Which one of the following pairs represents stereoisomerism?                                     

1. Chain isomerism and rotational isomerism

2. Structural isomerism and geometrical isomerism

3. Linkage isomerism and geometrical isomerism

4. Optical isomerism and geometrical isomerism

Subtopic:  Stereo Isomers |
 86%
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A racemic mixture is formed by mixing two:

1. Isomeric compounds             

2. Chiral compounds

3. Meso compounds                       

4. Enantiomers

Subtopic:  Stereo Isomers |
 64%
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A compound of molecular formula C7H16 shows optical isomerism, the compound will be

1. 2,3-dimethyl pentane 

2. 2,2-dimethyl butane 

3. 2-methyl hexane 

4. None of the above

Subtopic:  Stereo Isomers |
 65%
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Which of the following has an asymmetric carbon atom?

1. 

2. 

3. 

4. 

Subtopic:  Stereo Isomers |
 72%
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Stereoisomers (geometrical or optical) that are neither superimposable nor a mirror images to each other are called:

1. Enantiomers             

2. Monomers

3. Tautomers               

4. Diastereomers

Subtopic:  Stereo Isomers |
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Which of the following pairs of carbon skeletons is an example of isomerism?

1. 

2. 

3. 

4. 

Subtopic:  Structural Isomers |
 85%
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Number of isomers possible for C4H8 are-

1. 4     

2. 3       

3. 2     

4. 6

Subtopic:  Structural Isomers |
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The dihedral angle between the hydrogen atoms of two methyl groups in staggered conformation of ethane is:

1. 120° 

2. 180°

3. 90° 

4. 60°

Subtopic:  Conformational Isomers |
 70%
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Which of the following acid does not exhibit optical isomerism?

1. Maleic acid                           
2. α-amino acid

3. Lactic acid                             
4. Tartaric acid                             

Subtopic:  Stereo Isomers |
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The prefix used for -SH group as per the IUPAC system is-

1. Mercapto

2. Thiol

3. Sulfide

4. None of the above

Subtopic:  Nomenclature |
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