Which of the following has an asymmetric carbon atom?

1. 

2. 

3. 

4. 

Subtopic:  Stereo Isomers |
 73%
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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 |
 72%
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Diastereomers can be separated by:

1. Recrystallization            

2. simple distillation

3. electrophoresis                     

4. all of these

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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The number of isomeric structures for C2H7N would be:

1. 4 

2. 3

3. 2 

4. 1

Subtopic:  Structural Isomers |
 59%
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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 |
 69%
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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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The chirality of the compound                           

1. R 

2.  S

3. Z 

4. E

Subtopic:  Stereo Isomers |
 66%
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