Only two isomeric monochloro derivatives are possible for:

(1) n-butane

(2) 2,4-dimethylpentane

(3) benzene

(4) 2-methylbutane

Subtopic:  Structural Isomers |
 67%
From NCERT
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Keto-enol tautomerism is observed in :

1. 

2. 

3. 

4. None of the above

Subtopic:  Structural Isomers |
 75%
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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 |
 89%
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The number of different amines corresponding to the formula C3H9N is:

1. 2

2. 3

3. 4

4. 5

Subtopic:  Structural Isomers |
From NCERT
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 Alkyl cyanide \(R-C \equiv N\) and alkyl isocyanides \(R- \overset{+}{N} \equiv C^-\) are: 

1. Tautomers 2. Metamers
3. Functional isomers 4.  Geometrical isomers
Subtopic:  Structural Isomers |
 77%
From NCERT
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Hydrogen cyanide and hydrogen isocyanide are:

1. tautomers

2. positional isomers

3. metamers

4. chain isomers

Subtopic:  Structural Isomers |
 52%
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The non-staggered form(s) of ethane among the following is-

1. 2.
3. 4. None of these

Subtopic:  Conformational Isomers |
 84%
From NCERT
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The optically active compound among the following is-

1. Glycerine 2. Acetaldehyde
3. Glyceraldehyde 4. Acetone
Subtopic:  Stereo Isomers |
 61%
From NCERT
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Which of the following acids shows stereoisomerism?

1. Oxalic acid            

2. Tartaric acid

3. Acetic acid            

4. Formic acid

Subtopic:  Stereo Isomers |
 76%
From NCERT
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A racemic mixture is a mixture of:

1. meso and its isomers

2. d- and its l-isomers in equal proportions

3. d- and l-isomers in different proportions

4. meso and d-isomers

Subtopic:  Stereo Isomers |
 88%
From NCERT
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