Geometrical isomerism is caused:

1. by restricted rotation around C=C bond

2. by the presence of one asymmetric carbon atom

3. due to the different groups attached to the same functional group

4. by swing of hydrogen atom between two polyvalent atoms.

Subtopic:  Stereo Isomers |
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Which of the following is optically active?

(1) Alanine

(2) 2-butanol

(3) Lactic acid

(4) All of these

Subtopic:  Stereo Isomers |
 87%
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Benzaldoxime exists in how many forms?

1. 1

2. 2

3. 3

4. 4

Subtopic:  Stereo Isomers |
 74%
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Nitroethane can exhibit one of the following kind of isomerism:

1. metamerism              2. optical activity

3. tautomerism              4. position isomerism

Subtopic:  Structural Isomers |
 67%
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Which type of strain is present in fully eclipsed conformation of butane?

(1) Angle strain            

(2) Steric strain

(3) Both (a) and (b)         

(4) Neither (a) and (b)

Subtopic:  Conformational Isomers |
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Number of possible isomers of glucose are:

1. 10

2. 14

3. 16

4. 20

 

 

Subtopic:  Stereo Isomers |
 64%
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Only two isomeric monochloro derivatives are possible for:

(1) n-butane

(2) 2,4-dimethylpentane

(3) benzene

(4) 2-methylbutane

 

Subtopic:  Structural Isomers |
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Isomerism among compounds due to migration of a proton is known as:

1. geometrical        2. optical

3. tautomerism       4. position

Subtopic:  Structural Isomers |
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Hydrogen cyanide and hydrogen isocyanide are:

1. tautomers

2. positional isomers

3. metamers

4. chain isomers

Subtopic:  Structural Isomers |
 53%
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The maximum number of stereoisomers possible for 3-hydroxy-2-methyl butanoic acid is/are :

1. 1               

2. 2

3. 3               

4. 4

Subtopic:  Stereo Isomers |
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