Select the correct option:-

​      

1. resonating structures

2. tautomers

3. geometrical isomers

4. optical isomers

Subtopic:  Electron Displacement Effects |
 75%
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Which of the following compounds is not chiral ?

1. DCH2CH2CH2Cl

2. CH3CH2CHDCl

3. CH3CHDCH2Cl

4. CH3CHClCH2D

Subtopic:  Stereo Isomers |
 73%
From NCERT
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A pair that represents chain isomer is -

1. CH3CHCl2 and ClCH2CH2Cl

2. Propyl alcohol and Isopropyl alcohol

3. 2-Methylbutane and Neopentane

4. Diethyl ether and Dipropylether

Subtopic:  Structural Isomers |
 60%
From NCERT
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Number of monochlorinated products (excluding stereo-isomers) obtained from the given reaction are :

                           

1. 4 2. 5
3. 6 4. 7
Subtopic:  Structural Isomers |
From NCERT
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Which of the following pairs are enantiomers?                

1. 

2. 

3. 

4. 

Subtopic:  Stereo Isomers |
 87%
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How many structural isomers are possible for the compound having molecular formula C3H5Br3?

1. 5                   

2. 4

3. 6                   

4. 8

Subtopic:  Structural Isomers |
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Which of the following is an optically active compound?        

1. 1-butanol 

2. 1-propanol

3. 2-chlorobutane 

4. 4-hydroxybutanal

Subtopic:  Stereo Isomers |
 71%
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In the following, the most stable conformation of n-butane is                

1.

2. 

3. 

4. 

Subtopic:  Conformational Isomers |
 86%
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The number of stereo isomers for 3-pentene 2-ol

1. 2 

2. 4 

3. 3 

4. 5

 

Subtopic:  Stereo Isomers |
 66%
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The most stable configuration of n-butane will be                

1. skew boat

2. eclipsed

3. gauche 

4. staggered-anti

Subtopic:  Conformational Isomers |
 72%
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