2. (I), (II), (III)
3. (IV), (III), (V)
4. (II), (III)
Subtopic: Stereo Isomers |
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The absolute configuration of the given compound is :
1. (2R, 3S)
2. (2S, 3R)
3. (2S, 3S)
4. (2R, 3R)
Subtopic: Stereo Isomers |
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The alkene that exhibits geometrical isomerism is :
1. Propene
2. 2-methyl propene
3. 2-butene
4. 2-methyl-2- butene
Subtopic: Stereo Isomers |
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The number of stereoisomers possible for a compound of the molecular formula CH3–CH=CH–CH(OH)–CH3 is :
1. 3
2. 2
3. 4
4. 6
Subtopic: Stereo Isomers |
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is:Subtopic: Stereo Isomers |
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Determine the total number of isomers, including stereoisomers, for dimethyl cyclopentane:
| 1. | Seven (7) | 2. | Nine (9) |
| 3. | Six (6) | 4. | Five (5) |
Subtopic: Stereo Isomers |
Level 3: 35%-60%
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How many stereoisomers are possible for the following structure?
| 1. | 4 (Four) | 2. | 2 (Two) |
| 3. | 1 (One) | 4. | 8 (Eight) |
Subtopic: Stereo Isomers |
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Given below are two statements:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: |  is optically active. |
| Statement II: |  is mirror image of above compound A. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Stereo Isomers |
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