IUPAC name of  is-

1. 5-Methylhexanol           

2. 2-Methylhexanol          

3. 2-Methylhex-3-enol       

4. 4-Methylpent-2-enol     

The IUPAC name of the given compound is:

1. 4-Butylpenta-2,4-dienal
2. 5-Vinyloct-3-en-1-al
3. 5-Vinyloct-5-en-8-al
4. 3-Butyl-1,4-hexadien-6-al

Which of the following species exhibits paramagnetism?

The structure of cis-bis (propenyl) ethene is:

1. 

2. 

3. 

4. 

But-2-ene exhibits cis-trans-isomerism due to

1. rotation around C₂-C₃ double bond

2. rotation around C₃-C₄ sigma bond

3. rotation around C₁-C₂ bond

4. restricted rotation around C=C bond

If optical rotation produced by the compound (i) is +52° then that produced by that the compound (ii) is:

1. -52°

2. +52°

3. 0°

4. unpredictable

Number of monochlorinated products (excluding stereo-isomers) obtained from the given reaction are :

Which of the following pairs are enantiomers?                

1. 

2. 

3. 

4. 

How many structural isomers are possible for the compound having molecular formula C₃H₅Br₃?

1. 5                   

2. 4

3. 6                   

4. 8

In the following, the most stable conformation of n-butane is                

1.

2. 

3. 

4.