The number of stereo isomers for 3-pentene 2-ol

1. 2 

2. 4 

3. 3 

4. 5

 

The most stable configuration of n-butane will be                

1. skew boat

2. eclipsed

3. gauche 

4. staggered-anti

The compound having molecular formula C₄H₁₀O can show-

1. Metamerism

2. Functional isomerism 

3. Positional isomerism

4. All of the above

Tautomerism will be exhibited by                 

1. (CH₃)₃CNO               

2. (CH₃)₂NH

3. R₃CNO₂                   

4. RCH₂NO₂

The total number of structural isomers is possible for C₅H₁₁Cl is :

1. 6 

2. 8

3. 10 

4. 12

 Which of the following compounds will exhibit cis-trans (geometrical) isomerism?

1. but-2-ene                             

2. Butanol

3. but-2-yne                             

4. buten-2-ol   

Find the number of possible aromatic isomers with molecular formula C₇H₈O.
1. Three (3)
2. Five (5)
3. Seven (7)
4. Nine (9)

Which of the following will not show cis-trans-isomerism?                           

1. CH₃-CH=CH-CH₃

2. CH₃-CH₂-CH=CH-CH₂-CH₃

3. ${\mathrm{CH}}_3-\underset{|}{\mathrm{C}}=\mathrm{CH}-{\mathrm{CH}}_2-{\mathrm{CH}}_3$
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4.${\mathrm{CH}}_3-\underset{|}{\mathrm{C}}\mathrm{H}-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_2-{\mathrm{CH}}_3$
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An alkane can form Structural isomers if the number of carbon atoms is :

1. From 1 carbon atom onwards                              

2. $From\; 3\; carbon\; atoms\; onwards$

3. From 2 carbon atoms onwards                                 

4. $From\; 4\; carbon\; atoms\; onwards$

Isomerism exhibited by acetic acid and methyl formate is:
1. Functional
2. Chain
3. Geometrical
4. Central